Hi,
We recently just upgraded our Cisco 6509 and so far after the upgrade some interfaces are showing down eventhough it is up and running. The errors are "no such name (ifalias/x.x.x.x) (SNMPerror #2)" and "no such instance (SNMP error #223).
Other interfaces are showing up and being monitored fine.
Anything that you can recommend doing? Prior the upgrade we do not see this issue. So far the cisco IOS version was also applied on our other identical routers and it is working fine.
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