Nortel 5000, Release Notes

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32 Known issues and limitations
Change Request
Number Description
Q01471387 Ping to the VRRP IP addresses on the switch from local console or telnet
is not supported.
Q01680155 Nortel recommends that you do not make any changes that might affect
NSNA behavior when you have clients connected.
Q01681616 If you remove a connected route, none of the static routes depending on it
will be added back as Non Local Static Routes if there is another route which
can be used as Next Hop for these routes.
Q01680918 The
show qos diag
command may not show correct data if the device is
in the middle of a filter installation.
Q01655103 Tagged ports shared between a VLAN in STPG 1 / CIST and a VLAN
removed from all spanning tree groups will block traffic for both VLANs if the
STP state is not ’Forwarding’ in STPG 1 / CIST.
Q01650225 Due to the nature of NSNA, Nortel recommends that you disable autosave
with
no autosave enable
, while NSNA is enabled. If you need to save
a configuration, use the explicit save to nvram command,
copy config
nvram
.
Q01421487 STPG: When a Topology Change is in place, some MAC addresses may not
be aged out from the MAC address table after the Forwarding Delay interval.
Q01688004
Q01689623 Nortel recommends that you do not connect both SMLT aggregation
switches to the same network or end device (PC or workstation) through non
SMLT/SLT ports. When non SMLT/SLT ports are connected together on the
same VLAN with the IST ports, it creates a loop in the network.
To prevent a loop, always assign non SMLT/SLT ports to different VLANs.
For instance, if switches A and B are both SMLT aggregation switches and
ports 5 on both switches are non SMLT/SLT ports, and you connect ports
5 of both switches to the same PC configured as a TFTP server, you must
assign port 5 of switch A to VLAN 100 and port 5 of switch B to VLAN 200.
IST ports may or may not be a member of VLANs 100 and 200.
Q01426066 In a busy network which has more than 400 L3 routes and 2000 MAC
addresses, if one of the SMLT aggregation switches goes down and then
comes back up, each aggregation switch must ageout its own MAC and ARP
tables, and then relearn the new MACs and ARPs. During this process,
contention for system resources will cause new MAC addresses and new
ARPs to be processed slowly, possibly resulting in flooding and packet loss
for about 20-30 seconds.
Q01693817 Nortel recommends that you do not run TDR tests while the device is in a
transient state, such as when units are being rebooted or are joining the stack.
Q01711153 IPFIX may report incorrect byte or packet count due to software limitations.
Nortel Ethernet Routing Switch 5000 Series
Release Notes — Release 6.0
NN47200-400 04.01 Standard
6.0 12 December 2008
Copyright © 2008., Nortel Networks
.