Juniper Junos User Manual

Juniper Junos User Manual

Release

Notes

Published

2021-04-07

Junos® OS Release 21.1R1 for the ACX Series, cRPD, cSRX, EX Series, JRR Series, Juniper Secure Connect, Junos Fusion, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, vMX, vRR, and vSRX

KEY FEATURES

Refer to Key Features in Junos OS Release 21.1 to quickly learn about the most important Junos OS features and how you can deploy them in your network.

SOFTWARE HIGHLIGHTS

Support for c n

r n m

independent IGP instances of IS-IS (ACX Series, MX Series, and PTX Series)

Support for fl x b

algorithm in OSPFv2 for segment r n r c engineering (ACX Series, MX Series, and PTX Series)

Support for strict SPF and IGP shortcut (ACX710, MX960, MX10008, MX2020, PTX5000, and PTX1000)

New transport class-based architecture to facilitate service mapping over colored tunnels (ACX Series, PTX Series, MX Series)

Support for BGP MVPN (Junos fusion for provider edge)

Support for EVPN-MPLS (Junos fusion for provider edge)

Support for interprovider and carrier-of-carrier VPNs (Junos fusion for provider edge)

Next Gen Services (MX240, MX480, and MX960 with MX-SPC3)

MVPN live-live s

n support (MX Series)

IS-IS link delay measurement and v r s n (MX Series)

Support for BGP Auto-discovered Neighbor (MX Series, PTX1000, PTX10008, QFX5120-32C, QFX5200, QFX5210, and QFX10008)

Support for displaying the m s m in syslog (MX Series routers with MS-MPC, MS-MIC, and MX-SPC3)

Support for PWHT (over EVPN-VPWS, on a transport logical interface) with subscriber management (BNG) service logical interfaces (MX Series)

Support to view the s ftw r

package ns

n or n ns

n status (MX480, MX960, MX2010, MX2020,

 

SRX1500, SRX4100, SRX4400, SRX4600, SRX5400, SRX5600, SRX5800, vMX, and vSRX)

Support for VRRP (PTX1000, PTX10002, PTX10008, and PTX10016)

Support for m cr s

m n

 

n on VLANs and VXLANs (QFX5110 and QFX5120)

EVPN-VXLAN tunnel ns

c

n (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, SRX5800, and vSRX)

LLDP on routed and reth interfaces (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, and SRX5800)

Policy-based threat

r

n

(SRX Series devices and vSRX)

 

r c selector enhancements (SRX Series)

Security policy enhancement for EVPN-VXLAN tunnel (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, SRX5800, and vSRX)

Enhanced monitoring and r b s

n of the fl w session (SRX Series)

Support for Snort IPS signatures (SRX Series and NFX Series)

Packet-based ECMP support for Express Path (SRX5400, SRX5600, and SRX5800)

Juniper Agile Licensing Support (vSRX)

HARDWARE HIGHLIGHTS

New EX4400 Switch for Large Branch

c s Campus Wiring Closets, and Data Centers

Features Supported on MPC10E and MPC11E on MX Series Routers

Support for JNP-100G-DAC-1M, JNP-100G-DAC-3M, and JNP-100G-DAC-5M DACs (QFX10002-60C)

Support for the JNP-QSFP-100G-BXSR and the JNP-QSFP-40G-BXSR b r c n transceivers

Day One+

Use this new setup tool to get your Junos OS up and running in three quick steps.

iii

Table of Contents

n r c n | 1

Key Features in Junos OS Release 21.1 | 1

Junos OS Release Notes for ACX Series

What's New | 8

What's New in 21.1R1 | 8

EVPN | 8

MPLS | 9

Network Management and Monitoring | 10

Rn Protocols | 10

Segment R n | 11

What's Changed | 11

What’s Changed in Release 21.1R1 | 12

Known L m ns | 14

Open Issues | 15

Resolved Issues | 16

Resolved Issues: 21.1R1 | 17

c m n n Updates | 19

M r n Upgrade, and Downgrade ns r c ns | 19

Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life

Releases | 20

Junos OS Release Notes for cRPD

What's New | 21

What's New in 21.1R1 | 21

rm and Infrastructure | 21

What's Changed | 23

What’s Changed in Release 21.1R1 | 23

iv

Known L m

ns | 23

Open Issues | 24

Resolved Issues | 24

Resolved Issues: 21.1R1 | 24

Junos OS Release Notes for cSRX

What's New | 25

What's New in 21.1R1 | 25

n c n and Access Control | 26

What's Changed | 26

What’s Changed in Release 21.1R1 | 26

Known L m

ns | 26

Open Issues | 26

Resolved Issues | 27

Resolved Issues: 21.1R1 | 27

Junos OS Release Notes for EX Series

What's New | 28

What's New in 21.1R1 | 28

Hardware | 29

 

n c

n and Access Control | 41

EVPN | 42

 

Forwarding

ns | 44

High Availability

| 45

Licensing | 45

 

Network Management and Monitoring | 57

S ftw r

ns

n and Upgrade | 58

What's Changed | 59

What’s Changed in Release 21.1R1 | 59

Known L m

ns | 61

Open Issues | 62

v

Resolved Issues | 64

Resolved Issues: 21.1R1 | 64

M r n Upgrade, and Downgrade ns r c ns | 67

Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases | 67

Junos OS Release Notes for JRR Series

What's New | 68

What's New in 21.1R1 | 69

Rn Protocols | 69

What's Changed | 69

What’s Changed in Release 21.1R1 | 69

Known L m

ns | 70

Open Issues | 70

Resolved Issues | 70

Resolved Issues: 21.1R1 | 70

M r n Upgrade, and Downgrade ns r c ns | 71

Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases | 71

Junos OS Release Notes for Juniper Secure Connect

What's New | 72

What's New in 21.1R1 | 73

What's Changed | 73

What’s Changed in Release 21.1R1 | 73

Known L m

ns | 73

Open Issues | 73

Resolved Issues | 74

Resolved Issues: 21.1R1 | 74

Junos OS Release Notes for Junos Fusion for Enterprise

vi

What's New | 75

What's New in 21.1R1 | 75

What's Changed | 75

What’s Changed in Release 21.1R1 | 75

Known L m ns | 76

Open Issues | 76

Resolved Issues | 76

Resolved Issues: 21.1R1 | 76

M r n Upgrade, and Downgrade ns r c ns | 77

Junos OS Release Notes for Junos Fusion for Provider Edge

What's New | 83

What's New in 21.1R1 | 83

EVPN | 84

VPNs | 84

What's Changed | 84

What’s Changed in Release 21.1R1 | 85

Known L m

ns | 85

Open Issues | 85

Resolved Issues | 85

Resolved Issues: 21.1R1 | 86

M r n Upgrade, and Downgrade ns r c ns | 86

Junos OS Release Notes for MX Series

What's New | 95

What's New in 21.1R1 | 96

Hardware | 96

Dynamic Host C n r n Protocol | 101

EVPN | 101

Interfaces | 102

vii

Junos Telemetry Interface | 102

MPLS | 105

Mc s | 105

Network Management and Monitoring | 106

nC n | 108

rm and Infrastructure | 109

Port Security | 112

Rn Protocols | 112

Segment R

n

| 113

Services

c

ns | 114

S

ftw r

 

