PHP will happen as they are back to back in your topology. The range on XR is between 16000-23999. Anything above the range will not be installed (16000+15001 = 31001).
Cheers, -Mohan On Sun, Sep 13, 2015 at 4:44 AM, Mohammad Khalil <[email protected]> wrote: > Hi all > I came across segment routing and tried to simulate it using the below > topology > CE1 -- XR1 -- XR2 -- CE2 > > ISIS is the running IGP between the XR boxes and below is the relevant > configuration > > XR1 > router isis 1 > is-type level-2-only > net 49.0001.0000.0000.0010.00 > address-family ipv4 unicast > metric-style wide > segment-routing mpls > ! > interface Loopback0 > address-family ipv4 unicast > prefix-sid index 1001 > ! > ! > interface GigabitEthernet0/0/0/0 > address-family ipv4 unicast > > XR2 > router isis 1 > is-type level-2-only > net 49.0001.0000.0000.0020.00 > address-family ipv4 unicast > metric-style wide > segment-routing mpls > ! > interface Loopback0 > address-family ipv4 unicast > prefix-sid index 1002 > ! > ! > interface GigabitEthernet0/0/0/0 > address-family ipv4 unicast > > XR1 > router bgp 1 > address-family vpnv4 unicast > ! > neighbor 20.20.20.20 > remote-as 1 > update-source Loopback0 > address-family vpnv4 unicast > ! > ! > vrf MSSK > rd 1:1 > address-family ipv4 unicast > redistribute connected > > XR2 > RP/0/0/CPU0:Clone#sh run router bgp > Sun Sep 13 11:37:16.085 UTC > router bgp 1 > address-family vpnv4 unicast > ! > neighbor 10.10.10.10 > remote-as 1 > update-source Loopback0 > address-family vpnv4 unicast > ! > ! > vrf MSSK > rd 1:1 > address-family ipv4 unicast > redistribute connected > > The issue is that I cannot any labels imposed : > RP/0/0/CPU0:XRnew#sh cef 20.20.20.20/32 | inc labels > Sun Sep 13 11:37:37.416 UTC > local label 17002 labels imposed {ImplNull} > > RP/0/0/CPU0:Clone#sh cef 10.10.10.10/32 | inc labels > Sun Sep 13 11:37:54.372 UTC > local label 17001 labels imposed {ImplNull} > > Another weird issue am facing is that when I change the prefix-sid index on > both XR boxes to (15001 , 15002 respectively) , no labels are shown at all > > RP/0/0/CPU0:XRnew#sh cef 20.20.20.20/32 | inc labels > Sun Sep 13 11:38:47.211 UTC > > Any ideas guys? > > Thanks > > BR, > Mohammad > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
