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Webcast-Catalyst9k
New Member

Problem to access the CAM table via SNMPv3

Hi folks,

I have a problem to access the CAM table of a Cat2950, IOS 12.1(11)EA that has been configured to work with SNMPv3 auth only. I tried to use the net-snmp toolkit to access the bridge table w/o success. The switch config is:

snmp-server engineID local xxxx

snmp-server group test v3 auth read readView

snmp-server view readView mib-2 included

snmp-server community public RO

snmp-server user bob test v3 auth md5 bob1

And the command I'm using to fetch the table is:

snmpwalk -v 3 -a MD5 -A bob1 -u bob -l authNoPriv <device IP> .1.3.6.1.2.1.17.4.3.1.2.<Vlan ID>

I'm just able to get the vlan1 mac addresses. I cannot access other vlans as it says "unkown username".

Thanks,

Yigal

2 REPLIES
Red

Re: Problem to access the CAM table via SNMPv3

Looks like you are running into CSCed07927:

This BRIDGE-MIB doesnot support VLAN contexts for SNMPv3 on IOS

The defect is resolved, but yet to be integrated into an IOS that is publicly avilable.

New Member

Re: Problem to access the CAM table via SNMPv3

Thanks for the prompt answer. However I cannot find this bug ID via the Bug toolkit. Does this bug covers

all the IOS-based switches with the current releases?

Thanks,

Yigal

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