Solaris: Wrong MTU Size for VIP or HAIP
(Doc ID 1290585.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)
11gR2/12c Grid Infrastructure environment, after clusterware starts up, noticed VIP (can be node VIP, SCAN VIP, GNS VIP or user VIP) and / or HAIP is having MTU size that does not match the MTU on physical interface:
qlge8: flags=1001000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,FIXEDMTU> mtu 9198 index 9
inet 10.0.0.1 netmask ffffff00 broadcast 10.0.1.255
qlge8:1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 9216 index 9
inet 169.254.81.29 netmask ..
The MTU size could be 16128 for some type of network adapters.
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