When using RFC 3069 and bonding, backup slave is always down in RHEL 4 and 5
Issue
- When we failover the
eth0
(primary slave), it does failover toeth1
; however, the "MII Status" ofeth1
interface under/proc/net/bonding/bond0
shows as "down". After approximately 11s,eth3
becomes primary andeth2
's "MII Status" is marked as being "down". - While failing back to primary
eth2
, it simply does not happen.eth3
remains as active slave, even though I have 'primary=eth2' flag set in my/etc/modprobe.conf
Environment
-
Red Hat Enterprise Linux (RHEL) 4 and 5
-
Bonded interface using mode=1, with a primary interface specified and ARP monitoring
-
Network environment using RFC 3069, also known as VLAN aggregation, private VLAN, source-port filtering, and port isolation
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