n

Networking (SDN) | 115

S

ftw r

ns

 

n and Upgrade | 116

Subscriber Management and Services | 117

What's Changed | 117

What’s Changed in Release 21.1R1 | 117

Known L m

ns | 121

Open Issues | 124

Resolved Issues | 132

Resolved Issues: 21.1R1 | 133

M r n Upgrade, and Downgrade ns r c ns | 149

Junos OS Release Notes for NFX Series

What's New | 157

What's New in 21.1R1 | 157

c

n n

c

n (AppID) | 157

Architecture | 158

 

 

Flow-Based and Packet-Based Processing | 158

Intrusion

c

n and

r v

n n | 159

rm and Infrastructure |

160

What's Changed | 160

What’s Changed in Release 21.1R1 | 161

Known L m

ns | 161

viii

Open Issues | 161

Resolved Issues | 163

Resolved Issues: 21.1R1 | 163

M r n Upgrade, and Downgrade ns r c ns | 164

Junos OS Release Notes for PTX Series

What's New | 167

What's New in 21.1R1 | 167

High Availability | 168

MPLS | 168

Network Management and Monitoring | 169

Rn Protocols | 169

Segment R

n

| 170

Services

c

ns | 171

What's Changed | 171

What’s Changed in Release 21.1R1 | 171

Known L m

ns | 173

Open Issues | 174

Resolved Issues | 176

Resolved Issues: 21.1R1 | 176

M r n Upgrade, and Downgrade ns r c ns | 179

Junos OS Release Notes for QFX Series

What's New | 184

Hardware | 184

n c n and Access Control | 185

EVPN | 185

Interfaces | 186

IP Tunneling | 186

Junos Telemetry Interface | 186

ix

Layer 2 Features | 187

MPLS | 187

Mc s | 188

Network Management and Monitoring | 188

rm and Infrastructure | 189

R n

Policy and Firewall Filters | 189

S ftw r

ns

n and Upgrade | 190

What's Changed | 191

What’s Changed in Release 21.1R1 | 191

Known L m

ns | 193

Open Issues | 195

Resolved Issues | 197

Resolved Issues: 21.1R1 | 198

M r n Upgrade, and Downgrade ns r c ns | 203

Junos OS Release Notes for SRX Series

What's New | 217

c

n n

c

n (AppID) | 218

n c

n and Access Control | 219

Chassis | 219

 

 

Chassis Cluster

| 220

 

Ethernet Switching and Bridging | 220

EVPN | 220

 

 

Flow-Based and Packet-Based Processing | 221

High Availability

| 223

 

Interfaces

| 223

 

 

Intrusion

c

n and

r v n n | 223

x

Juniper Advanced Threat

r v n n Cloud (Juniper ATP Cloud) | 224

Network Management and Monitoring | 225

Securing GTP and SCTP r

c | 227

Services

c ns | 227

S ftw r ns

n and Upgrade | 227

nThreat Management (UTM) | 227

VPNs | 228

What's Changed | 228

What’s Changed in Release 21.1R1 | 229

Known L m

ns | 232

Open Issues | 233

Resolved Issues | 234

Resolved Issues: 21.1R1 | 234

M r n Upgrade, and Downgrade ns r c ns | 239

Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases | 239

Junos OS Release Notes for vMX

What's New | 241

Network Management and Monitoring | 241

S ftw r ns n and Upgrade | 241

What's Changed | 242

What’s Changed in Release 21.1R1 | 242

Known L m

ns | 243

Open Issues | 243

Resolved Issues | 243

Resolved Issues: 21.1R1 | 244

Upgrade ns r c ns | 244

xi

Junos OS Release Notes for vRR

What's New | 245

What's Changed | 245

What’s Changed in Release 21.1R1 | 245

Known L m

ns | 245

Open Issues | 246

Resolved Issues | 246

Resolved Issues: 21.1R1 | 246

Junos OS Release Notes for vSRX

What's New | 247

n

c

n and Access Control | 248

Juniper Advanced Threat r v n n Cloud (Juniper ATP Cloud) | 248

Licensing | 249

Network Management and Monitoring | 251

S ftw r

ns

n and Upgrade | 251

VPNs | 251

What's Changed | 252

What’s Changed in Release 21.1R1 | 252

Known L m

ns | 253

Open Issues | 253

Resolved Issues | 254

Resolved Issues: 21.1R1 | 254

M r n Upgrade, and Downgrade ns r c ns | 255

Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases | 262

Licensing | 263

Finding More n rm n | 263

xii

c m n n Feedback | 264

R q s n Technical Support | 264

Revision History | 266

1

n r c n

Junos OS runs on the following Juniper Networks® hardware: ACX Series, cRPD, cSRX, EX Series, JRRSeries, JuniperSecureConnect,Junos Fusion Enterprise,Junos Fusion ProviderEdge, MX Series, NFXSeries, PTX Series, QFX Series, SRX Series, vMX, vRR, and vSRX.

These release notes accompany Junos OS Release21.1R1for the ACX Series, Containerized R n Protocol Process (cRPD), cSRX Container Firewall (cSRX), EX Series, JRR Series, Juniper Secure Connect, Junos Fusion Enterprise,Junos Fusion Provider Edge, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, virtual MX Series router (vMX), Virtual Route R fl c r (vRR), and vSRX Virtual Firewall

(vSRX).They describe new and changed features, m

ns and known and resolved problems in the

hardware and s ftw r

 

Key Features in Junos OS Release 21.1

Start here to learn about the key features in Junos OS Release 21.1. For more n

rm

n about a

feature, click the link in the feature

scr

n

 

 

 

 

 

• Enhanced monitoring and r

b

s

n

of the fl w session (SRX Series)—S

r n

in Junos OS

Release 21.1R1, we’ve introduced

n

rs to the show security fl w session

r n

command. The

n

rs allow you to generate s

c

outputs in a list so that you can

easily monitor the fl w session. We’ve also introduced the show security fl w session r

y and

show security fl

w session plugins

r

n commands to view detailed n

rm

n about the

fl w session.

