SPAN and RSPAN
When configuring SPAN , if I understand it involves just one switch . Correct ?
example:
(config)#monitor session 1 source interface fa0/20
(config)#monitor session 1 destination interface fa0/25
** in case fa0/20 and fa0/25 are in separate VLANs, would the packets capturing work?
** I also would like to know when configuring RSPAN to capture traffic from source port or source Vlan on Switch1 and Destination port or Vlan on Switch 25, when there is a chain of switches between Swith1 and Switch 25, do we need to configure RSPAN on all 25 switches ?
How can this be configured ?
Thank you
example:
(config)#monitor session 1 source interface fa0/20
(config)#monitor session 1 destination interface fa0/25
** in case fa0/20 and fa0/25 are in separate VLANs, would the packets capturing work?
** I also would like to know when configuring RSPAN to capture traffic from source port or source Vlan on Switch1 and Destination port or Vlan on Switch 25, when there is a chain of switches between Swith1 and Switch 25, do we need to configure RSPAN on all 25 switches ?
How can this be configured ?
Thank you
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ex:
on Source Switch:
vlan 999
name RSPANTEST
remote-span
monitor session 1 source interface FastEthernet 0/14
monitor session 1 destination remote vlan 999
On Destination Switch
monitor session 1 source remote vlan 999
monitor session 1 destination interface FastEthernet0/30
Dow does Vlan 999 get propagated from Source to Destination switches as well as the downstream switches? do we need VTP in this case? and on each Trunk allow VLAN 999 (which I think by default all vlans are allowed)
It sounds like a project if you have not created RSPAN Vlan since the beginning of Network set up.