Segment Routing
Topology and IP addresses as per the repo
xrd-7(PCE)
/ \
xrd-3 --- xrd-4
/ | | \
src --- xrd-1 | | xrd-2 --- dst
\ | | /
xrd-5 --- xrd-6
\ /
xrd-8(vRR)
IP addresses
source: 10.1.1.2
xrd-1-GE2 (left ): 10.1.1.3
xrd-2-GE2 (right): 10.3.1.2
dest: 10.3.1.3
XR-Compose
Run the xr-compose script to generate the docker-compose.yml from the docker-compose.xr.yml
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo ~/xr-compose -i localhost/ios-xr:7.7.1
INFO - Writing output docker-compose YAML to docker-compose.yml
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
Note: I copied the xrd-tools scripts in the home directory
Launch Topology
Launch the topology with docker-compose
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo docker-compose up -d
Creating network "segment-routing_xrd-2-dest" with the default driver
Creating network "segment-routing_source-xrd-1" with the default driver
Creating network "segment-routing_mgmt" with the default driver
Creating network "xrd-1-gi0-xrd-3-gi2" with the default driver
Creating network "xrd-1-gi1-xrd-5-gi2" with the default driver
Creating network "xrd-2-gi0-xrd-4-gi2" with the default driver
Creating network "xrd-2-gi1-xrd-6-gi2" with the default driver
Creating network "xrd-3-gi0-xrd-4-gi0" with the default driver
Creating network "xrd-3-gi1-xrd-5-gi1" with the default driver
Creating network "xrd-3-gi3-xrd-7-gi0" with the default driver
Creating network "xrd-4-gi1-xrd-6-gi1" with the default driver
Creating network "xrd-4-gi3-xrd-7-gi1" with the default driver
Creating network "xrd-5-gi0-xrd-6-gi0" with the default driver
Creating network "xrd-5-gi3-xrd-8-gi0" with the default driver
Creating network "xrd-6-gi3-xrd-8-gi1" with the default driver
Creating volume "xrd-1" with default driver
Creating volume "xrd-2" with default driver
Creating volume "xrd-3" with default driver
Creating volume "xrd-4" with default driver
Creating volume "xrd-5" with default driver
Creating volume "xrd-6" with default driver
Creating volume "xrd-7" with default driver
Creating volume "xrd-8" with default driver
Creating xrd-7 ... done
Creating xrd-5 ... done
Creating xrd-4 ... done
Creating xrd-8 ... done
Creating source ... done
Creating xrd-3 ... done
Creating xrd-1 ... done
Creating xrd-2 ... done
Creating xrd-6 ... done
Creating dest ... done
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
Give it another 3 to 4 minutes for the topology to become ready and all the protocols to converge to establish end to end connectivty.
Containers
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1cde11703e27 alpine:3.15 "/bin/sh -c 'ip rout…" About a minute ago Up About a minute dest
9fc07e38d183 localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-1
2e24e776c2c3 localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-2
ee5543a989d3 localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-6
d3313d61ad20 localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-4
5a1a4f85aa4f localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-3
63605a31c730 localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-8
8a58dc7a2b52 alpine:3.15 "/bin/sh -c 'ip rout…" About a minute ago Up About a minute source
5857e851579c localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-7
e895f5dffb1b localhost/ios-xr:7.7.1 "/bin/sh -c /sbin/xr…" About a minute ago Up About a minute xrd-5
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
Container Networks
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo docker network ls
NETWORK ID NAME DRIVER SCOPE
6e695b3d51ed bridge bridge local
3fa096a64551 host host local
98eac983e612 none null local
f77fc08c8ad3 segment-routing_mgmt bridge local
47546614c0f5 segment-routing_source-xrd-1 bridge local
7122494bf9c0 segment-routing_xrd-2-dest bridge local
43b203d3505f xrd-1-gi0-xrd-3-gi2 bridge local
9c4b04abad23 xrd-1-gi1-xrd-5-gi2 bridge local
843d61caa800 xrd-2-gi0-xrd-4-gi2 bridge local
f6406a95c2d1 xrd-2-gi1-xrd-6-gi2 bridge local
6ee4c5354bd5 xrd-3-gi0-xrd-4-gi0 bridge local
9cd5784fcfff xrd-3-gi1-xrd-5-gi1 bridge local
a85d98350feb xrd-3-gi3-xrd-7-gi0 bridge local
4ffa878ef578 xrd-4-gi1-xrd-6-gi1 bridge local
2e3c61a683c9 xrd-4-gi3-xrd-7-gi1 bridge local
b271075062d5 xrd-5-gi0-xrd-6-gi0 bridge local
eba72e670769 xrd-5-gi3-xrd-8-gi0 bridge local
86805bf51a09 xrd-6-gi3-xrd-8-gi1 bridge local
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
End to End Network Reachability
As per the docker-compose comments, The IP on source is 10.1.1.2 and on dest is 10.3.1.3
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo docker exec source traceroute 10.3.1.3
traceroute to 10.3.1.3 (10.3.1.3), 30 hops max, 46 byte packets
1 xrd-1.segment-routing_source-xrd-1 (10.1.1.3) 8.898 ms 1.140 ms 0.974 ms
2 100.101.103.103 (100.101.103.103) 11.935 ms 6.642 ms 6.495 ms
3 100.103.104.104 (100.103.104.104) 9.953 ms 6.934 ms 6.743 ms
4 100.102.104.102 (100.102.104.102) 8.341 ms 5.984 ms 6.157 ms
5 10.3.1.3 (10.3.1.3) 11.020 ms 7.204 ms 7.406 ms
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
Shutdown Topology
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$ sudo docker-compose down
Stopping dest ... done
Stopping xrd-1 ... done
Stopping xrd-2 ... done
Stopping xrd-6 ... done
Stopping xrd-4 ... done
Stopping xrd-3 ... done
Stopping xrd-8 ... done
Stopping source ... done
Stopping xrd-7 ... done
Stopping xrd-5 ... done
Removing dest ... done
Removing xrd-1 ... done
Removing xrd-2 ... done
Removing xrd-6 ... done
Removing xrd-4 ... done
Removing xrd-3 ... done
Removing xrd-8 ... done
Removing source ... done
Removing xrd-7 ... done
Removing xrd-5 ... done
Removing network segment-routing_xrd-2-dest
Removing network segment-routing_source-xrd-1
Removing network segment-routing_mgmt
Removing network xrd-1-gi0-xrd-3-gi2
Removing network xrd-1-gi1-xrd-5-gi2
Removing network xrd-2-gi0-xrd-4-gi2
Removing network xrd-2-gi1-xrd-6-gi2
Removing network xrd-3-gi0-xrd-4-gi0
Removing network xrd-3-gi1-xrd-5-gi1
Removing network xrd-3-gi3-xrd-7-gi0
Removing network xrd-4-gi1-xrd-6-gi1
Removing network xrd-4-gi3-xrd-7-gi1
Removing network xrd-5-gi0-xrd-6-gi0
Removing network xrd-5-gi3-xrd-8-gi0
Removing network xrd-6-gi3-xrd-8-gi1
lab@xrdlab:~/github/xrd-tools/samples/xr_compose_topos/segment-routing$
After Some time, I will take another look at the XRd outputs. So far, it is very promising!