hello,
I know that the fast failover group is used to realize failure recovery.
for example, the primary path is A-B-C-D-E, and the backup path is
A-B-H-I-D-E, for switch B, it can use a fast failover group to turn the
traffic from B-C to B-H when the link B-C is down. but, how switch H handle
the traffic. if the backup flow table entries is set up in advance, that
may lead to a conflict.

regards!
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