 

 

 

 

 

 

 

 

 

 

You can also trace the packet-drop n

rm

n without c

mm

n the c n

r

n using the

monitor security packet-drop

 

r

n command. This command output is displayed on the screen

n

you press Ctrl+c or

n

the security device collects the requested number of packet drops. The

command includes various

rs to generate the output

s per your requirement.

[See show security fl w session, show security fl

w session

r

y, show security fl w session

plugins, and monitor security packet-drop.]

 

 

 

• EVPN-VXLAN tunnel ns

c

n (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, SRX5800, and

vSRX)—S r n in Junos OS Release 21.1R1, we've introduced the following enhancements to the

VXLAN support for SRX Series devices:

 

 

 

Support for SRX5000 line of devices in

n to the SRX4000 line and vSRX

Enhancements to tunnel ns c

n for VXLAN-encapsulated

r c by applying Layer 4 or Layer

 

7 security services to the tunnel

r c The supported services are:

2

c

n n c

n

IDP

 

 

Juniper Advanced Threat r v n n (ATP Cloud)

n threat management (UTM)

Layer 7 security services provide

 

c

n

v

security and protect users from security threats

through VXLAN tunnel.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[See C n

 

r n

Tunnel r

c ns

 

c

n.]

 

 

 

 

 

 

 

 

 

 

 

• IS-IS link delay measurement and

 

v r

s n

(MX Series)—S r

n in Junos OS Release 21.1R1, you

can measure and

 

v r s

various performance metrics in IP networks with scalability, by using

several IS-IS probe messages. These metrics can then be used to make

 

s

c

n decisions

based on network performance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[See How to Enable Link Delay Measurement and

v r

s n in IS-IS, delay-measurement, and

delay-metric.]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• LLDP on routed and reth interfaces (SRX4100, SRX4200, SRX4600, SRX5400, SRX5600, and

SRX5800)—S r

n

in Junos OS Release 21.1R1, you can enable LLDP on all physical interfaces,

including routed and redundant Ethernet (reth) interfaces. LLDP is a link-layer protocol used by

network devices to

v r

s c

b

 

s

n

y and other n

rm

n to a LAN.

 

 

 

[See LLDP Overview.]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• MVPN live-live s

 

n support (MX Series)—S

r n

in Junos OS Release 21.1R1, we’ve added

support to enable the MVPN live-live feature in n x

n r

n m c s

VPN (MVPN) with

 

m

c s

LDP

n

m

n

(P2MP) provider tunnel. This feature helps to keep your network

live all the

m

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To enable the MVPN live-live s

 

n

 

 

 

 

 

 

 

 

 

 

 

 

C n

r

the sender-based-rpf

 

n by running the set r

n

ns

nc

s r

n

ns

nc

 

n m

protocols mvpn sender-based-rpf command. This

n is disabled by default.

 

 

C n

r

the hot-root-standby

 

n by running the set r

n

ns

nc

s r

n

ns

nc

 

n m

protocols mvpn hot-root-standby command. You can c n

r

this

 

n only if sender-

 

based RPF is enabled.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When you enable this c n

r

n the receiving PE

m

c y switches over to the backup path

if it encounters any failure while forwarding the

r

c from the primary path to the customer

network. The r ns

n from primary path to backup path happens in less than 50 milliseconds.

For previous Junos OS releases, we provided support only for RSVP-TE and IR provider tunnels.

[See sender-based-rpf and hot-root-standby.]

3

• New transport class-based architecture to facilitate service mapping over colored tunnels (ACX Series, PTX Series, MX Series)—S r n in Junos OS Release 21.1R1, you can classify colored transport tunnels (RSVP, IS-IS fl x b algorithm) in your network into transport classes and map service routes over an intended transport class. You can also extend the transport tunnels to span across m domains (ASs or IGP areas) by using the new BGP transport address family called BGP Classful Transport (BGP CT).

This feature lays the

n

n for network slicing and allows the

r n

domains to interoperate

rr s

c

v

of the transport signaling protocols used in each domain.

 

 

 

[See

 

s

www

n

r n

c m n

n

s n s ftw r

n s m

s

cs

c m m s

r

c

n

n r n

c n

r

n m

 

vxq 2 b.]

 

 

 

 

• Packet-based ECMP support for Express Path (SRX5400, SRX5600, and SRX5800)—In earlier

releases, Express Path supported only session-based ECMP

r c S r

n

in Junos OS Release

21.1R1, Express Path also supports packet-based ECMP r

c from

r n network processors of

the SRX Series device. In the packet-based ECMP mode, the SPU creates m

 

network processor

sessions on m

network processors at a

m This feature is enabled by default.

[See Express Path.]

• Support for BGP unnumbered neighbor (MX Series, PTX1000, PTX10008, QFX5120-32C, QFX5200,

QFX5210, and QFX10008) —S

r n

in Junos OS Release 21.1R1, we support the BGP unnumbered

neighbor feature using the IPv6 Neighbor Discovery Protocol (NDP). This feature allows BGP to

 

m c

y create peer neighbor sessions using link local IPv6 addresses of directly connected

neighbor routers using IPv6 NDP.

 

 

 

 

• Support for BGP MVPN (Junos fusion for provider edge)—S

r n in Junos OS Release 21.1R1, Junos

fusion for provider edge supports BGP m

c s VPN (MVPN). BGP MVPN is a method for

 

m m n

n

m

r

c m

c s

services over a BGP MPLS Layer 3 VPN. Junos fusion for

provider edge supports the c nn c

n of a BGP-based MVPN customer edge (CE) device on the

extended ports of the satellite device in Junos fusion for provider edge.

 

[See Junos Fusion Provider Edge Supported Protocols.]

 

 

• Support for c

n

r n

m

independent IGP instances of IS-IS (ACX Series, MX Series, and PTX

Series)—S

r

n

in Junos OS Release 21.1R1, you can c n

r and run m

independent IGP

instances of IS-IS simultaneously on a router.

