Nexus9000 Problem

wuyian2012 · ‎03-11-2015

HI

my N9K have all logging is

2015 Mar 3 15:16:56 Nexus9508 %ICMPV6-3-ND_LOG: icmpv6 [5653] Inconsistent RA retrans-timer on Vlan999, ours is: 0, from fe80::8a5a:92ff:fe1b:7392
2015 Mar 3 15:16:56 Nexus9508 %ICMPV6-3-ND_RA_LOG: icmpv6 [5653] fe80::8a5a:92ff:fe1b:7392 on Vlan999 Current-hop-limit:64, m-bit:0, o-bit:0, rtr-lifetime:1800, r
eachable-time:0, retrans-timer:1000
2015 Mar 3 15:20:07 Nexus9508 %ICMPV6-3-ND_LOG: icmpv6 [5653] Inconsistent RA retrans-timer on Vlan999, ours is: 0, from fe80::8a5a:92ff:fe1b:7392
2015 Mar 3 15:20:07 Nexus9508 %ICMPV6-3-ND_RA_LOG: icmpv6 [5653] fe80::8a5a:92ff:fe1b:7392 on Vlan999 Current-hop-limit:64, m-bit:0, o-bit:0, rtr-lifetime:1800, r
eachable-time:0, retrans-timer:1000

why this logging is cause?, how can i delete this logging and see important logging

sean_evershed · ‎03-11-2015

It's not N9K problem but an IPv6 problem.

You need to find out how the other IPv6 device on VLAN 999 is configured and ensure that the two devices match for the nd retransmission timer.

See this link for details where there was a similar IPv6 issue between a N7K and an ASA firewall.

https://supportforums.cisco.com/discussion/11403736/ipv6-between-nxos-nexus-7k-and-asa-firewall

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