On 11 November 2011 13:55, Waqas Ahmed Khan <waqas.ahm...@gmail.com> wrote:
>                      The problem is
> this that net-snmp is detecting my ipv6 based windows and linux machines.
> but it is not detecting my CISCO routers and switches.


> But for CISCO Router it always gives this error:
>
> # snmpstatus -v2c -c PxxTC udp6:[24xx:fcxx:8xxx:2xx::2]:161
> Timeout: No Response from udp6:[24xx:fcxx:8xxx:2xx::2]:161

These may be obvious questions, but:
   - does the Cisco box support SNMP access over IPv6?
   - if so, is this support enabled?    (either by default, or explicitly)
   - does the box limit who can query it?
   - if so, is the system you are using as a management station,
     configured as an authorised source?

It might be worth checking SNMP-over-IPv4, just to see if that's
working or not.

Dave

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