IPv6 Diagnostic and Troubleshooting

Debug/Syslog for IPv6

Debug Command

Syntax: [no] debug < debug-type>

Configures the types of IPv4 and IPv6 messages that are sent to Syslog servers or other debug destinations, where <debug-type> is any of the following event types:

acl

When a match occurs on an ACL “deny” statement with a log parameter, an ACL message is sent to configured debug destinations. (Default: Disabled - ACL messages for traffic that matches “deny” entries are not sent.)

all

Configures all IPv4 and IPv6 debug message types to be sent to configured debug destinations. (Default: Disabled - No debug messages are sent.)

arp-protect

Configures messages for Dynamic ARP Protection events to be sent to configured debug destinations. (Default: Disabled - No debug messages are sent.)

event

Configures Event Log messages to be sent to configured debug destinations.

Event Log messages are enabled to be automatically sent to debug destinations in the following conditions:

•If no Syslog server address is configured and you enter the logging command to configure a destination address.

•If at least one Syslog server address is configured in the startup configuration and the switch is rebooted or reset.

Event log messages are the default type of debug message sent to configured debug destinations.

ip

Configures IPv4 RIP routing messages to be sent to config­ ured debug destinations.

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