https://community.extremenetworks.com/t5/extremeswitching-exos-switch/jabber-frames-on-uplink/m-p/35718#M7246 *Update* <BR /> <BR /> It appears this was a cable issue, assume with the transceiver as a cable replacement has rectified the problem. Thu, 20 Mar 2014 21:54:00 GMT Ian_Broadway 2014-03-20T21:54:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/jabber-frames-on-uplink/m-p/35717#M7245 Hi,<BR /> <BR /> I'm experiencing a problem with Jabber frames on an uplink between two switches.<BR /> <BR /> We use the switches for iSCSI connections, its purely a layer 2 network.<BR /> <BR /> We have 2 x x670v with VIM4-40G4X Cards, one in each. <BR /> <BR /> The Link between them is a LAG, ports 49 to 49 and 53 to 53, in a static LAG, L2 address based algorithm.<BR /> <BR /> All ports are set for jumbo frames, I cant however specify MTU size because of the vlan not having an IP interface.<BR /> <BR /> The cabling between the switches for both links in the LAG is done by two<BR /> <BR /> 40 Gigabit Ethernet QSFP+ passive copper cable assembly, 1m length Part Number 10312 <BR /> <BR /> I can confirm no Jabber from any edge ports, or any port errors for that matter.<BR /> <BR /> At the moment it doesn't seem to be affecting performance<BR /> <BR /> Any advice would be appreciated<BR /> <BR /> <BR /> <BR /> Thanks<BR /> <BR /> Ian<BR /> <BR /> <BR /> <BR /> Thu, 20 Mar 2014 15:12:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/jabber-frames-on-uplink/m-p/35717#M7245 Ian_Broadway 2014-03-20T15:12:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/jabber-frames-on-uplink/m-p/35718#M7246 *Update* <BR /> <BR /> It appears this was a cable issue, assume with the transceiver as a cable replacement has rectified the problem. Thu, 20 Mar 2014 21:54:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/jabber-frames-on-uplink/m-p/35718#M7246 Ian_Broadway 2014-03-20T21:54:00Z