Bfd With Trace On; Troubleshooting Ipv6 Vrrp; Vrrp Transitions - Avaya 8800 Troubleshooting Manual

Upper layer troubleshooting
3. If more than two ports in an MLT fail at once, the BFD session flaps. To remove and

BFD with trace on

The Avaya Ethernet Routing Switch 8800/8600 supports only one static or OSPF session with
trace on (trace level 115 3) (CR Q018374647).

Troubleshooting IPv6 VRRP

The following sections describe troubleshooting information for IPv6 VRRP

VRRP transitions

When a VRRP transition takes place with the backup taking over as the master, look for the
following message in the syslog on the new master, as well as the old master. This message
provides information to allow you to determine the cause of the transition.
Vrrp State Transition Trap(Port/Vlan=20, Type=3, Cause=5, VrId=200,
VrIpAddr=fe80:0:0:0:1234:5678:abcd:ffff,
Addr=fe80::280:2dff:febf:ce01)
In this message, refer to the Type and Cause fields.
The following table describes the VRRP transition types.
Table 38: Transition type
Type value
1
444 Troubleshooting
(config-if)# ip bfd [port <portlist> | vlan <vid>] multiplier
<2-20>
readd MLT member ports one by one, enter the following CLI commands:
config mlt <mid> remove ports <portlist>
config mlt <mid> add ports <portlist>
OR
enter the following ACLI commands:
no mlt <mid> member <portlist>
mlt <mid> member <portlist>
None
Comments? infodev@avaya.com
Type definition
July 2013