Extreme Networks B-Series B5, B5G124-24, B5G124-24P2, B5G124-48, B5G124-48P2 Datasheet

DATA SHEET

B-Series B5

Gigabit Ethernet Stackable Edge Switchv

BUSINESS ALIGNMENT

• Aligns network resource utilization
with business goals and priorities

• Reliable network operation for
mission-critical applications

OPERATIONAL EFFICIENCY

• Management automation
capabilities reduce network
operational expenses

• Automatic discovery and
deployment of VoIP services

SECURITY

• Ability to audit network for
adherence to compliance
regulations, such as PCI or HIPAA

• Network resources securely
allocated according to user roles

• Future-proofed with 802.3at
high-power PoE support

• Automatic discovery and deployment of VoIP services

• High-availability stacking assures reliable network operations

• Automated management features reduce operational costs

• Investment protection via comprehensive lifetime warranty

• Network security maintained
concurrently with user mobility

SUPPORT AND SERVICE

• Industry-leading customer
satisfaction and first call resolution
rates

• Personalized services, including
site surveys, network design,
installation, and training

• Comprehensive lifetime
warranty, including feature
upgrades and more

• 1.47 Tbps capacity and 809.5 Mpps

Product Overview

The Extreme Networks B5 is a scalable, high-performance Gigabit Ethernet
switch that provides support for the bandwidth-intensive and latency-sensitive

requirements of today’s demanding business applications. The B5 is an excellent
choice for environments that require complete multi-layer switching capabilities
and support for high density 10/100/1000 Ethernet ports, cost eective10GE

uplinks, dual IPv4/IPv6 management, basic routing and policy-based automation
capabilities for advanced edge deployments.

The B5 incorporates the new 802.3at high-power PoE on all ports, translating into

increased power provisioning for power-hungry devices such as Pan/Tilt/Zoom
(PTZ) IP surveillance cameras, IP videophones, third party 802.11n access points
and virtual desktops. Built-in high-power PoE support is a cost eective alternative

for customers in place of purchasing separate PoE midspans, which can take away
valuable rack space, add cost and contribute more cabling to the wiring closet.

The B5 provides high port density in a 1U footprint and is environmentally friendly

by design. The B5’s overall energy eciency is further enhanced by a low current
draw and an extreme tolerance for high environmental temperatures. A highly­scalable architecture and a comprehensive lifetime warranty ensure that a B5

network investment will sustain a secure, feature-rich and cost-eective network
well into the future.

B-Series – Data Sheet 1

The B5’s highly customizable Layer 2/3/4 packet classification
capabilities work together with the 8 hardware-based priority
queues associated with each Ethernet port to support a suite of
dierentiated services with as many as 8 distinct priority levels

to provide guaranteed Quality of Service (QoS) for critical voice
and video network trac. In conjunction with its non-blocking
L2 switching and L3 routing architecture, the B5’s intelligent

queuing mechanisms ensure that mission-critical applications

receive prioritized access to network resources.

Reliability and Availability

The B5 design incorporates redundancy and failure protection

mechanisms complete with automatic failover and recovery
capabilities to provide a reliable network. An integral power
supply is the primary source of power for the B5 and complete

power redundancy is provided by an optional external power
supply. A virtual switch can be created by interconnecting as

many as eight B5s in a single stack, which can be managed via

a single IP address with redundant management connections.
The B5’s closed-loop stacking capability utilizes bi-directional
switch interconnects to maintain connectivity within the virtual
switch despite any physical failures, which includes switches,
cables and connections. Flexible Link Aggregation Groups (6
groups of 8, 12 groups of 4 or 24 groups of 2) are supported

which allow multiple Ethernet ports (8, 4 or 2) to be grouped

together to create a LAG. A LAG’s Ethernet ports can be
co-located on a single B5 or they can be distributed across

multiple B5s within a stack to prevent a switch-level failure from
disrupting data communications. The B5 also includes Host CPU

Protection support to help prevent Denial of Service (DoS) and

BPDU attacks.

