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CLI Commands
This section presents CLI commands relevant to the configuration and monitoring of a redundant system.
Use the following commands to configure and monitor a redundant system:
• connection-mode
• [no] force failure-condition
• Show interface linecard ‘number’ connection-mode
• Show interface linecard ‘number’ physically-connected-links
Topology-Related Parameters for Redundant Topologies
All four of the topology-related parameters are required when configuring a redundant topology.
• Connection mode: Redundancy is achieved by cascading two SCE 2000s. Therefore the connection mode for both
SCE 2000s may be either:
• Inline-cascade
• Receive-only-cascade
• Physically-connected-links: For each of the cascaded SCE 2000s, this parameter defines the number of the link
(Link 0 or Link 1) connected to this SCE 2000.
• Priority: For each of the cascaded SCE 2000s, this parameter defines whether it is the primary or secondary device.
• On-failure: For each of the cascaded SCE 2000s, this parameter determines whether the system cuts the traffic or
bypasses it when the SCE 2000 either has failed or is booting.
Configuring the Connection Mode
Use the following command to configure the connection mode, including the following parameters:
• inline/receive only
• physically connected links
• behavior upon failure of the SCE 2000
• primary/secondary
To configure the connection mode:
Step 1 From the SCE 2000(config if)# prompt, type connection-mode inline-cascade/receive-
only-cascade [physically-connected-links {link-0/link-1}] [priority
{primary/secondary}] [on-failure {bypass/cutoff}] and press Enter.
EXAMPLE 1
Use the following command to configure the primary SCE 2000 in a two-SCE 2000 inline topology. Link 1 is connected
to this SCE 2000 SCE 2000 and the behavior of the SCE 2000 if a failure occurs is bypass.
SCE 2000(config if)# connection-mode inline-cascade physically-connected-links link-1
priority primary on-failure bypass