Hi, I have a router I'm trying to move to a SR train, or more
specifically 12.2(33)SRE from 12.3(15a) but I have a reports from DSL
users of being unable to get to most places after that upgrade, which we
reverted.
We've even setup a test router, and tried to duplicate it, with no luck
so far. We do have one production router with that IOS (SRE) that works
fine.
About the only difference I can find is hardware (CPU/midplane)
revisions and bootloader versions.
I'm starting to wonder if anyone else on this list has encountered
similar issues.
All are NPE-G1, some with 512m ram, others with 1G ram
C7200-1 uses NAT(I know), PPP, radius, tacacs, ospf, bgp. C7200-2 and
-3 use the same without NAT. We've tried replicating the config of -1
onto -4 (the lab system) without being able to reproduce the issue.
unfortunately these are all out of a support contract
C7200-1 (with the issue):
current IOS 12.3(15a)
ROM: 12.3(4r)T3
SB-1 CPU at 700MHz, Implementation 1, Rev 0.2, 512KB L2 Cache
4 slot VXR midplane, Version 2.0
Bootloader: 12.3(9), RELEASE SOFTWARE (fc2)
Exhibited packet loss to ATM sub-interfaces (DSL customers)
when moving to 12.2(33)SRE
C7200-2 (another with the issue):
current IOS 12.4(25b)
ROM: 12.3(4r)T3
SB-1 CPU at 700MHz, Implementation 1025, Rev 0.2, 512KB L2 Cache
4 slot VXR midplane, Version 2.6
Bootloader: 12.4(12), RELEASE SOFTWARE (fc1)
Exhibited packet loss to ATM sub-interfaces (DSL customers)
when moving to 12.2(33)SRE
C7200-3 (working in production on SRE):
current IOS 12.2(33)SRE
ROM: 12.2(20030826:190624) [BLD-npeg1_rommon_r11 102], DEVELOPMENT
SOFTWARE
SB-1 CPU at 700MHz, Implementation 1025, Rev 0.2, 512KB L2 Cache
4 slot VXR midplane, Version 2.11
Bootloader: 12.4(12), RELEASE SOFTWARE (fc1)
C7200-4 (lab system, trying to replicate problem -- working on SRE):
current IOS 12.2(33)SRE
ROM: 12.3(4r)T1 fc1
SB-1 CPU at 700MHz, Implementation 1025, Rev 0.2, 512KB L2 Cache
4 slot VXR midplane, Version 2.6
Bootloader: none listed in 'sh ver' output
--
Walter Keen
Network Engineer
Rainier Connect
(cell) 253-302-0194
(desk) 360-832-4024
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