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Erspan interface limits

jmcgrady1
Level 1
Level 1

On a C9300 switch, is there a limit to how many interfaces can be spanned to one port? For example, say i had a layer 3 network of 10 switches all spanning to a single port on one C9300 - is there a practical limit?

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pieterh
VIP
VIP

the "practical" limit is bandwith / throughput
you cannot successfully span 10x 1Gbps to 1Gbps out 
if you do not need all the data SPAN'ed, then you can  filter traffic from the SPAN source before it is sent to the SPAN destination

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