debugging isis spf-prc

Function

The debugging isis spf-prc command enables debugging of the spf-prc calculation process. The policy parameter can be used to filter the route calculation debugging information about the routing policy.

The undo debugging isis spf-prc command disables debugging of the spf-prc calculation process.

By default, debugging of spf-prc calculation process is disabled.

Format

debugging isis spf-prc process-id [ policy { { ip-prefix | ipv6-prefix } prefix-name | { ipv4-acl | ipv6-acl } acl-number } ]

undo debugging isis spf-prc process-id

Parameters

Parameter	Description	Value
process-id	Specifies the ID of an IS-IS process.	The value is an integer ranging from 1 to 4294967295.
policy	Specifies a routing policy.	-
ip-prefix	Specifies an IPv4 prefix.	-
ipv6-prefix	Specifies an IPv6 prefix.	-
prefix-name	Specifies the prefix list name.	The value is a string of 1 to 169 case-sensitive characters, spaces not supported.
ipv4-acl	Specifies an IPv4 ACL.	-
ipv6-acl	Specifies an IPv6 ACL.	-
acl-number	Specifies the basic ACL number.	The value is an integer ranging from 2000 to 2999.

Views

User view

Default Level

3: Management level

Task Name and Operations

Task Name	Operations
isis	debug

Usage Guidelines

Usage Scenario

The debugging isis spf-prc command enables debugging of the spf-prc calculation process. For the IS-IS SPF route processing, the policy parameter can be used to filter the route calculation debugging information about the routing policy.

Example

# Enable debugging of the spf-prc calculation process.

<HUAWEI> debugging isis spf-prc
2011-02-24 12:52:54 HUAWEI %%01isiscomm/7/ICRM_RT_PRIORITY(d):CID=2156341082;ISIS-1-PRC: The priority of 192.168.2.0/24 is 0.(MtId=0, Level=1)

**Table 1** Description of the **debugging isis spf-prc** command output
Item	Description
MtId	Multi-topology ID.
Level	IS-IS level.