Configuring bfd for ipv6 is-is – H3C Technologies H3C S10500 Series Switches User Manual

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To do…

Use command to…

Remarks

Configure the maximum number
of redistributed Level 1/Level 2
IPv6 routes

ipv6 import-route limit number

Optional
The default varies with

devices.

Configure the filtering of
outgoing redistributed routes

ipv6 filter-policy { acl6-number | ipv6-prefix
ipv6-prefix-name | route-policy

route-policy-name } export [ protocol

[ process-id ] ]

Optional
Not configured by
default

Enable route leaking

ipv6 import-route isisv6 level-2 into level-1
[ filter-policy { acl6-number | ipv6-prefix

ipv6-prefix-name | route-policy
route-policy-name } | tag tag ] *

Optional
Not enabled by default

Specify the maximum number of
equal-cost load balanced routes

ipv6 maximum load-balancing number

Optional
8 by default

NOTE:

The ipv6 filter-policy export command is usually combined with the ipv6 import-route command. If no

protocol is specified for the ipv6 filter-policy export command, routes redistributed from all routing

protocols are filtered before advertisement. If a protocol is specified, only routes redistributed from the

routing protocol are filtered for advertisement.

For information about ACL, see

ACL and QoS Configuration Guide.

For information about routing policy and IPv6 prefix list, see the chapter “Routing policy configuration.”

Configuring BFD for IPv6 IS-IS

Bidirectional forwarding detection (BFD) provides a mechanism to quickly detect the connectivity of links

between IPv6 IS-IS neighbors, thus to improve the convergence speed of IPv6 IS-IS.
Follow these steps to configure BFD for IPv6 IS-IS:

To do…

Use command to…

Remarks

Enter system view

system-view

––

Enable an IS-IS process and enter
IS-IS view

isis [ process-id ]

Configure the network entity title
for the IS-IS process

network-entity net

Required
Not configured by default

Enable IPv6 for the IS-IS process

ipv6 enable

Required
Disabled by default

Return to system view

quit

––

Enter interface view

interface interface-type
interface-number

––

Enable IPv6 for an IS-IS process on
the interface

isis ipv6 enable [ process-id ]

Required
Disabled by default

Enable BFD on the interface

isis ipv6 bfd enable

Required
Not enabled by default

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