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When a router runs multiple routing protocols at the same time, the system will configure a preference
to each routing protocol. If several protocols find routes to the same destination, the route of the
routing protocol with the highest preference is selected.
Examples
# Configure the preference of IS-IS as 25.
<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] preference 25
reset isis all
Syntax
reset isis all
[
process-id
|
vpn-instance vpn-instance-name
]
View
User view
Default Level
3: Manage level
Parameters
process-id
: Clears the data structure information of an IS-IS process numbered from 1 to 65535.
vpn-instance vpn-instance-name
: Clears the data structure information of a VPN instance named
with a string of 1 to 31 characters.
Description
Use the
reset isis all
command to clear all IS-IS data structure information.
No data structure information is cleared by default.
This command is used when the LSP needs to be updated immediately. For example, after performing
the
area-authentication-mode
and
domain-authentication-mode
commands, you can use this
command to clear old LSPs.
Related commands:
area-authentication-mode
,
domain authentication-mode.
Examples
# Clear all IS-IS data structure information.
<Sysname> reset isis all
reset isis peer
Syntax
reset isis peer
system-id
[
process-id
|
vpn-instance vpn-instance-name
]
View
User view
Default Level
3: Manage level
