ISIS LFA FRR SRLG - CISCO IOS XR

group ISIS
 router isis 'PE'
  is-type level-2-only
  log adjacency changes
  lsp-password hmac-md5 encrypted 123A2C243124 level 2
  address-family ipv4 unicast
   metric-style wide
   fast-reroute per-prefix tiebreaker lowest-backup-metric index 50
   fast-reroute per-prefix tiebreaker srlg-disjoint index 40
  !
  interface 'Lo.*'
   passive
   address-family ipv4 unicast
    tag 100
   !
  !
  interface 'Gig.*'
   point-to-point
   address-family ipv4 unicast
    fast-reroute per-prefix
   !
  !
 !
end-group

RP/0/0/CPU0:ISP2_P1#show run router isis
Wed Jan 23 21:56:51.574 UTC
router isis PE
 apply-group ISIS
 net 49.0000.0000.0000.0101.00
 interface Loopback0
 !
 interface GigabitEthernet0/0/0/1
 !
 interface GigabitEthernet0/0/0/2
 !
 interface GigabitEthernet0/0/0/3
 !
 interface GigabitEthernet0/0/0/4
 !
!

RP/0/0/CPU0:ISP2_P1#show run srlg
Wed Jan 23 21:57:04.334 UTC
srlg
 interface GigabitEthernet0/0/0/3
  2 value 10
 !
 interface GigabitEthernet0/0/0/4
  2 value 10
 !
!

MPLS mesh autotunnel

Cisco IOS XE

https://www.networkworld.com/article/2281049/lan-wan/chapter-4--cisco-mpls-traffic-engineering.html



mpls traffic-eng auto-tunnel mesh
mpls traffic-eng auto-tunnel mesh tunnel-num min 5000 max 5099

interface Auto-Template500
ip unnumbered Loopback0
tunnel mode mpls traffic-eng tunnel destination access-list 5
tunnel mpls traffic-eng autoroute destination
tunnel mpls traffic-eng affinity 0x0 mask 0x4
tunnel mpls traffic-eng path-option 10 dynamic


access-list 5 permit 8.8.8.8
access-list 5 permit 11.11.11.11


Cisco IOS XR

ipv4 unnumbered mpls traffic-eng Loopback0
!
ipv4 prefix-list PL_MESH_ENDPOINT
 10 permit 1.1.1.1/32
 20 permit 8.8.8.8/32


mpls traffic-eng
 auto-tunnel mesh
  group 500
   attribute-set ATT_NOT_BLUE
   destination-list PL_MESH_ENDPOINT
  timers removal unused 0
  tunnel-id min 5000 max 5099
 attribute-set auto-mesh ATT_NOT_BLUE
  logging events lsp-status state
  logging events lsp-status reroute
  autoroute announce
  affinity 0x0 mask 0x4