117
Tunnel mode : -
Reverse-LSP name : -
Reverse-LSP LSR ID : - Reverse-LSP Tunnel ID: -
Class Type : CT0 Tunnel Bandwidth : 0 kbps
Reserved Bandwidth : 0 kbps
Setup Priority : 7 Holding Priority : 7
Affinity Attr/Mask : 0/0
Explicit Path : exp1
Backup Explicit Path : -
Metric Type : TE
Record Route : Enabled Record Label : Enabled
FRR Flag : Enabled Bandwidth Protection : Disabled
Backup Bandwidth Flag: Disabled Backup Bandwidth Type: -
Backup Bandwidth : -
Bypass Tunnel : No Auto Created : No
Route Pinning : Disabled
Retry Limit : 3 Retry Interval : 2 sec
Reoptimization : Disabled Reoptimization Freq : -
Backup Type : None Backup LSP ID : -
Auto Bandwidth : Disabled Auto Bandwidth Freq : -
Min Bandwidth : - Max Bandwidth : -
Collected Bandwidth : -
5. Configure auto FRR on Switch B (the PLR):
# Enable the automatic bypass tunnel setup function globally.
[SwitchB] mpls te
[SwitchB-te] auto-tunnel backup
# Specify interface numbers 50 to 100 for the automatically created bypass tunnels.
[SwitchB-te-auto-bk] tunnel-number min 50 max 100
[SwitchB-te-auto-bk] quit
Verifying the configuration
# Execute the display interface tunnel brief on Switch B. The output shows that two tunnels have
been created automatically.
[SwitchB] display interface tunnel brief
Brief information on interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
Tun50 UP UP --
Tun51 UP UP --
# Execute the display mpls te tunnel-interface command on Switch B to display information about
Tunnel 50 and Tunnel 51. The output shows that Tunnel 50 and Tunnel 51 are automatically created
bypass tunnels. Tunnel 50 is a node-protection bypass tunnel (egress LSR ID is 4.4.4.4, the LSR ID
of Switch D). Tunnel 51 is a link-protection bypass tunnel (egress LSR ID is 3.3.3.3, the LSR ID of
Switch C).
[SwitchB] display mpls te tunnel-interface tunnel 50
Tunnel Name : Tunnel 50
Tunnel State : Up (Main CRLSP up, Shared-resource CRLSP down)
Tunnel Attributes :
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