 

 

 

 

 

 

 

NOTE: Junos OS does not support c n

r n the same logical interface in m

IGP

 

instances of IS-IS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[See How to C n r M

Independent IGP Instances of IS-IS.]

4

• Support for displaying the

m s

m in syslog (MX Series routers with MS-MPC, MS-MIC, and MX-

SPC3)—S r

n in Junos OS Release 21.1R1, you can enable system log (syslog)

m s

m

s in local

system

m s m

format or UTC format.

 

 

 

 

 

 

 

 

 

 

 

On routers with MS-MPC, you can override the default UTC

m s

m

to local system m s

m

format by c

n

r n the new statement, sys

c

sys

m

m s

m , at the edit interfaces ms-

interface\ams-interfaces

rv c

s

ns hierarchy level.

 

 

 

 

 

 

 

 

 

On routers with MX-SPC3 cards, you can override the default local system

m s m

in syslog to

UTC format by c

n

r n

the

 

x s n

statement, c

m s

m , at the edit interfaces vms-

 

interface\ams-interfaces

rv c

s

ns hierarchy level or at the [edit services service-set-

 

namesyslog hierarchy level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For the routers with MX-SPC3 cards, s

r n in Release 21.1R1 you can c

n

r the

c

 

 

 

m s

m statement at the edit interfaces vms-interface\ams-interfaces

rv c s

ns hierarchy

level. In earlier releases, we support this statement at the [edit services service-set-namesyslog

hierarchy level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[See syslog (Services Service Set).]

 

 

 

 

 

 

 

 

 

 

 

 

• Support for EVPN-MPLS (Junos fusion for provider edge)—S

 

r n

in Junos OS Release 21.1R1,

Junos fusion for provider edge supports EVPN-MPLS. EVPN-MPLS is a s

n that extends Layer 2

VPN services over an MPLS network. Junos fusion for provider edge supports the c nn c

n of a

customer edge (CE) device on the extended port of the satellite device in an EVPN-MPLS network.

[See Junos Fusion Provider Edge Supported Protocols.]

 

 

 

 

 

 

 

 

 

 

• Support for m cr s

m n

n on VLANs and VXLANs (QFX5110 and QFX5120)—S

r n

in Junos

OS Release 21.1R1, you can c

n

r egress

rs with Layer 2 and Layer 3 match c

n

ns in

both VLAN and VXLAN deployments. Junos OS already supports

r n in Layer 2 match

 

 

c

n

ns in the ingress

r c

 

n

 

 

 

 

 

 

 

 

 

 

 

 

To use egress

rs for m cr s

 

m n

n in a VXLAN, enable the

 

c

r w

 

m z

 

n

statement at the [edit chassis] level of the hierarchy and create the

r w

rules with the match

c

n

ns that you want to

r on. For egress

r n

on VLANs, you don't need to enable

c

 

r w

 

m z n. Both the QFX5110 and QFX5120 support egress

r n for VLANs and

VXLANs, with the following match c n

ns

 

 

 

 

 

 

 

 

 

 

 

ip-source-address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

s n

n

 

r ss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

s

n

n

r

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

s

n

n m c

r ss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

user-vlan-id

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

ip-protocol

source-mac-address

Valid c

ns for these rules are accept, count, and discard.

 

 

[See Overview of Firewall Filters (QFX Series) and Understanding Firewall Filter Match C n

ns.]

• Support for fl x b algorithm in OSPFv2 for segment r

n

r c engineering (ACX Series, MX

Series, and PTX Series)—S

r n in Junos OS Release 21.1R1, you can thin-slice a network by

n n

fl x b algorithms that compute paths using

r n parameters and link constraints based

on your requirements. For example, you can

n a fl x b

algorithm that computes a path to

minimize IGP metric and

n another fl x b

algorithm to compute a path based on r

c

engineering metric to divide the network into separate planes. This feature allows networks without

a controller to c n

r r c engineering and

z

segment r

n capability of a device.

To

n a fl x b

algorithm, include the fl x

r

m statement at the [edit r

n

ns

hierarchy level.

 

 

 

 

 

 

To c n

r a device to

r c

the [edit protocols ospf s

rc

 

in a fl

x b

algorithm, include the fl x

r m statement at

c

r

n

hierarchy level.

 

[See How to C n r Flexible Algorithms in OSPF for Segment R

n

r c Engineering.]

• Support for interprovider and carrier-of-carrier VPNs (Junos fusion for provider edge)—S

r n in

Junos OS Release 21.1R1, Junos fusion for provider edge supports Interprovider and Carrier-of-

Carrier VPNs. The Carrier-of-Carrier VPN service describes a hierarchical VPN (also known as a

recursive VPN) model where one carrier (VPN service customer) transports its VPN

r

c inside

another carrier’s VPN (VPN service provider). Junos fusion for provider edge currently supports

provider edge (PE) routers for VPN service customers. In Junos OS Release 21.1R1, we introduce

support for PE routers for VPN service providers along with VPN service customers.

 

 

Interprovider VPNs provide c nn c v y between

r n service providers that are using separate

autonomous systems (ASs) or one service provider that is using

r n

ASs for

r n

geographic

c

ns For Interprovider VPNs, Junos fusion for provider edge supports only intra-AS c nn c n

on an AS boundary router (ASBR) to the extended port.

 

 

 

 

[See Junos Fusion Provider Edge Supported Protocols.]

• Support for PWHT (over EVPN-VPWS, on a transport logical interface) with subscriber management

(BNG) service logical interfaces (MX Series routers)—S r n

in Junos OS Release 21.1R1, you can

deploy broadband network gateways (BNGs) that are connected to

r

n networks running

EVPN-VPWS. You c n r pseudowire headend rm n

n (PWHT) on a transport logical

interface that is on the pseudowire subscriber interface. The BNG pops the EVPN and VPWS headers and terminates subscribers at Layer 2.

This feature includes support for:

6

All broadband features available on PWHT on MX Series routers

Single-homed EVPN-VPWS with the pseudowire subscriber interface anchored to a logical tunnel (LT) interface

Choice of whether or not to use a control word

• Support for Snort IPS signatures (SRX Series and NFX Series)—S

r n

in Junos OS Release 21.1R1,

Juniper Networks IDP supports Snort IPS signatures. IDP secures your network by using signatures

that help to detect

c s Snort is an open-source intrusion r v

n

n system (IPS). You can

 

convert the Snort IPS rules into Juniper IDP custom

c

signatures using the Juniper n r

n of

Snort Tool (JIST). These rules help detect malicious

c

s

 

 

 

• JIST is included in Junos OS by default. The tool supports Snort version 2 and version 3 rules.

