https://community.extremenetworks.com/t5/extremeswitching-exos-switch/the-algorithm-of-ecmp/m-p/51883#M14250 Hello Elmer<BR /> <BR /> There is a detail description of this in the EXOS Command Reference guide 15_4 page 2336.<BR /> <BR /> Here's a brief summary<BR /> <BR /> The ECMP hash uses CRC based on SIP, DIP and (by default), the L4 port numbers. If you<BR /> want, you can choose to exclude L4 port numbers by configuring "L3" using this XOS CLI<BR /> command:<BR /> configure forwarding sharing [L3 | L3_L4]<BR /> <BR /> ECMP support L3<BR /> Uses only Layer 3 IP addresses to select ECMP routes and load-sharing ports.<BR /> L3_L4 (Default)<BR /> Uses Layer 3 IP addresses and Layer 4 TCP/UDP port numbers, if present, to select<BR /> ECMP routes and load-sharing ports<BR /> <BR /> You can download the command reference guide at <A href="http://www.extremenetworks.com/support/extreme-support/documentation/" target="_blank" rel="nofollow noreferrer noopener">http://www.extremenetworks.com/support/extreme-support/documentation/</A><BR /> <BR /> Hope that helps<BR /> P<BR /> <BR /> Thu, 10 Apr 2014 18:14:00 GMT Paul_Russo 2014-04-10T18:14:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/the-algorithm-of-ecmp/m-p/51882#M14249 What is the algorithm of ECMP on XOS. Is it platform independent?<BR /> <BR /> Thu, 10 Apr 2014 09:15:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/the-algorithm-of-ecmp/m-p/51882#M14249 r_____________9 2014-04-10T09:15:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/the-algorithm-of-ecmp/m-p/51883#M14250 Hello Elmer<BR /> <BR /> There is a detail description of this in the EXOS Command Reference guide 15_4 page 2336.<BR /> <BR /> Here's a brief summary<BR /> <BR /> The ECMP hash uses CRC based on SIP, DIP and (by default), the L4 port numbers. If you<BR /> want, you can choose to exclude L4 port numbers by configuring "L3" using this XOS CLI<BR /> command:<BR /> configure forwarding sharing [L3 | L3_L4]<BR /> <BR /> ECMP support L3<BR /> Uses only Layer 3 IP addresses to select ECMP routes and load-sharing ports.<BR /> L3_L4 (Default)<BR /> Uses Layer 3 IP addresses and Layer 4 TCP/UDP port numbers, if present, to select<BR /> ECMP routes and load-sharing ports<BR /> <BR /> You can download the command reference guide at <A href="http://www.extremenetworks.com/support/extreme-support/documentation/" target="_blank" rel="nofollow noreferrer noopener">http://www.extremenetworks.com/support/extreme-support/documentation/</A><BR /> <BR /> Hope that helps<BR /> P<BR /> <BR /> Thu, 10 Apr 2014 18:14:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/the-algorithm-of-ecmp/m-p/51883#M14250 Paul_Russo 2014-04-10T18:14:00Z