Network analysis tools - Remote SPAN

13 important questions on Network analysis tools - Remote SPAN

What feature makes it possible to monitor ports spread all over the switched network with a single packet sniffer?

This setup is possible with Remote Span (RSPAN)

What supports source and destination ports on different switches?

RSPAN

Where is you rspan monitored traffic flooded into, that is dedicated for the RSPAN session in all participating switches?

into an RSPAN VLAN
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The RSPAN destination port can then be anywhere in that what?

VLAN

On some of the platforms, what needs to be specified together with an RSPAN VLAN

a reflector port

In rspan, what do we use because the ports are now on two different switches,   to transport the traffic from one switch to the other?

a special RSPAN VLAN

What additional keyword when configuring the rspan vlan?

You configure this VLAN like any other VLAN, but in addition you enter the remote-span keyword in VLAN configuration mode.

On what switches do you need to configure the dedicated rspan vlan?

You need to define this VLAN on all switches in the path.

Do rspan monitor session numbers need to be the same on every switch?

Session numbers are local to each switch, so they do not need to be the same on every switch.

Configure VLAN 100 as the RSPAN VLAN on SW2, the interface GigabitEthernet 0/2 as the destination port in session 3, and VLAN 100 as the source in session 3

SW2(config)# vlan 100 SW2(config-vlan)# name SPAN-VLAN SW2(config-vlan)# remote-span SW2(config)# monitor session 3 destination interface Gig0/2 SW2(config)# monitor session 3 source remote vlan 100

As with the local SPAN configuration, you can verify the RSPAN session configuration by using what command?

the show monitor

When verifying RSPAN, how is the session type identified on the destination switch?

The only difference is that on the source switch the session type is now identified as "Remote Source Session," while on the destination switch the type is marked as "Remote Destination Session

In RSPAN, how can you verify that the VLAN is configured correctly as an RSPAN VLAN on both switches?

. Use the show vlan remote-span

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