https://community.extremenetworks.com/t5/extremeswitching-exos-switch/cifs-smb-network-configuration/m-p/48427#M12661 CIFS ( common internet file system ) file transfer system /SMB<BR /> Trying to understand how this protocol works .<BR /> <BR /> I have a few servers which use CIFS , when on the same network , through a few switches ,|X670 etc. when connected locally on the same switch , same vlan when monitoring the port we can see no "packet drops" sh port X congestion on the client port<BR /> When I go to another switch on the same L2 network , looking at the new port for the client I see a number of packet drops .<BR /> <BR /> When we now introduce a core switch , where we are now routing , and then a stack of 8 X450e units , when the client is now attached on a seperate network , in one of the stack ports , teh dropped ports are racing towards 70,000 plus .. <BR /> <BR /> We do have some old X650 units in the way ... though I would not expect this sort if hike , in teh packet dropped .. <BR /> <BR /> Hence my request to understand this protocol , or how to configure the swicthes to support CIFS.<BR /> <BR /> Fri, 04 Aug 2017 20:23:00 GMT Rod_Robertson2 2017-08-04T20:23:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/cifs-smb-network-configuration/m-p/48427#M12661 CIFS ( common internet file system ) file transfer system /SMB<BR /> Trying to understand how this protocol works .<BR /> <BR /> I have a few servers which use CIFS , when on the same network , through a few switches ,|X670 etc. when connected locally on the same switch , same vlan when monitoring the port we can see no "packet drops" sh port X congestion on the client port<BR /> When I go to another switch on the same L2 network , looking at the new port for the client I see a number of packet drops .<BR /> <BR /> When we now introduce a core switch , where we are now routing , and then a stack of 8 X450e units , when the client is now attached on a seperate network , in one of the stack ports , teh dropped ports are racing towards 70,000 plus .. <BR /> <BR /> We do have some old X650 units in the way ... though I would not expect this sort if hike , in teh packet dropped .. <BR /> <BR /> Hence my request to understand this protocol , or how to configure the swicthes to support CIFS.<BR /> <BR /> Fri, 04 Aug 2017 20:23:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/cifs-smb-network-configuration/m-p/48427#M12661 Rod_Robertson2 2017-08-04T20:23:00Z