Avaya X330WAN manual RIP Distribution Access Lists

Chapter 4 Operational Concepts and Configuration Examples

RIP Distribution Access Lists

RIP Distribution Access Lists consist of rules that specify how a router distributes and/or accepts RIP routing information from other routers. Before sending an update, the router consults an Access List to determine if it should include specific routes in the update. When receiving an update, the router first checks a set of rules which apply to incoming updates to determine if it should insert those routes into its routing table. You can assign the rules per interface and per direction.

Up to 99 RIP Distribution Access Lists can be configured on X330WAN.

For example: To configure a RIP Distribution Access List number 10 permitting distribution/learning of network 10.10.0.0:

1Enter the command: ip distribution access-list 10 1 permit 10.10.0.0 0.0.255.255

The default action of the Access List is “deny” and can be changed by the ip distribution access-default-actioncommand.

Note: Whenever at least one permit rule exists, distributing/learning of all the remaining networks are denied, unless specifically permitted by another rule.

2Apply the Distribution List created in step 1 by performing the following procedure within the router rip context:

—Enter the distribution-list 10 in command to apply list number 10 created in step 1 on all updates received on all interfaces.

—Enter the distribution-list 10 in FabricFastEthernet1 command to apply Access List 10 on updates received on interface ‘FabricFastEthernet1’.

—Enter the distribution-list 10 out command to apply Access List 10 to all advertised updates.

—Enter the distribution-list 10 out ospf command to apply Access List 10 to all advertised updates that were learned from OSPF (redistributed from OSPF into RIP).

If no Distribution Access List is defined, learning and/or advertising is allowed for all of the routing information. This is the default operation.

38 Avaya X330WAN User’s Guide