Cisco ASR 900 Series User Manual

mpls ip
mpls traffic-eng tunnels
ip rsvp bandwidth 200000 120000 sub-pool 120000
ip rsvp signalling hello graceful-restart
Enable the SRLG on the Flex LSP tunnel:
!
interface Tunnel1
bandwidth 100000
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 54.4.4.4
tunnel mpls traffic-eng autoroute announce
tunnel mpls traffic-eng priority 7 7
tunnel mpls traffic-eng bandwidth 100000000
tunnel mpls traffic-eng path-option 1 explicit name SRLG
tunnel mpls traffic-eng path-option protect 1 diverse srlg lockdown
tunnel mpls traffic-eng bidirectional association id 1 source-address 52.2.2.2 global-id 1
tunnel mpls traffic-eng bidirectional association type co-routed fault-oam wrap-protection
To enable explicit path SRLG:
ip explicit-path name SRLG enable
exclude-srlg 102.103.1.1
Verifying the Flex LSP SRLG and Exclude Option
To view the SRLG values in the topology:
Router# show mpls traffic-eng topology 52.2.2.2
IGP Id: 52.2.2.2, MPLS TE Id:52.2.2.2 Router Node (ospf 1 area 0) id 16
link[0]: Broadcast, DR: 102.104.2.2, nbr_node_id:17, gen:54, nbr_p:4640A034
frag_id: 2, Intf Address: 102.104.2.1
TE metric: 1, IGP metric: 1, attribute flags: 0x0
SRLGs: None
physical_bw: 1000000 (kbps), max_reservable_bw_global: 200000 (kbps)
max_reservable_bw_sub: 120000 (kbps)
Global Pool Sub Pool
Total Allocated Reservable Reservable
BW (kbps) BW (kbps) BW (kbps)
--------------- ----------- ----------
bw[0]: 0 200000 120000
bw[1]: 0 200000 120000
bw[2]: 0 200000 120000
bw[3]: 0 200000 120000
bw[4]: 0 200000 120000
bw[5]: 0 200000 120000
bw[6]: 0 200000 120000
bw[7]: 0 200000 120000
link[1]: Broadcast, DR: 102.103.1.2, nbr_node_id:13, gen:54, nbr_p:4640A36C
frag_id: 1, Intf Address: 102.103.1.1
TE metric: 1, IGP metric: 1, attribute flags: 0x0
SRLGs: 10 20 30 40 50
physical_bw: 1000000 (kbps), max_reservable_bw_global: 200000 (kbps)
max_reservable_bw_sub: 120000 (kbps)
Router# show mpls traffic-eng link-management advertisements
Flooding Status: ready
Configured Areas: 1
IGP Area[1] ID:: ospf 1 area 0
System Information::
Flooding Protocol: OSPF
Header Information::
IGP System ID: 52.2.2.2
MPLS TE Router ID: 52.2.2.2
Flooded Links: 2
Link ID:: 0 (GigabitEthernet0/3/0)
Link Subnet Type: Broadcast
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
152
Flex LSP Overview
Flex LSP SRLG and Exclude Option for Explicit Path

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English