Hi, I want to query for the ARP and NDISC cache entries via SNMP on a Linux system. For IPv4 (ARP) this is already implemented in IP-MIB::ipNetToMediaTable, and it works as expected:
> $ snmptable -v 2c -c public 10.0.0.1 IP-MIB::ipNetToMediaTable > SNMP table: IP-MIB::ipNetToMediaTable > > ipNetToMediaIfIndex ipNetToMediaPhysAddress ipNetToMediaNetAddress > ipNetToMediaType > 3 0:1:5c:xx:xx:xx 178.27.xxx.xxx > dynamic > 13 c:47:c9:xx:xx:xx 192.168.xxx.xxx > dynamic > 13 c0:ee:fb:xx:xx:xx 192.168.xxx.xxx > dynamic However, I couldn't find anything equivalent for IPv6 (NDISC). Has anyone looked into this already? Have I missed something? Is there a reason why this is not implemented (yet)? Shouldn't it be possible to extend the SNMP agent with some script (pass directive) relaying the output of "ip -6 neigh" or something similar? What do you think about this? Thank you very much! Best regards, Karol Babioch
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