Ipv6 Summary - H3C S5820X Series Command Reference Manual

route-policy-name: Name of a route policy, a string of 1 to 19 characters.
Description
Use the ipv6 preference command to configure the preference for IPv6 IS-IS.
Use the undo ipv6 preference command to restore the default.
The default preference for IPv6 IS-IS is 15.
When a router runs multiple dynamic routing protocols at the same time, the system will assign
a preference to each routing protocol. If several protocols find routes to the same destination,
the route found by the protocol with the highest preference is selected.
Examples
# Configure the preference of IPv6 IS-IS as 20.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] ipv6 preference 20

ipv6 summary

Syntax
ipv6 summary ipv6-prefix prefix-length [ avoid-feedback | generate_null0_route | [ level-1 |
level-1-2 | level-2 ] | tag tag ] *
undo ipv6 summary ipv6-prefix prefix-length [ level-1 | level-1-2 | level-2 ]
View
IS-IS view
Default Level
2: System level
Parameters
ipv6-prefix: IPv6 prefix of the summary route.
prefix-length: Length of the IPv6 prefix, in the range of 0 to 128.
avoid-feedback: Specifies to avoid learning summary routes via routing calculation.
generate_null0_route: Generates the NULL 0 route to avoid routing loops.
level-1: Specifies to summarize only the routes redistributed to Level-1 area.
level-1-2: Specifies to summarize all the routes redistributed to Level-1 and Level-2 areas.
level-2: Specifies to summarize only the routes redistributed to Level-2 area.
tag: Value of a tag, in the range of 1 to 4294967295.
If no level is specified in the command, the default is level-2.
Description
Use the ipv6 summary command to configure an IPv6 IS-IS summary route.
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