Riverbed SteelHead 3070-SD, User Manual

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Configuring BGP and OSPF Routing Policies on SteelHead SD | 73
Creating routing community lists
5. To define the prefixes for the list, select the list in the IPv4 Prefix List page.
Figure 8-3. Defining IPv4 prefixes list
6. Click Allow to distribute only the specified prefixes and deny the rest. Click Deny to stop distribution
of the prefixes specified and allow the rest.
7. Click Add Prefix .
Figure 8-4. Adding a prefix
8. Enter the IP prefix designated for the range of addresses to distribute. Use the format: xxx.xxx.xxx.xxx/
xx
9. Click Submit .
Tip: Click Actions to delete a list.
Creating routing community lists
A BGP community is a group of routes to which a BGP router applies the same policies. You specify the
name of the community list and a string that contains values only from a predefined set of keywords and
numbers. For details on how community lists is used in BGP path selection, see
“Configuring BGP path
selection” on page 45 .
To create a community list
1. Choose Routing > Community Lists.
2. Click Add Community List .
Figure 8-5. Creating a community list
3. Enter a descriptive name for the community list.