Cisco SCE 2000 4/8xFE Quick Start Manual page 53

Sniffing can only be configured for all links, therefore, to configure sniffing, the all-links option is required, not just
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recommended.
The default link mode is forwarding. When other link modes are selected, active service control is not available and
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any service control configuration will not be applicable.
To set the link mode, use the following command:
From the SCE 2000 (config if)# prompt, type link-mode [<link>|all-links]
[forwarding|bypass|sniffing|cutoff] and press Enter.
Monitoring the System
Use the following commands to view the current connection mode and link mode parameters.
To view the current connection mode, use the following command:
From the SCE 2000# prompt, type show interface linecard 0 connection-mode and press Enter.
To view the current link mode, use the following command:
From the SCE 2000# prompt, type show interface linecard 0 link mode and press Enter.
To view the current link mappings, use the following command:
From the SCE 2000# prompt, type show interface linecard 0 physically-connected-links and
press Enter.
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