Configuring a routing policy, Configuring an extended community list, Configuration prerequisites – H3C Technologies H3C S12500-X Series Switches User Manual
Page 385: Creating a routing policy
371
Step Command
Remarks
2.
Configure a community
list.
•
Configure a basic community list:
ip community-list { basic-comm-list-num | basic
basic-comm-list-name } { deny | permit }
[ community-number&<1-32> | aa:nn&<1-32> ]
[ internet | no-advertise | no-export |
no-export-subconfed ] *
•
Configure an advanced community list:
ip community-list { adv-comm-list-num | advanced
adv-comm-list-name } { deny | permit }
regular-expression
Use either method.
By default, no
community list is
configured.
437B
Configuring an extended community list
You can configure multiple items for an extended community list that is identified by a number. The
relationship between items is logic OR. A route that matches one item matches the extended community
list.
To configure an extended community list:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Configure an extended
community list.
ip extcommunity-list ext-comm-list-number { deny |
permit } { rt route-target }&<1-32>
By default, no extended
community list is
configured.
129B
Configuring a routing policy
438B
Configuration prerequisites
Configure filters and routing protocols, and determine the routing policy name, node numbers, match
criteria, and the attributes to be modified.
439B
Creating a routing policy
For a routing policy that has more than one node, configure at least one permit-mode node. A route that
does not match any node cannot pass the routing policy. If all the nodes are in deny mode, no routing
information can pass the routing policy.
To create a routing policy:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Create a routing policy and a node, and
enter routing policy node view.
route-policy
route-policy-name { deny |
permit } node node-number
By default, no routing policy
is created.