I was doing this task when I configured XR1 for IPv4 Labeled-unicast with R3, XR1 stopped sending routes just it's own Loopback although it recieves all iBGP routes normally !! I spent like 30 minutes trying to reset the configuration and the box itself but no way.
RP/0/0/CPU0:XR1#show bg labels
Sun Feb 24 13:16:17.559 UTC
BGP router identifier 10.0.0.19, local AS number 1000
BGP generic scan interval 60 secs
BGP table state: Active
Table ID: 0xe0000000
BGP main routing table version 75
BGP scan interval 60 secs
Status codes: s suppressed, d damped, h history, * valid, > best
i - internal, r RIB-failure, S stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Rcvd Label Local Label
* 10.0.0.1/32 10.0.193.3 16 nolabel
*> 10.0.0.3/32 10.0.193.3 3 16008
*> 10.0.0.4/32 10.0.193.3 17 16009
*> 10.0.0.19/32 0.0.0.0 nolabel 3
Processed 4 prefixes, 4 paths
RP/0/0/CPU0:XR1#show bgp
Sun Feb 24 13:16:22.412 UTC
BGP router identifier 10.0.0.19, local AS number 1000
BGP generic scan interval 60 secs
BGP table state: Active
Table ID: 0xe0000000
BGP main routing table version 75
BGP scan interval 60 secs
Status codes: s suppressed, d damped, h history, * valid, > best
i - internal, r RIB-failure, S stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*>i10.0.0.1/32 10.0.0.5 0 110 0 2000 i
* 10.0.193.3 0 2000 i
*>i10.0.0.2/32 10.0.0.2 0 100 0 i
*> 10.0.0.3/32 10.0.193.3 0 0 2000 i
*> 10.0.0.4/32 10.0.193.3 120 0 2000 i
*>i10.0.0.5/32 10.0.0.5 0 100 0 i
*> 10.0.0.19/32 0.0.0.0 0 32768 i
*>i10.0.0.20/32 10.0.0.20 0 100 0 i
Processed 7 prefixes, 8 paths
Configuration:
router bgp 1000
address-family ipv4 unicast
network 10.0.0.19/32
allocate-label all
!
neighbor 10.0.193.3
remote-as 2000
address-family ipv4 labeled-unicast
send-community-ebgp
route-policy EBGP in
route-policy PASS out
!
!