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FRR Flag
Backup Bandwidth Type: -
Route Pinning
Retry Limit
Reoptimization
Backup Type
Auto Bandwidth
Min Bandwidth
Collected Bandwidth
# Execute the display ip routing-table command on Router A to verify that a static route entry with
interface Tunnel 1 as the output interface exists. (Details not shown.)
RSVP GR configuration example
Network requirements
Router A, Router B, and Router C run IS-IS, and all of them are Layer 2 devices.
Use RSVP-TE to establish a TE tunnel from Router A to Router C.
Configure RSVP GR on the routers to ensure continuous forwarding when a router reboots.
Figure 44 Network diagram
Loop0
1.1.1.9/32
GE2/0/1
10.1.1.1/24
Router A
Configuration procedure
1.
Configure IP addresses and masks for interfaces. (Details not shown.)
2.
Configure IS-IS to advertise interface addresses, including the loopback interface address.
(Details not shown.)
3.
Configure an LSR ID, enable MPLS, MPLS TE, RSVP, and RSVP hello extension:
# Configure Router A.
<RouterA> system-view
[RouterA] mpls lsr-id 1.1.1.9
[RouterA] mpls te
[RouterA-te] quit
[RouterA] rsvp
[RouterA-rsvp] quit
[RouterA] interface gigabitethernet 2/0/1
[RouterA-GigabitEthernet2/0/1] mpls enable
[RouterA-GigabitEthernet2/0/1] mpls te enable
[RouterA-GigabitEthernet2/0/1] rsvp enable
[RouterA-GigabitEthernet2/0/1] rsvp hello enable
[RouterA-GigabitEthernet2/0/1] quit
# Configure Router B.
<RouterB> system-view
: Disabled
: Disabled
: 10
: Disabled
: None
: Disabled
: -
: -
Loop0
2.2.2.9/32
GE2/0/1
GE2/0/2
10.1.1.2/24
20.1.1.1/24
Router B
Backup Bandwidth Flag: Disabled
Backup Bandwidth
Retry Interval
Reoptimization Freq
Backup LSP ID
Auto Bandwidth Freq
Max Bandwidth
Loop0
3.3.3.9/32
GE2/0/1
20.1.1.2/24
Router C
179
: -
: 2 sec
: -
: -
: -
: -
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