• JIST converts the Snort rules with snort-ids into equivalent custom

c signatures on Junos OS

with r s c v snort-ids as the custom

c names.

 

When you run the request command with Snort IPS rules, JIST generates set commands equivalent to the Snort IPS rules. Use the request security idp jist-conversion command to generate the set commands as CLI output. To load the set commands, use the load set terminal

 

statement or copy and paste the commands in the c n r

n mode, and then commit. You can

 

then c

n r the x s

n IDP policy with the converted custom

c signatures.

All the Snort IPS rule

s that didn’t get converted are wr

n to /tmp/jist-failed.rules. The error

 

log

s generated during the conversion are wr n to /tmp/jist-error.log.

To view the jist-package version, use the show security idp jist-package-version command.

[See Understanding Snort IPS Signatures, request security idp jist-conversion , and show security idp jist-package-version .]

• Support for strict SPF and IGP shortcut (ACX710, MX960, MX10008, MX2020, PTX5000, and

PTX1000)—S r

n

in Junos OS Release 21.1R1, you can c n

r segment r

n algorithm 1

(strict SPF) and

v r

s

its SIDs in IS-IS link-state PDU (LSPDU) and use these SIDs to create SR-TE

tunnels to forward the

r

c by using the shortest IGP path to reach the tunnel endpoint while

avoiding loops. You can also specify a set of

r x s in the import policy, based on which the tunnel

can redirect the

r

c to a certain s n

n You can use algorithm 1 (strict SPF) along with

 

algorithm 0 (default SPF) by default when Source Packet R

n in Networking (SPRING) is enabled.

[See How to Enable Strict SPF SIDs and IGP Shortcut, r x s

m n , and s rc

c

r

n .]

• Support for VRRP (PTX1000, PTX10002, PTX10008, and PTX10016)—S r n in Junos OS Release 21.1R1, PTX1000, PTX10002, PTX10008, and PTX10016 routers support VRRP. However, these routers do not support the following VRRP features:

• VRRP on IRB

7

Dual tagging

GRES

VRRP on logical tunnel (LT) interfaces

Layer 2 VRRP

[See Understanding VRRP.]

 

• Policy-based threat r n

(SRX Series devices and vSRX)—S r n in Junos OS Release 21.1R1,

you can add the user source

n y (username) to a security policy to generate security feeds.

Juniper ATP Cloud service consolidates the generated feeds from SRX Series device and shares the duplicated results back with that security device. The security device uses the feeds to perform

 

c

ns against the designated r c You can enable the security device to use the feeds by

c

n

r n

security policies with the feeds as matching criteria. When r c matches policy

c

n

ns the device applies policy c ns

[See Threat

r

n Support in Security Policy.]

Junos OS Release Notes for ACX Series

IN THIS SECTION

 

 

What's New |

8

 

What's Changed | 11

 

 

Known

m

ns | 14

 

 

Open Issues | 15

 

 

Resolved Issues | 16

 

 

c m n

n Updates | 19

 

 

M r

n Upgrade, and Downgrade ns r c ns | 19

 

 

 

 

 

These release notes accompany Junos OS Release 21.1R1 for the ACX Series. They describe new and changed features, m ns and known and resolved problems in the hardware and s ftw r

You can also

n

these release notes on the Juniper Networks Junos OS

c

m n

n webpage,

located at

s

www n r n

c m n

n r c n S n s

s.

 

 

8

What's New

IN THIS SECTION

What's New in 21.1R1 | 8

Learn about new features introduced in the Junos OS main and maintenance releases for ACX Series routers.

What's New in 21.1R1

IN THIS SECTION

EVPN | 8

MPLS | 9

Network Management and Monitoring | 10

R n Protocols | 10

Segment R n | 11

Learn about new features or enhancements to x s

n features in this release for the ACX Series.

EVPN

 

 

 

 

Support for EVPN E-Tree service (ACX5448)—S

r n

with Junos OS Release 21.1R1, you can

 

c n r an EVPN Ethernet Tree (E-Tree) service on ACX5448 routers.

 

[See EVPN-ETREE Overview.]

 

 

 

Support for inter-DC c nn c v

y over a Layer 3 network (ACX5448)—S r n with Junos OS

 

Release 21.1R1, you can c

n

r the ACX5448 router to support IRB interfaces in an EVPN-MPLS

 

network. This feature supports EVPN Type 2 (MAC/IP

v r s m n ) and EVPN Type 5 (IP r x)

 

routes.

 

 

 

 

 

[See EVPN with IRB S

n Overview.]

 

 

9

• Support for s n

c v

m

m n

redundancy in EVPN-VPWS with fl x b

cross-connect

support (ACX5448)—S

r n

with Junos OS Release 21.1R1, you can c

n

r the interfaces on the

ACX5448 router in an Ethernet VPN–virtual private wire service (EVPN-VPWS) network with

fl x b

cross-connect (FXC) or legacy cross-connect (non-FXC) service to support s n

c v

m

 

m n redundancy for

r

c that fl ws from customer edge devices to the core. EVPN-VPWS

also supports load balancing with equal-cost m

(ECMP) fast reroutes (FRR) on IGP and over

BGP m

s that face the core.

 

 

 

 

 

 

 

 

 

 

[See Overview of Flexible Cross-Connect Support on VPWS with EVPN and C n

r n

EVPN

c

v

S n by M

m n .]

 

 

 

 

 

 

 

 

 

 

 

• Tunnel endpoint in the PMSI tunnel

r b

for EVPN Type 3 routes (ACX5448, EX4600,

EX4650, EX9200, and QFX10002)—S

r n in Junos OS Release 21.1R1, you can set the tunnel

endpoint in the provider m

c s

service interface (PMSI) tunnel

 

r b

 

 

to use the ingress

router’s secondary loopback address. When you c

n r m

 

loopback IP addresses on the

local provider edge (PE) router and the primary router ID is not part of the MPLS network, the

remote PE router cannot set up a PMSI tunnel route back to the ingress router.

 

 

 

To c

n

r the router to use a secondary IP address that is part of the MPLS network, include the

pmsi-tunnel-endpointpmsi-tunnel-endpoint statement at the [edit r

 

n

ns

nc

s r

n

ns

nc

n m

protocols evpn] hierarchy level for both EVPN and virtual-switch instance types.

