Modifying Route Map Rules for Route Maps

On the Route Map Rules page, click the Add Rule drop-down and select Block, Allow, or Copy Rule.

1. Specify the following details for the rule:

• Rule Name: Create a name that does not exceed 64 characters in length. Use numbers, any special characters, uppercase and lowercase letters, and even spaces. Start and end the name with any character but not a space. Leading and trailing spaces will be trimmed off automatically.

• Match Conditions: Click Add, and provide the following information:

  • Type: From the Select List drop-down, select one of the following:

    • Prefix List: In the Value column, click the Select List dropdown and select a prefix list. When you configure an IPv4 prefix list, you filter BGP routes by assigning the prefix list to a neighbor rather than by using an autonomous system (AS) path filter. The process for evaluating a prefix against a prefix list ends when a match is found. For example, to disallow redistribution of a route for 10.0.0.0/24 through BGP, define an IPv4 prefix list that includes this prefix; the system will reference it from the BGP redistribution routing map.

    • Community: Use the community attribute to control the routing policy in the upstream service provider’s network. In the Value column, type in a hexadecimal value, such as 7675:80.

• Set Conditions: Click Add, and provide the following information:

  • Type: From the Select List drop-down, select one of the following:

1. Click Save.

1. Click Next, and then click Save & Close.