Dell Force10 C150 Configuration Manual page 235

Ftos configuration guide ftos 8.4.2.7 e-series terascale, c-series, s-series (s50/s25)

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Figure 10-21. Command example: show ip bgp peer-group

FTOS>show ip bgp peer-group

Peer-group zanzibar, remote AS 65535

BGP version 4

Minimum time between advertisement runs is 5 seconds

For address family: IPv4 Unicast

BGP neighbor is zanzibar, peer-group internal,

Number of peers in this group 26

Peer-group members (* - outbound optimized):

BGP fast fall-over

By default, a BGP session is governed by the hold time. BGP routers typically carry large routing tables, so

frequent session resets are not desirable. The BGP fast fall-over feature reduces the convergence time

while maintaining stability. The connection to a BGP peer is immediately reset if a link to a directly

connected external peer fails.

When fall-over is enabled, BGP tracks IP reachability to the peer remote address and the peer local

address. Whenever either address becomes unreachable (for example, no active route exists in the routing

table for peer IPv6 destinations/local address), BGP brings down the session with the peer.

Border Gateway Protocol IPv4 (BGPv4) | 235

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