Network analysis tools - SPAN overview - Local SPAN

8 important questions on Network analysis tools - SPAN overview - Local SPAN

What feature allows you to instruct a switch to send copies of packets that are seen on one port to another port on the same switch.

(local) SPAN

To configure local SPAN, how do you associate the SPAN session number 1 with source port G0/1?

SW1(config)# monitor session 1 source interface Gigabit0/1

To configure local SPAN, how do you associate the SPAN session number 1 with the destination port G0/2?

SW1(config)# monitor session 1 destination interface Gigabit0/2
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What port is no longer a normal switch port—only monitored traffic passes through that port?

Span destination port

SPAN instructs the switch to copy ... that it sends and receives on GigabitEthernet 0/1 to GigabitEthernet 0/2 by configuring a SPAN session

all the traffic

What command verifies the configuration of the SPAN session?

Show monitor

SW1(config)# monitor session 1 source interface gi1/0/1 - 2 SW1(config)# monitor session 1 destination interface gi1/0/9

The source port is a trunk port, and it is important to capture Layer 2 QoS markings. What command does that?

SW1(config)# monitor session 1 destination interface Gi1/0/9 encapsulation replicate

SW1(config)# monitor session 1 filter vlan 123

Span dest port only receives + drops ingress trffc. What command enables connectivity to traff.analyzer (ie windows pc accessed through RDP, which requires port to send + receive in addition to rspan traffic). What command enables this for G1/0/2 and analyzer in vlan 123?



SW1(config)# monitor session 1 destination interface gi1/0/2 ingress untagged vlan 123

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