Hi folks,
My site has servers and workstations running Debian squeeze. I've got
Cacti running on one server and it uses snmp to query all of the hosts
it can access using IPv4. That works fine. But, there are workstations
in remote locations that the Cacti server can only reach if I do lots
of tunneling or use IPv6. The latter seems a better idea to me, so I'm
attempting to get snmpd to respond to IPv6 requests, but am not having
much luck.
So far I've tried configuring /etc/snmp/snmpd.conf with, for example:
agentAddress udp:6161,tcp6:161,udp6:1616
Which gives:
~# netstat -lpn |grep snmp
tcp6 0 0 :::161 :::* LISTEN 3163/snmpd
udp 0 0 0.0.0.0:50305 0.0.0.0:* 3163/snmpd
udp 0 0 0.0.0.0:58502 0.0.0.0:* 3163/snmpd
udp 0 0 0.0.0.0:6161 0.0.0.0:* 3163/snmpd
udp6 0 0 :::1616 :::* 3163/snmpd
~# _
That looks okay, and the IPv4 UDP port responds as expected:
~# snmpstatus -v2c -c public localhost:6161
[UDP: [127.0.0.1]:6161->[0.0.0.0]]=>[Linux gwz-21 2.6.32-5-686 #1
SMP Mon Jun 13 04:13:06 UTC 2011 i686] Up: 0:01:42.98
Interfaces: 3, Recv/Trans packets: 185737/316683 | IP: 169467/305191
1 interface is down!
~# _
But, the IPv6 ports do not -- all I get from them is timeouts:
~# snmpstatus -v2c -c public tcpipv6:[::1]:161
Timeout: No Response from tcpipv6:[::1]:161
~# snmpstatus -v2c -c public udpipv6:[::1]:1616
Timeout: No Response from udpipv6:[::1]:1616
~# _
I'm probably missing something. Can anyone help?
Thanks,
Jaap
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