Switch Management Commands 2058
debug vpc
Use the debug vpc command to enable debug traces for the specified
protocols. Use the no form of the command to disable all or some of the
debug trace display.
Syntax
debug vpc {peer-keepalive [packet]| peer-link {control-message | data-
message} | peer detection | core}
no debug vpc [{peer-keepalive [packet]| peer-link {control-message | data-
message} | peer detection | core]
• peer-keepalive—Displays the debug traces for the keepalive state
machine transitions. The packet option enables debug traces for the
keepalive packets exchanged between the MLAG peer devices on the
peer link.
• peer-link—In error cases, enables the debug traces for the control
messages or data messages exchanged between the MLAG devices on
the peer link.
• peer detection—Enables the debug traces dual control plane detection
protocol. Traces are seen when DCPDP state changes occur
(enable/disable, peer detected…).
• core—Displays the MLAG core messages.
Default Configuration
This command has no default configuration.
Command Modes
Global Configuration mode
User Guidelines
Debug commands should be used with caution. Switch behavior may be
adversely affected by the additional processing load incurred by enabling
debug output.
Example
console#debug vpc peer-link data-message
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