Advanced Quality of Service

Robust Quality of Service (QoS) features enable strong support

for integrated multimedia networks, as well as all types of
data-intensive applications. The B5 is a standards-based
solution optimized for multimedia applications, including VoIP,

videoconferencing and real-time collaboration. The B5 uses

multiple standards-based discovery methods with Extreme

Networks policy capabilities to automatically identify and

provision VoIP services for IP phones from all major vendors. B5
switches provide dynamic mobility for VoIP clients to reduce
operating costs; when an IP phone moves and plugs in elsewhere

in the enterprise network, its VoIP service provisioning, security

and trac priority settings move with it, with no manual

administration required.

Security

IThe B5 enables strong network security by utilizing its

authentication and security features, which can be applied at

the port level or at the user level. Making use of the Extreme

Networks Network Management Suite’s Policy Manager or a
standard CLI, the Extreme Networks role-based architecture

enables a network administrator to define distinct roles or
profiles that represent operational groups within a business
(e.g., employee, executive, guest, etc). Multiple users/devices per
port can be authenticated via IEEE 802.1X, MAC address, or web
authentication, and then assigned a pre-defined operational role.
The B5 now supports increased password security via increased
complexity, history tracking and aging. Passwords can now be
encrypted using a FIPS 1402 approved algorithm.

Administrators can easily transition from RFC 3580 and complex
access control list (ACL) deployments to the Extreme Networks
role-based policy framework in a seamless fashion, without the
need to make changes to their RADIUS infrastructure (e.g., adding
filter-ID). In addition, the B5 also supports ACLs for supplementary
network security. Network operations can be easily tailored to
meet business-oriented requirements by providing each role
with individualized access to network services and applications
(e.g., a guest should have dierent network access privileges
than an employee). Utilizing Extreme Networks role-based policy,
administrators are able to manipulate DSCP and 802.1p rewrite for
classification and prioritization of network trac.

The B5 allows administrators even more network visibility, with
the ability to audit their network for adherence to compliance
regulations, such as PCI or HIPAA. The B5 is able to segment
roles down to group levels, such as supporting a guest access
role, helping to protect corporate applications and information.

Investment Protection

The B5 is a cost-eective, feature-rich, stackable switch that
provides a broad set of features today and will continue to
deliver benefits well into the future. All B-Series products include
a lifetime warranty that includes warranty and support services
for which many competitors charge additional fees – adding up
to 10% of initial deployment costs on an annual basis. Included
benefits, such as advanced hardware return, firmware feature
upgrades (which most vendors cover at most for 90 days)
and telephone support (which most don’t include or severely
limit) combine to significantly decrease operational costs for
customers over the life of their network. For more information
regarding warranty terms and conditions please go to http://

www.ExtremeNetworks.com/support/warranty.aspx.

Performance & Scalability

The B5, with support for 32,000 MAC addresses, provides
scalable, wire-rate performance in support of the bandwidth­intensive and delay-sensitive requirements of today’s demanding
applications. Along with a switch capacity of 184 Gbps, the
B5 provides up to 48 10/100/1000 Ethernet ports as well as
two 10 GE ports. Leveraging the B5’s stacking capability, as
many as 8 B5s (both 24-port and 48-port combinations) can
be interconnected in a single stack to create a virtual switch
that provides 1.47 Tbps of capacity and up to 384 10/100/1000
Ethernet ports as well as 16 10GE uplink ports.

