Specifications

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
53
DETAILED STEPS
Configuring the Switched Port Analyzer (SPAN)
This section describes how to configure a switched port analyzer (SPAN) session for an EtherSwitch
HWIC.
• Configuring the SPAN Sources, page 54
• Configuring SPAN Destinations, page 54
• Configuring Power Management on the Interface, page 56
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
clear cdp counters
Example:
Router# clear cdp counters
(Optional) Resets the traffic counters to zero.
Step 3
clear cdp table
Example:
Router# clear cdp table
(Optional) Deletes the CDP table of information about
neighbors.
Step 4
show cdp
Example:
Router# show cdp
(Optional) Verifies global information such as frequency of
transmissions and the holdtime for packets being transmitted.
Step 5
show cdp entry entry_name [protocol | version]
Example:
Router# show cdp entry newentry
(Optional) Verifies information about a specific neighbor.
• The display can be limited to protocol or version
information.
Step 6
show cdp interface interface-id
Example:
Router# show cdp interface 0/1/1
(Optional) Verifies information about interfaces on which
CDP is enabled.
Step 7
show cdp neighbors interface-id [detail]
Example:
Router# show cdp neighbors 0/1/1
(Optional) Verifies information about neighbors.
• The display can be limited to neighbors on a specific
interface and can be expanded to provide more detailed
information.
Step 8
show cdp traffic
Example:
Router# show cdp traffic
(Optional) Verifies CDP counters, including the number of
packets sent and received and checksum errors.