Alcatel-Lucent 5620 Troubleshooting Manual page 197

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Alcatel-Lucent 5620 Service Aware Manager, Release 6.1 R3
3HE 04244 AAAB Ed. 01
Run the traceroute command:
> traceroute SAM_server_IP_address ↵
A list of hops and IP addresses appears.
Ping the first hop in the route from the managed device to the 5620 SAM server:
> ping intermediate_device_IP_address size 9216 ↵
A successful response indicates that the intermediate device supports large SNMP
packets or packet fragmentation.
Repeat for all other hops until a ping fails or until a message indicates that there
is an MTU mismatch. A failed ping indicates that the intermediate device does not
support large SNMP packets or packet fragmentation.
Check the configuration of the intermediate device, and configure fragmentation
or enable a larger MTU size.
Troubleshooting Guide
7 — Troubleshooting network management LAN issues
November 2008 7-5