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Configuring an EBGP Multihop Session

If an EBGP peer is more than one hop away from the local router, you must specify the next hop to the peer so that the two systems can establish a BGP session. This type of session is called a multihop BGP session. To configure a multihop session, include the multihop statement:




multihop {
<ttl-value>;
no-nexthop-change;
}

For a list of hierarchy levels at which you can include this statement, see the statement summary section for this statement.

To configure the maximum time-to-live (TTL) value for the TTL in the IP header of BGP packets, specify ttl-value. If you do not specify a TTL value, the system’s default maximum TTL value is used. To specify not to change the BGP next-hop value for route advertisements, specify the no-nexthop-change option.

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