ES3528MV2 Supports Multicast IP IGMP Snooping - When will mrouter be inactive by default? How to change it ? Follow
When a port receives a general query, it will become mrouter port dynamically and the timer will start to count down from 300s (5 min). After 5 minutes, if there is no general query is received by mrouter again, the port will not be mrouter port anymore.
SW_1#show ip igmp snooping mrouter
VLAN M'cast Router Ports Type Expire
---- ------------------- ------- --------
1 Eth 1/28 Dynamic 0:4:39
To change the mrouter port expire timer, use the following command:
SW_1(config)#ip igmp snooping router-port-expire-time ?
<1-65535> Time interval of router port expire time (Default: 300)
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