Re: Timeout

On 7/29/13, Abid Ayoub <[email protected]> wrote:
> Hi,
>
> I get nothing, i get the same message : Timeout: No Response from <IP>
> so , are there other solutions to solve this problem ?

If you're not getting any debug output from the switch that would mean
the packets aren't getting there.  Probably because
>> >> - a firewall is blocking UDP port 161 between yr box and the Cisco switch

Lee



>
> Abid
>
>
> 2013/7/26 Lee <[email protected]>
>
>> On 7/26/13, Abid Ayoub <[email protected]> wrote:
>> >
>> > I think that the problem is in udp port or in ip adresse because there
>> > is
>> > only one community string configured and have already tried the command
>> > with "v2c" and "v3".
>> >
>> > So any idea how can i change the port used by net-snmp and be certain
>> that
>> > cisco is configured to accept requests from your IP address?
>>
>> The port number isn't the problem.  To see what's happening on the
>> switch, get into enable mode on the switch & do
>> conf t
>> snmp-server community zuperZekret ro
>> end
>> term mon
>> debug snmp packets
>>
>> Then from your PC do
>> snmpget -v 2c -c zuperZekret <ip address of switch> .1.3.6.1.2.1.1.5.0
>>
>> that should give you enough information to figure out what the problem is
>>
>> Regards,
>> Lee
>>
>>
>>
>> >
>> > Thanks
>> > Abid
>> >
>> >
>> >
>> > 2013/7/25 Fulko Hew <[email protected]>
>> >
>> >>
>> >>
>> >> On Thu, Jul 25, 2013 at 10:13 AM, Abid Ayoub <[email protected]>
>> >> wrote:
>> >>
>> >>> Hello,
>> >>>
>> >>> This is the first time that i use net-snmp.
>> >>> So, i want to know the general configuration and other informations
>> >>> about
>> >>> my cisco switch using snmpwalk and snmpget.
>> >>>  So , i use the following command:
>> >>>
>> >>> snmpget -c <community> -v2c <IP> 1.3.6.1.6.1
>> >>>
>> >>> but i get immer :
>> >>>
>> >>> Timeout: No Response from <IP>
>> >>>
>> >>> i connect to the switch using ssh , but the command don´t work .
>> >>>
>> >>> So , any idea about the problem ? what is wrong ?
>> >>>
>> >>
>> >> Only the obvious:
>> >>
>> >> - a firewall is blocking UDP port 161 between yr box and the Cisco
>> switch
>> >> - you are using the wrong community string
>> >> - your Cisco isn't configured to support SNMP v2c
>> >> - your Cisco isnt' configured to accept requests from your IP address.
>> >>
>> >> FYI:
>> >> Since the OID you stated isn't an ultimate variable, but just a branch
>> in
>> >> the tree...
>> >> you will (eventually) get a 'noSuch' response.  Once you get your
>> >> other
>> >> issue resolved,
>> >> either specify a real variable, or use snmpwalk instead.
>>
>

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