[mrtg] Problem with 3com Switch and MRTG

[Tobias Oetiker]

Alan,

Today Alan McKay wrote:

> Well my basic problem seems to be that SNMP is not actually turned on for
> that switch.  Though for the life of me I do not see how not.   Very
> perplexing ...
>
> [amckay at solexa-db ~]$ nmap 192.168.160.9
>
> Starting Nmap 5.51 ( http://nmap.org ) at 2011-12-12 11:50 EST
> Nmap scan report for 192.168.160.9
> Host is up (0.040s latency).
> Not shown: 997 closed ports
> PORT    STATE SERVICE
> 7/tcp   open  echo
> 80/tcp  open  http
> 443/tcp open  https
>
> Nmap done: 1 IP address (1 host up) scanned in 10.54 seconds
> [amckay at solexa-db ~]$

snmp uses udp, so you want to scan with

nmap -sU 192.168.160.9

(http://nmap.org/book/man-port-scanning-techniques.html)

cheers
tobi


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-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900