This patch release note lists the issues addressed and enhancements made in
patch 86253-04 for Software Release 2.5.3 on existing models of Rapier series
switches. Patch file details are listed in Table 1.
Table 1: Patch file details for Patch 86253-04.
Base Software Release File
Patch Release Date
Compressed Patch File Name
Compressed Patch File Size
This release note should be read in conjunction with the following documents:
■Release Note: Software Release 2.5.3 for Rapier Switches and AR400 and
AR700 Series Routers (Document Number C613-10362-00 Rev A) available
from www.alliedtelesyn.co.nz/documentation/documentation.html
■Rapier Switch Documentation Set for Software Release 2.5.1 available on
the Documentation and Tools CD-ROM packaged with your switch, or
from www.alliedtelesyn.co.nz/documentation/documentation.html
WARNING: Using a patch for a different model or software release may cause
unpredictable results, including disruption to the network. Information in this
release note is subject to change without notice and does not represent a
commitment on the part of Allied Telesyn International. While every effort has
been made to ensure that the information contained within this document and
the features and changes described are accurate, Allied Telesyn International
can not accept any type of liability for errors in, or omissions arising from the
use of this information.
86s-253.rez
17-October-2003
86253-03.paz
585295 bytes
.
.
Simply connecting the world
2Patch Release Note
Some of the issues addressed in this Release Note include a level number. This
number reflects the importance of the issue that has been resolved. The levels
are:
Level 1This issue will cause significant interruption to network services, and
there is no work-around.
Level 2This issue will cause interruption to network service, however there
is a work-around.
Level 3This issue will seldom appear, and will cause minor inconvenience.
Level 4This issue represents a cosmetic change and does not affect network
operation.
Features in 86253-04
Patch 86253-04 includes all issues resolved and enhancements released in
previous patches for Software Release 2.5.3, and the following enhancements:
PCR: 02414Module: IPV6, SWI, IPG, VLAN
MLD snooping is now supported on AT-9800 Series Switches and Rapier i
Series Switches. For details, see “MLD Snooping” on page 17.
PCR: 02577Module: IPG, LOG Level: 4
The ability to log MAC addresses whenever the ARP cache changes has
been added. To enable this, use the command:
ENABLE IP ARP LOG
To disable it, use the command:
DISABLE IP ARP LOG
The logging of MAC addresses is disabled by default. Use the SHOW LOG
command to view the MAC addresses that have been logged when the ARP
cache changes.
PCR: 03162Module: IPV6 Level: 3
The performance of IPv6 has been improved by introducing IPv6 flows.
PCR: 03268Module: SWI Level: 1
When using MVR on a Rapier 48 or Rapier 48i, multicast packets were not
forwarded correctly between ports 1-24 and 25-48. This issue has been
resolved.
PCR: 03409Module: SWI Level: 2
The switch filter was not operating correctly after a boot cycle. This issue
has been resolved.
PCR: 03524Module: OSPF, IPG Level: 2
OSPF disabled RIP unless RIP was activated using the SET OSPF RIP
command. This issue has been resolved.
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
Patch 86253-04 For Rapier Series Switches3
PCR: 03560Module: IPV6 Level: 2
A fatal error sometimes occurred when IPv6 multicast packets were
forwarded via an interface that went down and then came back up. This
issue has been resolved.
PCR: 03598Module: ETH, IPG, IPv6, IPX,
Level: 3
PORT, PPP.
After about 250 days, commands such as SHOW BRIDGE COUNT w ere not
displaying the correct number of seconds for Uptime and Last Change At.
days. This issue has been resolved.
PCR: 03616Module: IPG Level: 4
Three new commands have been added to enable and disable transmission
of the following ICMP messages: Network Unreachable, Host Unreachable, and
all Redirect messages.
The commands are:
DISABLE IP
ICMPREPLY[={ALL|NETUNREACH|HOSTUNREACH|REDIRECT}]
ENABLE IP
ICMPREPLY[={ALL|NETUNREACH|HOSTUNREACH|REDIRECT}]
SHOW IP ICMPREPLY
For details, see “Enable and Disable ICMP Messages” on page 14.
PCR: 03622Module: ENCO Level: 2
Interoperating with other vendors implementations of ISAKMP was
occasionally causing errors following key exchanges. This relates to
differing implementations of the RFC regarding the retention of leading
zeros. This issue has been resolved by modifying the software to retain
leading zeros. An additional command provides compatibility with routers
that still use previous software versions. The command details are:
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
SET ENCO DHPADDING={ON|OFF}
This command controls the padding process for Diffie Hellman generated
values. This may be required when interoperability is required with other
vendor’s equipment that uses the Diffie Hellman algorithm.
The DHPADDING parameter specifies whether the Diffie Hellman
generated values should be padded or not. If ON is specified, then leading
zeros will be inserted into the generated values. If OFF is specified, then the
generated values will not be padded. The default is ON.