[See EVPN.]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Aliasing for

c v m

 

m n with EVPN-MPLS (ACX5448)—S

r

n in Junos OS Release

21.1R1, ACX5448 routers support aliasing for EVPN-MPLS

c

v

m

 

m n with ELAN

services. Aliasing enables remote provider edge (PE) devices to load balance Layer 2

r

c toward a

m

 

m customer edge (CE) device among the PEs that have the same EVPN segment ID (ESI)

for that CE device.

 

 

 

 

 

 

 

 

 

 

 

 

 

You enable aliasing when you c n

r

the load-balance per-packet r

n

policy statement at the

[edit

cy

ns policy-statement] hierarchy and export the policy statement at the [edit

r

n

ns forwarding-table] hierarchy. This feature is supported in r

n

instances of type

evpn with VLAN-based and VLAN bundle services.

 

 

 

 

 

 

 

 

[See EVPN M

m n

Overview.]

 

 

 

 

 

 

 

 

 

 

MPLS

• New transport class-based architecture to facilitate service mapping over colored tunnels (ACX Series, PTX Series, MX Series)—S r n in Junos OS Release 21.1R1, you can classify colored transport tunnels (RSVP, IS-IS fl x b algorithm) in your network into transport classes and map service routes over an intended transport class. You can also extend the transport tunnels to span across m domains (ASs or IGP areas) by using the new BGP transport address family called BGP Classful Transport (BGP CT).

10

This feature lays the

n

n for network slicing and allows the

r n domains to interoperate

rr

s

c v

of the transport signaling protocols used in each domain.

 

 

 

 

 

[See

s

www

n

r n

c m n

n

s

n s ftw r

 

n s m

s

cs

c m m

s

r

c

n

n r n

c n

r

n

m

vxq 2 b.]

 

 

 

 

 

 

 

Network Management and Monitoring

 

 

 

 

 

 

 

 

 

 

r

n command RPCs support returning JSON and XML output in m n

 

format in

 

NETCONF sessions (ACX1000, ACX1100, ACX2100, ACX4000, ACX5048, ACX5096, ACX5448,

EX2300, EX2500, EX3400, EX4300, EX4400-24P, EX4400-24T, EX4400-48F, EX4400-48P,

 

EX4400-48T, EX4600, EX4650, EX9200, MX104, MX204, MX240, MX480, MX960, MX2008,

 

MX2010, MX2020, MX10003, MX10008, MX10016, PTX1000, PTX5000, PTX10001, PTX10002,

PTX10008, PTX10016, QFX5100, QFX5110, QFX5120, QFX5200, QFX5210, QFX10002,

 

QFX10002-60C, QFX10008, QFX10016, SRX550, SRX4100, SRX4200, SRX4600, SRX5400,

 

SRX5600, SRX5800, vMX, and vSRX)—S

r n

in Junos OS Release 21.1R1,

r

n

command

RPCs, including the

 

c n

r

n

RPC, support the

rm

s n m n

 

and

rm

xm

m n

 

r b s in NETCONF sessions to return JSON or XML output in m n

format. M n

format removes any characters that are not required for computer processing—for example,

 

unnecessary spaces, tabs, and newlines. M n

 

format decreases the size of the data, and as a

 

result, can reduce transport costs as well as data delivery and processing m

s

 

 

 

[See Specifying the Output Format for

r

n

n rm

n Requests in a NETCONF Session.]

Rn Protocols

Support for c

n

 

r n

m

independent IGP instances of IS-IS (ACX Series, MX Series, and PTX

 

Series)—S r

n

in Junos OS Release 21.1R1, you can c

n

r and run m

independent IGP

 

instances of IS-IS simultaneously on a router.

 

 

 

 

 

 

 

 

 

 

 

NOTE: Junos OS does not support c

n

r n the same logical interface in m

IGP

 

instances of IS-IS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[See How to C

n

r

M

Independent IGP Instances of IS-IS.]

 

 

 

Support for fl

x b

algorithms in IS-IS for segment r

n – r

c engineering (SR-TE) (ACX Series)—

 

S r n in Junos OS Release 21.1R1, you can thin-slice a network by

n n

fl x b

algorithms that

 

compute paths using

r n parameters and link constraints based on your requirements. For

 

example, you can

n

a fl x b

algorithm that computes a path to minimize the IGP metric and

 

another fl x b

algorithm to compute a path based on the r

c engineering metric to divide the

 

network into separate planes. This feature enables networks without a controller to c

n r r c

 

engineering and

z

the segment r

n

capability of a device.

 

 

 

11

To

n

a fl x b

algorithm, include the fl

x

r m statement at the [edit r

n

ns

hierarchy level. To c n

r a device to r

c

in a fl

x b

algorithm, include the fl x

r m

statement at the [edit protocols isis segment r

n hierarchy level.

 

 

[See Understanding IS-IS Flexible Algorithm for Segment R

n .]

 

 

Segment R

n

 

 

 

 

 

 

 

 

• Support for fl x b

algorithm in OSPFv2 for segment r

n

r c engineering (ACX Series, MX

Series, and PTX Series)—S

r n in Junos OS Release 21.1R1, you can thin-slice a network by

 

n n

fl x b algorithms that compute paths using

r n

parameters and link constraints based

on your requirements. For example, you can

 

n a fl x b algorithm that computes a path to

minimize IGP metric and

n another fl x b

algorithm to compute a path based on r

c

engineering metric to divide the network into separate planes. This feature allows networks without

a controller to c n

r r c engineering and

z

segment r

n capability of a device.

To

n a fl x b

algorithm, include the fl x

r

m statement at the [edit r

n

ns

hierarchy level.

 

 

 

 

 

 

To c n

r a device to

r c

the [edit protocols ospf s

rc

 

in a fl

x b

algorithm, include the fl x

r m statement at

c

r

n

hierarchy level.

 

[See How to C n

 

r Flexible Algorithms in OSPF for Segment R

n r

c Engineering.]

