Hi Cisco Community,
I have a Q in regards to the behavior of a Nexus 5K port configured as Trunk and with the switchport monitor option enabled. Here's the configuration of that port:
sh run interface et2/1
interface Ethernet2/1
description Voice_Sniff_toSACTS023
switchport mode trunk
switchport monitor
duplex full
and the configuration of the associated Local SPAN session:
sh monitor sess 1
session 1
---------------
type : local
state : up
source intf :
rx : Po83
tx : Po83
both : Po83
source VLANs :
rx :
source VSANs :
rx :
destination ports : Eth2/1
Legend: f = forwarding enabled, l = learning enabled
My question is... what occurs to the port if I put the session in shutdown mode with a "monitor session 1 shutdown" command? Does it becomes an active trunk and starts forwarding traffic? I've been digging at Cisco documentation but have not found a clear response about this other than "Does not participate in spanning tree while the SPAN session is active." from the following document:
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/Span.html
I'm interested on the behavior as recently we were hit by a Network Loop right after we shutdown a couple of monitoring sessions where the destination ports were connected to a third switch.
Thank you all in advance for helping to give me a clue!
Regards,
Juan Cruz