B-Series – Data Sheet 2

Features / Standards and Protocols

MAC Address Table Size

32,000
VLANs
4,094 VLAN IDs
1,024 VLAN Entries per Stack

Switching Services

IEEE 802.1AB – LLDP
ANSI/TIA-1057 – LLDP-MED
IEEE 802.1D – MAC Bridges
IEEE 802.1s – Multiple Spanning Trees
IEEE 802.1t – 802.1D Maintenance
IEEE 802.1w – Rapid Spanning Tree Reconvergence
IEEE 802.3 – Ethernet
IEEE 802.3ab – GE over Twisted Pair
IEEE 802.3ad – Link Aggregation
IEEE 802.3ae – 10 Gigabit Ethernet (fiber)
IEEE 802.3af – PoE
IEEE 802.3at – High Power PoE (up to 30W per port)
IEEE 802.3i – 10Base-T
IEEE 802.3u – 100Base-T, 100Base-FX
IEEE 802.3z – GE over Fiber
Full/half duplex auto-sense support on all ports
IGMP Snooping v1/v2/v3
Jumbo Frame support (9,216 bytes)
Loop Protection
One-to-One and Many-to-One Port Mirroring
Port Description
Protected Ports
Selectable LAG Configuration (6 x 8, 12 x 4, 24 x 2)
Host CPUProtection – Broadcast/ Multicast/ Unknown Unicast
Suppression
Spanning Tree Backup Root
STP Pass-Thru

VLAN Support

Generic Attribute Registration Protocol (GARP)
Generic VLAN Registration Protocol (GVRP)
IEEE 802.1p – Trac classification
IEEE 802.1q – VLAN Tagging
Protocol-based VLANs with Extreme Networks Policy
IEEE 802.3ac – VLAN Tagging Extensions
Port-based VLAN (private port/private VLAN)
Tagged-based VLAN
VLAN Marking of Mirror Trac
Standalone VLAN Association application for subnet, protocol and
MAC based VLAN classification

Quality of Service

8 Priority Queues per Port

802.3x Flow Control
Class of Service (CoS)
Ingress Rate Limiting
IP ToS/DSCP Marking/Remarking
IP Precedence
IP Protocol
Layer 2/3/4 Classification
Multi-layer Packet Processing
Mixed Queuing Control – Strict and
Weighted Round Robin
Source/Destination IP Address
Source/Destination MAC Address
RFC 2474 Definition of Dierentiated Services Field

Security

ARP Spoof Protection
DHCP Spoof Protection
Dynamic and Static MAC Locking
EAP Pass Thru
Hybrid Mode
IEEE 802.1X Port Authentication
MAC-based Port Authentication
RADIUS Accounting for network access
RADIUS Client
IPsec for RADIUS transactions
RFC 3580 – IEEE 802.1X RADIUS Usage Guidelines
Multi-user Authentication
Pre-login banner
Password encrypted using a FIPS 1402 approved algorithm
Secure Networks Policy
Secured Shell (SSHv2)
Secured Socket Layer (SSL)
User and IP Phone Authentication
Web-based Port Authentication
Auto Console Disconnect
Security Log
Secure Directory

IPv4 Routing

Standard Access Control List (ACLs)
Extended ACLs
VLAN-based ACLs
Service ACLs
IPv6 ACLs - not simultaneously supported with policy
MAC-based ACLs - not simultaneously supported with policy
ARP & ARP Redirect
IP Helper Address
RFC 826 – Ethernet ARP
RFC 1058 – RIP v1
RFC 1256 – ICMP Router Discovery Messages
RFC 1519 Classless Inter-Domain Routing
RFC 1724 – RIPv2 MIB Extension
RFC 2236 – IGMPv2
RFC 2453 – RIP v2
RFC 3046 – DHCP/BootP Relay
RFC 3376 – IGMPv3
Static Routes

MIB Support

Extreme Networks Entity MIB
Extreme Networks Policy MIB
Extreme Networks VLAN Authorization MIB
Extreme Networks Spanning Tree Diagnostic MIB
ANSI/TIA-1057 – LLDP-MED MIB
IEEE 802.1AB – LLDP MIB
IEEE 802.1X MIB – Port Access
IEEE 802.3ad MIB – LAG MIB
RFC 826 – ARP and ARP Redirect
RFC 951, RFC 1542 – DHCP/BOOTP Relay
RFC 1213 – MIB/MIB II
RFC 1493 – BRIDGE-MIB
RFC 1643 – Ethernet-like MIB
RFC 2096 – IP Forwarding Table MIB
RFC 2131, RFC 3046 – DHCP Client/Relay
RFC 2571 – SNMP Framework MIB
RFC 2465 – IPv6 MIB
RFC 2466 – ICMPv6 MIB

B-Series – Data Sheet 3