HP 6125G HP 6125G & 6125G/XG Blade Switches IP Multicast Configuration - Page 210
Configuring an MBGP route reflector, Layer 3-IP Routing Configuration Guide
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When you configure MBGP community, you must reference a routing policy to define the specific COMMUNITY attributes, and apply the routing policy for route advertisement. For routing policy configuration, see Layer 3-IP Routing Configuration Guide. To configure MBGP community: Step 1. Enter system view. 2. Enter BGP view. 3. Enter IPv4 MBGP address family view. Command system-view bgp as-number ipv4-family multicast Remarks N/A N/A N/A • Advertise the COMMUNITY attribute to an MBGP peer or a peer group: 4. Advertise the COMMUNITY peer { group-name | ip-address } advertise-community Use either command attribute to an MBGP peer or a peer group. • Advertise the extended community attribute to an MBGP peer or a peer group: Not configured by default. peer { group-name | ip-address } advertise-ext-community 5. Apply a routing policy to routes advertised to an MBGP peer { group-name | ip-address } route-policy Not configured by peer or a peer group. route-policy-name export default. Configuring an MBGP route reflector To guarantee the connectivity between multicast IBGP peers in an AS, you need to make them fully meshed. But this becomes unpractical when large numbers of multicast IBGP peers exist. Configuring route reflectors can solve this problem. In general, it is not required that clients of a route reflector be fully meshed. The route reflector forwards routing information between clients. If clients are fully meshed, you can disable route reflection between clients to reduce routing costs. In general, a cluster has only one route reflector, and the router ID of the route reflector identifies the cluster. You can configure multiple route reflectors to improve network stability. In this case, you need to specify the same cluster ID for these route reflectors to avoid routing loops. To configure an MBGP route reflector: Step 1. Enter system view. 2. Enter BGP view. 3. Enter IPv4 MBGP address family view. Command system-view bgp as-number ipv4-family multicast Remarks N/A N/A N/A 199
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