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2014-06-10

Per Vlan Statistics on Brocade MLXe

It is possible to get statistics on a per-vlan basis on a brocade device. This is useful for ports in which you aggregate traffic on (trunk links) that carry multiple vlan flows.

If you want to measure each individual flow you can use the following commands:
show vlan 1 statistics ethernet 5/1                             
VLAN 1: Extended Routed/Switched Counters (only applicable for G2/G3a modules): 
                                                                                
Interface RxPkts           TxPkts           RxBytes          TxBytes            
eth 5/1   0                0                0                0                  

There are also some snmp queries called VLAN extended statistics that allow you to grab similar information remotely and in an automated fashion using brcdVlanExtStatsTable

References:
http://t19831.network-nsp-foundry.networkforums.info/access-to-vlan-extended-statistics-with-snmp-t19831.html 
https://puck.nether.net/pipermail/foundry-nsp/2013-February/003840.html
http://www.brocade.com/downloads/documents/html_product_manuals/UNIFIED_IP_MIB_MAY2012/wwhelp/wwhimpl/common/html/wwhelp.htm#href=umib_VLAN.25.9.html&single=true

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