If this is for a permanent monitoring solution look at network taps from someone like gigamon or netoptics. Save your SPAN ports for debugging network issues - you can very easily overload line cards and fabric when using SPAN.
Andrew On Fri, Jan 10, 2014 at 2:14 AM, Lukas Tribus <[email protected]> wrote: > Hi, > > > Dears , > > > > We have two 6509 interconnected via port-channel of two 10Ge port > > carrying about 3Gb. the module used is WS-X6716-10T and only the > > two mentioned port are used on this module for the moment . We are > > now adding a monitoring probe that will be connected on this module, > > the estimated monitored traffic is about 8Gb . Since this module has > > an oversubscription rate of 4:1 , i need to check: > > > > * On witch port it is recommended to connect the new probe without > > affecting the port channel > > * can one port on this module reach 8Gb of monitored traffic > > * the monitored traffic will be added to the actual Swicth load or it > > is transparent ? > > I suggest you read [1], which explains everything. Enable performance mode > if you are concerned about oversubscribtion or just make sure to only use > one port per port-group. > > And yes, SPAN traffic has the same cost that normal traffic has. > > > > Regards, > > Lukas > > > [1] > http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/qa_cisco_catalyst_6500_series_16port_10gigabit_ethernet_module.html > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
