[mrtg] SNMP activate in Netgear VVG2000

[Mick]

On Saturday 13 November 2010 13:01:20 callesen wrote:
> Does anybody know how to active SNMP i a Netgear VVG2000 router.
> I get this when i try to get MRTG installed
> C:\mrtg-2.16.4\bin>perl cfgmaker public at 95.166.72.182 --global "WorkDir:
> c:\www\
> mrtg" --output mrtg.cfg
> SNMP Error:
> no response received
> SNMPv1_Session (remote host: "95.166.72.182" [95.166.72.182].161)
>                   community: "public"
>                  request ID: -791239861
>                 PDU bufsize: 8000 bytes
>                     timeout: 2s
>                     retries: 5
>                     backoff: 1)
>  at C:/mrtg-2.16.4/bin\..\lib\mrtg2/SNMP_util.pm line 629
> SNMPWALK Problem for 1.3.6.1.2.1.1 on public at 95.166.72.182::::::v4only
>  at cfgmaker line 955
> WARNING: Skipping public at 95.166.72.182: as no info could be retrieved

I don't have that router, but small Netgear routers (DG834 series) respond to 
this:

http://95.166.72.182/setup.cgi?next_file=snmp.htm

or if you have telnet access:

snmpd br0 nas0

I recall having to delete a particular firewall rule with e.g.:

iptables -D INPUT 1

where 1 was the firewall rule I had to delete to allow access to SNMP.  Have 
look at the list of rules by:

iptables -L INPUT --line-numbers

HTH.
-- 
Regards,
Mick
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