03-28-2008 08:30 AM - edited 03-05-2019 10:02 PM
Hello,
we have several cisco switches and routers (with different ios versions, e.g. Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version
12.2(25)EWA4, RELEASE SOFTWARE (fc1)
)which have exactly the same snmp engineid (80 00 00 09 03 00 02 00 00 00 01 00).
This is not supported via rfc.
Does anybody know if there is a known issue concerning this?
Does anybody know if it's possible to set the engineid to the correct default value?
Best Regards,
Thorsten
03-28-2008 11:00 AM
Here's a link to configure the EngineID yourself.
http://www.cisco.com/en/US/docs/ios/netmgmt/command/reference/nm_14.html
HTH
03-31-2008 12:40 AM
Hi,
thanks for the link but unfortunately there isn't mentioned how you can set the engineid to the default value.
Best Regards,
Thorsten
03-31-2008 06:48 AM
It's dynamically created so there is no default value.
12-14-2009 01:34 PM
Likely issue:
From NMS perspective you may encounter Time Syncronization(violation of timeliness) error related SNMPv3 reponses as logically SNMPv3 engine ID must be unique in an administrative domain(RFC 2571). When this happens you should encounter SNMPv3 auth failures due to UsmNotInTimeWindow related errors(implying replayed or duplicated messages).
Have no clue when exactly one would require manual configuration of SNMP engine-ID. Generation by the engine itself based on its MAC,etc should be the preferred way to avoid such conflicts.
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