topic RE: how i block mac address of user on my extreme core switch? in ExtremeSwitching (Other) https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9544#M572 Search the forum. Use blackhole.<BR /> <BR /> <A href="https://community.extremenetworks.com/extreme/topics/how-do-i-block-certain-mac-addresses-on-extreme-summit-switches" target="_blank" rel="nofollow noreferrer noopener">https://community.extremenetworks.com/extreme/topics/how-do-i-block-certain-mac-addresses-on-extreme...</A><BR /> <BR /> Wed, 30 Dec 2015 17:43:00 GMT Mel78__CISSP__E 2015-12-30T17:43:00Z how i block mac address of user on my extreme core switch? https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9543#M571 i need to block particular MAC address on my extreme switch .please provide me exact command and also unblock detail Wed, 30 Dec 2015 16:51:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9543#M571 shashank_sharma 2015-12-30T16:51:00Z RE: how i block mac address of user on my extreme core switch? https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9544#M572 Search the forum. Use blackhole.<BR /> <BR /> <A href="https://community.extremenetworks.com/extreme/topics/how-do-i-block-certain-mac-addresses-on-extreme-summit-switches" target="_blank" rel="nofollow noreferrer noopener">https://community.extremenetworks.com/extreme/topics/how-do-i-block-certain-mac-addresses-on-extreme...</A><BR /> <BR /> Wed, 30 Dec 2015 17:43:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9544#M572 Mel78__CISSP__E 2015-12-30T17:43:00Z RE: how i block mac address of user on my extreme core switch? https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9545#M573 create fdbentry <MAC-ENTRY> <VLAN> blackhole</VLAN></MAC-ENTRY> Tue, 05 Jan 2016 02:59:00 GMT https://community.extremenetworks.com/t5/extremeswitching-other/how-i-block-mac-address-of-user-on-my-extreme-core-switch/m-p/9545#M573 Kar_Del_Moral 2016-01-05T02:59:00Z