For example, to turn off the Diffie Hellman padding, use the command:
SET ENCO DHPADDING=OFF
Also, the output of the SHOW ENCO command now contains a new line
showing the setting for DHPADDING.
PCR: 03704Module: BGP Level: 2
BGP was importing the best route from IP without checking whether the
route was reachable. BGP now selects the best reachable route. If there are no
reachable routes, BGP will select the best unreachable route.
PCR: 03710Module: PIM, PIM6 Level: 2
The list of multicast groups for each Rendezvous Point occasionally became
corrupted, and this could cause a fatal error. This issue has been resolved.
4Patch Release Note
PCR: 03723Module: BGP Level: 2
BGP routes that were added after a summary aggregate route had been
formed were not suppressed. This issue has been resolved: all routes added
after summary aggregate route creation are also now suppressed.
The SHOW BGP ROUTE command displayed unselected routes as the
"best" route, until they had been processed. This issue has been resolved.
When a single route was deleted from an aggregate route, the aggregate
route was deleted, even if it contained other routes. This issue has been
resolved.
PCR: 03726Module: TTY, USER Level: 3
The time recorded when a user logged in was overwritten when the same
user logged in a second time while the original connection was still active.
This meant the SHOW USER command displayed the same time for both
connections. This issue has been resolved.
PCR: 03733Module: IPV6 Level: 3
When an oversize packet (PMTU) was received, an error message was not
returned, even when IPv6 flow was enabled. This issue has been resolved.
PCR: 03734Module: IPG Level: 2
With static multicasting enabled on two VLANs, only the first few multicast
packets of a stream were L3 forwarded. This issue has been resolved.
PCR: 03751Module: MLDS Level: 3
The MLD snooping entries registered on a port were not removed when the
port went down or was unplugged. This issue has been resolved.
PCR: 03757Module: BGP Level: 2
Route flapping occurred with BGP when an interface went down. This issue
has been resolved.
PCR: 03771Module: SWI Level: 2
When ingress rate limiting was used on Rapier switch ports, TCP sessions
sometimes obtained a throughput that was lower than the configured
ingress rate limit. This issue has been resolved.
PCR: 03780Module: INSTALL Level: 3
If a configuration file had a long file name, the SHOW CONFIG command
displayed the file name using the shortened DOS 8.3 format (where file
names are 8 characters long, with extensions of 3 characters). This issue has
been resolved so that long configuration file names are now displayed using
the DOS 16.3 format (where file names are up to 16 characters long).
PCR: 03789Module: ETH Level: 2
When a 4-port ETH PIC card was installed, the output of the SHOW IP
INTERFACE command showed the ETH port as Down, but the link LEDs
on the card were lit. This issue has been resolved. The SHOW command
now shows the correct link status. The link will go down after 90 seconds if
no inbound traffic is received. When inbound traffic is received the link will
come up.
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
Patch 86253-04 For Rapier Series Switches5
PCR: 03790Module: SWI Level: 2
When a tagged port was deleted from a VLAN that was in the default STP,
and the port was then added to the VLAN again, communications were
sometimes not resumed on that port. This issue has been resolved.
PCR: 03798Module: IKMP Level: 3
ISAKMP did not support the IPSec message option
ID_IPV6_ADDR_SUBNET (RFC 2407, 4.6.2.7). ISAKMP was using the
ID_IPV6_ADDR (RFC 2407, 4.6.2.6) option instead. This issue has been
resolved.
PCR: 03801Module: MLDS Level: 2
MLD and MLD Snooping accepted MLD Query packets with a hop limit
greater than 1. Duplicate packets were forwarded when the hop limit was
not 1 and the payload was 0::0. This issue has been resolved. MLD and MLD
Snooping now require the hop limit to be 1.
PCR: 03806Module: VRRP Level: 4
After the SHOW VRRP command was executed, incorrect trigger messages
were entered into the log. This issue has been resolved.
PCR: 03809Module: SWI Level: 2
An additional check has been added for unknown GBIC models to
determine if they are copper or fibre.
PCR: 03817Module: IPV6 Level: 2
A fatal error occurred when IPv6 fragmented a packet. Also, when a large
fragmented ICMP echo request packet was received, the reply may not have
been fragmented and so may have exceeded the MTU for the interface it
was sent on. These issues have been resolved.
PCR: 03826Module: BGP Level: 2
When B GP imp orted routes f rom IP w ith th e ADD BGP IM PORT co mm and,
and there were multiple import choices, the best IP route was not always
imported. This issue has been resolved.
PCR: 03828Module: IPV6 Level: 2
The MTU value for IPv6 PPP interfaces was always set to 1280 bytes. This
MTU value is now correctly set to 1500 bytes, and 1492 bytes for PPP over
Ethernet (PPPoE).
