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2<br />
IGMP snooping show commands<br />
<strong>Brocade</strong>#show ip multicast mcache<br />
Example: (S G) cnt=: cnt is number of SW processed packets<br />
OIF: e1/22 TR(1/32,1/33), TR is trunk, e1/32 primary, e1/33 output<br />
vlan 10, 1 caches. use 1 VIDX<br />
1 (10.10.10.2 239.0.0.3) cnt=0<br />
OIF: tag e2<br />
age=2s up-time=2s change=2s vidx=8191 (ref-cnt=1)<br />
Syntax: show ip multicast mcache<br />
The following table describes the output of the show ip multicast mcache command.<br />
Field<br />
Description<br />
(source group)<br />
cnt<br />
OIF<br />
age<br />
uptime<br />
Source and group addresses of this data stream. (* group) means match group only; (source<br />
group) means match both.<br />
The number of packets processed in software. Packets are switched in hardware, which<br />
increases this number slowly.<br />
The output interfaces. If entire vlan is displayed, this indicates that static groups apply to<br />
the entire VLAN.<br />
The mcache age. The mcache will be reset to 0 if traffic continues to arrive, otherwise the<br />
mcache will be aged out when it reaches the time defined by the ip multicast mcache-age<br />
command.<br />
The up time of this mcache in seconds.<br />
vidx Vidx specifies output port list index. Range is from 4096 through 8191<br />
ref-cnt<br />
The vidx is shared among mcaches having the same output interfaces. Ref-cnt indicates the<br />
number of mcaches using this vidx.<br />
Displaying software resource usage for VLANs<br />
To display information about the software resources used, enter the show ip multicast resource<br />
command.<br />
<strong>Brocade</strong>#show ip multicast resource<br />
alloc in-use avail get-fail limit get-mem size init<br />
igmp group 256 1 255 0 32000 1 16 256<br />
igmp phy port 1024 1 1023 0 200000 1 22 1024<br />
…. entries deleted …<br />
snoop mcache entry 128 2 126 0 8192 3 56 128<br />
total pool memory 109056 bytes<br />
has total 2 forwarding hash<br />
VIDX sharing hash : size=2 anchor=997 2nd-hash=no fast-trav=no<br />
Available vidx: 4060. IGMP/MLD use 2<br />
Syntax: show ip multicast resource<br />
The following table describes the output displayed by the show ip multicast resource command.<br />
44 FastIron Ethernet Switch IP Multicast Configuration Guide<br />
53-1002638-02
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