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default local-preference(IPv6 address family view)
Syntax default local-preference value
undo default local-preference
View IPv6 address family view
Parameters value: Default local preference, in the range 0 to 4294967295. The larger the
value is, the higher the preference is.
Description Use the
default local-preference command to configure the default local
preference.
Use the
undo default local-preference command to restore the default value.
By default, the default local preference is 100.
Use this command to affect IPv6 BGP route selection.
Examples # Two devices A and B in the same AS are connected to another AS. Change the
local preference of B from default value 100 to 180, making the route passing B
preferred.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv6-family
[Sysname-bgp-af-ipv6] default local-preference 180
default med (IPv6 address family view)
Syntax default med med-value
undo default med
View IPv6 address family view
Parameters med-value: MED value, in the range 0 to 4294967295.
Description Use the
default med command to specify the default MED value.
Use the
undo default med command to restore the default.
By default, the default med-value is 0.
The multi-exit discriminator (MED) is an external metric of a route. Different from
local preference, MED is exchanged between ASs and will stay in the AS once it
enters the AS. The route with a lower MED is preferred. When a router running
BGP obtains several routes with the identical destination and different next-hops
from various external peers, it will select the best route depending on the MED