https://community.extremenetworks.com/t5/extremeswitching-exos-switch/ipv4-multicast-entry-not-added-hardware-l3-table-full-logged-at/m-p/54083#M15357 IGMP snooping enabled by default.<BR /> show iproute reserved-entries statistics - will give you more details about the utilization of L3 hardware table and L3 hash table.<BR /> show mcast cache summary - will give you the number of entries occupied in L3 hash - IPv4 Mcast table.<BR /> debug hal show ipv4mc also gives more details on this issue.<BR /> If you are running with vlans less than 1000, then following below options will reduce the IPv4 mcast entries in the table,<BR /> config igmp snooping filter per-vlan<BR /> config igmp snooping forwarding-mode group-vlan Thu, 27 Mar 2014 17:14:00 GMT Sathish_Arul 2014-03-27T17:14:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/ipv4-multicast-entry-not-added-hardware-l3-table-full-logged-at/m-p/54082#M15356 Create Date: Aug 2 2013 7:17PM<BR /> <BR /> What is that? I'm not using any sort of multicast networking that I am aware of. Why is the table getting full? Is igmp on by default? If I disable it will I break anything?<BR /> <BR /> THanks, (from Jeremy_Homan) Wed, 08 Jan 2014 06:04:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/ipv4-multicast-entry-not-added-hardware-l3-table-full-logged-at/m-p/54082#M15356 EtherNation_Use 2014-01-08T06:04:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/ipv4-multicast-entry-not-added-hardware-l3-table-full-logged-at/m-p/54083#M15357 IGMP snooping enabled by default.<BR /> show iproute reserved-entries statistics - will give you more details about the utilization of L3 hardware table and L3 hash table.<BR /> show mcast cache summary - will give you the number of entries occupied in L3 hash - IPv4 Mcast table.<BR /> debug hal show ipv4mc also gives more details on this issue.<BR /> If you are running with vlans less than 1000, then following below options will reduce the IPv4 mcast entries in the table,<BR /> config igmp snooping filter per-vlan<BR /> config igmp snooping forwarding-mode group-vlan Thu, 27 Mar 2014 17:14:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/ipv4-multicast-entry-not-added-hardware-l3-table-full-logged-at/m-p/54083#M15357 Sathish_Arul 2014-03-27T17:14:00Z