 

• Support for strict SPF and IGP shortcut (ACX710, MX960, MX10008, MX2020, PTX5000, and

PTX1000)—S r

n

in Junos OS Release 21.1R1, you can c n

r

segment r

n

algorithm 1

(strict SPF) and

v r

s

its SIDs in IS-IS link-state PDU (LSPDU) and use these SIDs to create SR-TE

tunnels to forward the

r

c by using the shortest IGP path to reach the tunnel endpoint while

avoiding loops. You can also specify a set of

r x s in the import policy, based on which the tunnel

can redirect the

r

c to a certain s n

n You can use algorithm 1 (strict SPF) along with

 

algorithm 0 (default SPF) by default when Source Packet R

n in Networking (SPRING) is enabled.

[See How to Enable Strict SPF SIDs and IGP Shortcut, r x s

m n , and s

rc

c

r

n .]

What's Changed

IN THIS SECTION

What’s Changed in Release 21.1R1 | 12

12

Learn about what changed in the Junos OS main and maintenance releases for ACX Series routers.

What’s Changed in Release 21.1R1

IN THIS SECTION

General R n | 12

Junos XML API and Scr n | 12

Network Management and Monitoring | 13

User Interface and C n r n | 13

General R

n

 

Support for unicast ARP request on table entry x r n—You can c n r

the device to send a

unicast ARP request instead of the default broadcast request when an ARP table entry is about to

expire. The retry requests are unicast at intervals of 5 seconds. Without this

n the retry requests

are broadcast at intervals of 800 milliseconds. This behavior reduces ARP overall broadcast r c It also supports the use case where access nodes are c n r not to forward broadcast ARP requests toward customer CPEs for security reasons and to instead translate ARP broadcasts to unicast requests.

To c n rm whether this is c n r you can issue the following command: show c n r

n system

arp | grep unicast-mode-on-expire.

 

[See arp.]

 

Junos XML API and Scr

n

 

 

 

The jcs:invoke()

nc

n supports suppression of root login and logout events in system log

s for

 

SLAX commit scripts (ACX Series, EX Series, MX Series, PTX Series, QFX Series, and SRX Series)—

 

The jcs:invoke() extension

nc

n supports the no-login-logout parameter in SLAX commit scripts.

 

If you include the parameter, the

nc n does not generate and log UI_LOGIN_EVENT and

 

 

UI_LOGOUT_EVENT messages when the script logs in as root to execute the s c

remote

 

 

procedure call (RPC). If you omit the parameter, the nc n behaves as in earlier Junos OS releases

 

in which the root UI_LOGIN_EVENT and UI_LOGOUT_EVENT messages are included in system log

 

s

 

 

 

 

 

 

 

[See invoke() F nc

 

n (SLAX and XSLT).]

 

 

The jcs:invoke()

nc

n supports suppression of root login and logout events in system log

s for

 

SLAX event scripts (ACX Series, EX Series, MX Series, PTX Series, QFX Series, and SRX Series)—The

13

jcs:invoke() extension nc

n supports the no-login-logout parameter in SLAX event scripts. If you

include the parameter, the

nc n does not generate and log UI_LOGIN_EVENT and

 

UI_LOGOUT_EVENT messages when the script logs in as root to execute the s c

remote

procedure call (RPC). If you omit the parameter, the

nc

n behaves as in earlier releases in which

the root UI_LOGIN_EVENT and UI_LOGOUT_EVENT messages are included in system log s

[See invoke() F nc

n (SLAX and XSLT).]

 

 

 

• Python 2.7

r c

n (ACX Series, EX Series, MX Series, PTX Series, QFX Series, SRX Series, vMX,

and vSRX)—S

r n

in Junos OS Release 21.1R1, devices running Junos OS no longer support

Python 2.7. We've deprecated the corresponding language python statement at the [edit system

scripts] hierarchy level. To execute Python scripts, c

n

r the language python3 statement at the

[edit system scripts] hierarchy level to execute the scripts using Python 3.

 

[See Understanding Python

m n Scripts for Devices Running Junos OS.]

 

Network Management and Monitoring

• Support for specifying the YANG modules to

v r s

in the NETCONF c b

s and supported

schema list (ACX Series, EX Series, MX Series, PTX Series, QFX Series, and SRX Series)—You can

c

n

r devices to

v r s third-party, standard, and Junos OS n v YANG modules in the

c

b

s exchange of a NETCONF session by c n

r n the appropriate statements at the [edit

system services netconf hello-message y n

m

c b

s hierarchy level. In

n you

can specify the YANG schemas that the NETCONF server should include in its list of supported

schemas by c

n

r n

the appropriate statements at the [edit system services netconf netconf-

monitoring netconf-state-schemas] hierarchy level.

 

 

 

 

[See hello-message and netconf-monitoring.]

 

 

 

 

 

• Support for

sc

nn c

n unresponsive NETCONF-over-SSH clients (ACX Series, EX Series, MX

Series, NFX Series, PTX Series, QFX Series, SRX Series, vMX, and vSRX)—You can enable devices to m c y disconnect unresponsive NETCONF-over-SSH clients by c n r n the client-alive- interval and client-alive-count-max statements at the [edit system services netconf ssh] hierarchy level. The client-alive-interval statement s c s the m interval in seconds, ft r which, if no data has been received from the client, the device requests a response. The client-alive-count-max

statement s c s the threshold of missed client-alive responses that triggers the device to

disconnect the client, thereby

rm n n the NETCONF session.

[See ssh (NETCONF).]

 

 

User Interface and n

r

n

Verbose format n to export JSON c n r n data (ACX Series, EX Series, MX Series, PTX Series, QFX Series, and SRX Series)—The Junos OS CLI exposes the verbose statement at the [edit system

14

export-format json] hierarchy level. We changed the default format to export c n

r

n data in

JSON from verbose to

s

r n

in Junos OS Release 16.1R1. You can explicitly specify the default

export format for JSON c

n

r

n data by c n

r n the appropriate statement at the [edit system

export-format json] hierarchy level. Although the verbose statement is exposed in the Junos OS CLI as

of the current release, you can c n

r this statement s r n in Junos OS Release 16.1R1.

[See export-format.]

 

Known L m ns

IN THIS SECTION

General R n | 14

Learn about known m ns in this release for ACX Series routers.

