Configuring If-Match Clauses - HP MSR Series Configuration Manual

Step
1. Enter system view.
2. Create a routing policy and a node and
enter routing policy view.

Configuring if-match clauses

Follow these guidelines when you configure if-match clauses:
The if-match clauses of a routing policy node have a logical AND relationship. A route must satisfy
•
all if-match clauses before it can be handled by the apply clauses of the node. If an if-match
command exceeds the maximum length, multiple identical if-match clauses are generated. These
clauses have a logical OR relationship. A route only needs to match one of them.
You can specify no or multiple if-match clauses for a routing policy node. If no if-match clause is
•
specified for a permit-mode node, all routing information can pass the node. If no if-match clause
is specified for a deny-mode node, no routing information can pass the node.
If the ACL referenced by an if-match clause does not exist, the clause is always satisfied; if no rules
•
of the referenced ACL are matched or the matching rule is inactive, the clause is not satisfied.
• An ACL specified in an if-match clause must be a non-VPN ACL.
The if-match command for matching IPv4 destination, next hop, and source is different from the
•
if-match command for matching IPv6 ones.
BGP does not support criteria for matching against outbound interfaces of routing information.
•
To configure if-match clauses for a routing policy:
Step
1. Enter system view.
2. Enter routing policy view.
3. Define match criteria for IPv4 routes.
4. Match IPv6 routing information whose
next hop or source is specified in the
ACL or IP prefix list.
5. Match BGP routing information whose
AS path attribute is specified in the AS
path lists.
Command
system-view
route-policy
route-policy-name { deny |
permit } node node-number
Command
system-view
route-policy route-policy-name { deny |
permit } node node-number
•
Match IPv4 routing information
specified in the ACL:
if-match acl acl-number
•
Match IPv4 routing information
specified in the IP prefix list:
if-match ip-prefix ip-prefix-name
•
Match IPv4 routing information whose
next hop or source is specified in the
ACL or IP prefix list:
if-match ip { next-hop | route-source }
{ acl acl-number | ip-prefix
ip-prefix-name }
if-match ipv6 { address | next-hop |
route-source } { acl acl-number |
prefix-list ipv6-prefix-name }
if-match as-path
AS-PATH-number&<1-16>
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Remarks
N/A
By default, no routing policy
is created.
Remarks
N/A
N/A
Optional.
Not configured by
default.
Optional.
Not configured by
default.
Optional.
Not configured by
default.