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
PCR: 03836Module: OSPF Level: 2
OSPF sometimes chose routes with an infinite metric over routes with a
finite metric when selecting the best local route. This issue has been
resolved.
PCR: 03839Module: IPV6 Level: 2
A fatal error sometimes occurred when an IPv6 ping packet length
exceeded 1453 bytes. This issue has been resolved.
6Patch Release Note
PCR: 03843Module: DHCP Level: 2
When some DHCP entries were in Reclaim mode, and all interface links
related to the range of these entries went down, these DHCP entries were
stuck in Reclaim mode. This issue has been resolved.
PCR: 03847Module: TTY Level: 3
Entering Ctrl-N caused some terminals to expect Shift Out ASCII
characters. This issue has been resolved.
PCR: 03850Module: FFS Level: 3
Files were not displayed in the SHOW FFILE command output, after
entering “
Q” at the CLI to quit from a previous prompt. This issue has been
resolved.
PCR: 03852Module: IPG, IPV6 Level: 2
PIM SM did not establish a BSR candidate between two AR720 routers with
PPP over SYN. This issue has been resolved.
PCR: 03854Module: SWI Level: 2
Wh en INGR ESSLI MIT p aramet er in the SE T SWIT CH PORT command w as
set to 64kbps, the switch received packets intermittently rather than
continuously. This issue has been resolved.
PCR: 03855Module: IPG Level: 2
Previously, an IP multicast stream destined for an IP multicast group was
forwarded out ports in the All Groups IGMP snooping entry even after this
entry had timed out. This issue has been resolved.
PCR: 03861Module: IPV6 Level: 2
When a connector was plugged into one physical interface, the RIPng
request packet was erroneously transmitted from all interfaces on the
switch. This issue has been resolved.
PCR: 03864Module: BGP Level: 2
BGP sent Update packets when the local host route table changed but did not
affect BGP. Also, BGP did not send Withdrawn packets when there was a
change in the best route. These issues have been resolved.
PCR: 03867Module: BGP Level: 2
BGP sometimes chose routes with an infinite metric over routes with a finite
metric when selecting the best local route. This issue has been resolved.
PCR: 03868Module: IPG Level: 3
The ipForwDatagrams SNMP MIB object was incremented when it should
not have been. This issue has been resolved.
PCR: 03870Module: SWI, VLAN Level: 3
On Rapier 48i switches, mirror port information was repeated in the output
of the SHOW VLAN command. This issue has been resolved.
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
Patch 86253-04 For Rapier Series Switches7
PCR: 03871Module: FIREWALL Level: 2
The HTTP proxy sometimes allowed URL requests that should have been
denied. Also, the HTTP proxy denied all URLs that contained a deniable
keyword, even when some URLs with that word had explicitly been
allowed. These issues have been resolved.
PCR: 03874Module: DHCP Level: 3
For parameters that accept a list of IP addresses in a DHCP command (such
as LOGSERVER in the ADD DHCP POLICY command), the list is now
limited to a maximum of 32 IP addresses.
PCR: 03875Module: IPG Level: 2
Sometimes OSPF routes were not entered in the IP route table. This issue has
been resolved.
PCR: 03876Module: PING Level: 2
A fatal error occurred if the TRACE command was executed when a trace
was already in progress. This issue has been resolved.
PCR: 03878Module: SWI Level: 2
The layer 3 filter was matching a layer 3 packet incorrectly when the egress
port was specified by the filter. This issue has been resolved.
PCR: 03883Module: IPG Level: 3
Some IP addresses were not displayed correctly in log messages. This issue
has been resolved.
PCR: 03884Module: IPG Level: 2
The IGMP MVR membership timeout was not operating correctly.
Membership of a multicast group is now eliminated when it times out. Also,
Leave messages were not being processed correctly, which sometimes
delayed the membership timeout. These issues have been resolved.
PCR: 03888Module: DHCP, TELNET Level: 2
When the device was configured as a DHCP server, a fatal error sometimes
occurred when a telnet session to the device was closed while DHCP was
reclaiming IP addresses. Also, a telnet error message displayed an incorrect
value when a telnet command line parameter was repeated (for example,
SHOW TELNET TELNET). These issues have been resolved.
PCR: 03890Module: IGMP, SWI Level: 2
Patch 86253-04 for Software Release 2.5.3
C613-10382-00 REV C
The switch was adding a router port for multicast packets to destinations
with an address in the range 224.0.0.x. Switch port entries are now only
created for special router multicast addresses.
PCR: 03895Module: DHCP Level: 2
If the DHCP server had a policy name greater than 5 characters long, and a
very long MERITDUMP or ROOTPATH value, the device could not
correctly create the configuration. This issue has been resolved.
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