For the most complete and latest n rm online Junos Problem Report Search

n about known Junos OS defects, use the Juniper Networks

cn

General R n

• On the ACX710 router, the PTP Servo status shows holdover during r ns n between virtual port and PTP. PR1510880

On the ACX710 router, the SyncE to 1PPS transient test results do not meet G.8273.2 SyncE to 1PPS transient metric. PR1522796

On the ACX710 router, T1 or T4 cTE should be tuned closer to two-way CTE. PR1527347

On the ACX5448 router, there is a two-way

m error and CTE for 1PPS does not meet the class A

 

metrics. PR1535434

 

On the ACX710 router, changing the PTP r

type from g.8275.1 to g.8275.2 requires the Packet

 

Forwarding Engine to reboot and the clksyncd process to restart. As a workaround, you must reboot

 

the Packet Forwarding Engine and restart the clocking process before you change the r

 

PR1546614

 

15

On the ACX710 router, the clock parameters are incorrect in certain scenarios when the Servo is in the FREERUN state. PR1548192

The ACX5448 router as TWAMP server delays the start session acknowledgment by 10 seconds. PR1556829

On the ACX5048 router, the ISSU upgrade fails due to the Packet Forwarding Engine restart issue . PR1554915

Open Issues

IN THIS SECTION

General R n | 15

Learn about open issues in this release for ACX Series routers.

For the most complete and latest n rm

 

n about known Junos OS defects, use the Juniper Networks

online Junos Problem Report Search

c

n

General R

n

On the ACX5448 router, latency is observed for the host-generated ICMP r c PR1380145

Tx power cannot be c n r using the + sign. PR1383980

The vpls-oam sessions are detected with error (RDI sent by some MEP) ft r changing VLANs. PR1478346

In ZTP DHCP,

n012 or

n host-name does not work as expected. PR1503958

On the ACX710 router, an alarm is not raised when b n the system using the recovery snapshot.

 

PR1517221

 

 

16

• Even though enhanced-ip is c v the following alarm is observed during ISSU:

RE0 network-service mode mismatch between configuration and kernel setting.

PR1546002

In the Layer 3 VPN scenario, the CE device r c drops on ingress PE device while resolving using default route in VRF. PR1551063

On the ACX5448 router, you cannot downgrade to Junos OS Release 18.4 code-base. PR1556377

• On the ACX5048 routers, entry for MAC address from which no r c is seen for MAC age m r does not age out if there is c v r c s n for this MAC address. PR1565642

On the ACX5448 routers, the untagged r c is being incorrectly queued and marked. PR1570899

On the ACX5448 routers, single rate three color policer does not work. PR1559665

On the ACX500 routers, service MIC does not work. PR1569103

Packets might get tagged with the default VLAN-ID and dropped at the peer under Layer 2 circuits local switching scenario. PR1574623

Resolved Issues

IN THIS SECTION

Resolved Issues: 21.1R1 | 17

Learn which issues were resolved in the Junos OS main and maintenance releases for ACX Series routers.

For the most complete and latest n rm

 

n about known Junos OS defects, use the Juniper Networks

online Junos Problem Report Search

c

n

17

Resolved Issues: 21.1R1

IN THIS SECTION

Forwarding and Sampling | 17

General R n | 17

Layer 2 Features | 19

Forwarding and Sampling

• VLAN-ID-based r w match c n ns might not work for the VPLS service. PR1542092

General R

n

Memory

z n enhancement is needed. PR1481151

The ACX1100, ACX2100, ACX2200, ACX2000, and ACX4000 routers might stop forwarding transit

 

and control

r c PR1508534

On the ACX5448 routers, transit DHCP packets drop are observed. PR1517420

On the ACX500-I router, the show services session count command does not work as expected. PR1520305

PTP to 1PPS noise transfer test fails for frequency 1.985 Hz. PR1522666

Interface does not come up with the

n

n s n between the ACX1100 router and the

 

other ACX Series routers, MX Series routers, and QFX Series switches as the other end. PR1523418

• On the ACX710 routers, PIR or CIR Hqos behaviour is inconsistent. PR1525789

With the ACX5448 router with 1000 CFM, the CCM state does not go in the Ok state ft r loading

 

the c n r

n or r s

r n the Packet Forwarding Engine. PR1526626

The l2cpd process might leak memory with the aggregated Ethernet interface fl PR1527853

The FEC

is not displayed when the interface is down. PR1530755

Unable to switch r

between G.8275.1 and G.8275.2. PR1533263

Upon classifying the Layer 3 packets, DSCP is not preserved and is lost at the egress due to the m ns of a chipset. PR1535876

18

The clksyncd process generates core

on Junos OS Release 20.3R1.3 image. PR1537107

The rpd process generates a core

at l2ckt_vc_adv_recv, 2c

v r fl s

(taskptr=0x4363b80,

 

r 0x441 100 rtl=<

m z out>, data=<

m z out>, opcode=<

m z out>)

at ../../../../../../../../../src/junos/usr.sbin/rpd/l2vpn/l2ckt.c:7982. PR1537546

Management Ethernet link down alarm is seen while verifying the system alarms in a Virtual Chassis setup. PR1538674

On the ACX5448 router, the BGPV6LU r c drop is observed when the node is deployed in ingress. PR1538819

On the ACX5448 router, unexpected behavior of the show chassis network-services command is observed. PR1538869

• The following error message is observed while

n the remote stream 0 0 0 0 0 0 along with feb

core

at 0x00ae6484 in bcmdnx_queue_assert (queue=0xc599b60) at ../../../../../src/pfe/

common/drivers/bcmdnx/bcmdnx_sdk_ukern_layer.c:

Err] clksync_mimic_delete_clock_entry Unexpected error.

PR1539953

The announcement or sync r n z n interval rate range is not as expected. PR1542516

Sync r n z n Ethernet goes in the Holdover state and comes back to the Locked state when the

 

PTP c n

r

n is deleted. PR1546681

 

 

The ACX5448 router as transit for the BGP labeled unicast drops

r

c PR1547713

• IP addresses other than IPv4 and IPv6 must not be forwarded. PR1550748

M c s

r

c is stopped when HQoS with m c s c n r

ns is applied. PR1551248

Verifying m

PD sync r n z ns with relay deletes and adds c

n r ns PR1554647

The ARP packets from the CE device are added with VLAN tag if the VLAN-ID is c n r in the

 

EVPN r

n

instance. PR1555679

 

 

On the ACX710 router, the T-BC-P switch-over performance fails beyond the standard mask and servo moves to m Holdover-in state, Acquiring state, and Holdover-out state. PR1556087

On the ACX5448 router, you cannot downgrade to Junos OS Release 18.4 code-base. PR1556377

On the ACX5448 router, the unicast packets from the CE devices might be forwarded by the PE

devices with an

n VLAN tag if IRB is used. PR1559084

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