Cisco Nexus 7000 Series Configuration Manual page 155

Configuring IGMP Snooping
Command or Action
Option
ip igmp snooping fast-leave
switch(config-vlan-config)# ip igmp
snooping fast-leave
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide
Configuring IGMP Snooping Parameters per VLAN
Purpose
D e s c r i p t i o n
S u p p o r t s
I G M P v 2
hosts
that
c a n n o t
be
e x p l i c i t l y
t r a c k e d
b e c a u s e
of
the
host
report
s u p p r e s s i o n
m e c h a n i s m
of
the
I G M P v 2
p r o t o c o l .
W h e n
you
e n a b l e
fast
leave,
the
I G M P
s o f t w a r e
a s s u m e s
that
no
more
than
one
host
is
p r e s e n t
on
each
V L A N
port.
The
d e f a u l t
is
d i s a b l e d
for
all
V L A N s .
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