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Is-is gr configuration example – H3C Technologies H3C S12500-X Series Switches User Manual

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Step Command

Remarks

2.

Enter BGP view or BGP-VPN

instance view.

Enter BGP view:
bgp as-number

Enter BGP-VPN instance view:

a.

bgp as-number

b.

ip vpn-instance
vpn-instance-name

N/A

3.

Enable BGP to establish an

EBGP session to an
indirectly-connected peer or

peer group and specify the

maximum hop count.

peer { group-name | ip-address }
ebgp-max-hop [ hop-count ]

By default, BGP cannot establish
an EBGP session to an

indirectly-connected peer or peer

group.

To enable BGP to establish an indirect EBGP session (IPv6):

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter BGP view or BGP-VPN
instance view.

Enter BGP view:
bgp as-number

Enter BGP-VPN instance view:

a.

bgp as-number

b.

ip vpn-instance

vpn-instance-name

N/A

3.

Enable BGP to establish an
EBGP session to an

indirectly-connected peer or
peer group and specify the

maximum hop count.

peer { group-name |
ipv6-address
} ebgp-max-hop

[ hop-count ]

By default, BGP cannot establish
an EBGP session to an
indirectly-connected peer or peer

group.

329B

Enabling immediate reestablishment of direct EBGP
connections upon link failure

When the link to a directly-connected EBGP peer goes down, the router does not reestablish a session to
the peer until the hold time timer expires. This feature enables BGP to immediately recreate the session

in that situation. When this feature is disabled, route flapping does not affect EBGP session state.
To enable immediate reestablishment of direct EBGP connections:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter BGP view.

bgp as-number

N/A

3.

Enable immediate reestablishment of

direct EBGP connections upon link
failure.

ebgp-interface-sensitive

By default, this feature is
enabled.

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