containerlab - ceosmpls

Arista cEOS MPLS Test in containerlab ceosmpls

Sample config and setup, used to test mpls forwarding support in Arista cEOS with containerlab.

The details of the config are the outcome of the Arista user manual and the collaboration in this thread

Demo

Pre-Requisite

Clone the repository

lab@ubuntu1804:~/clab$ sudo git clone https://github.com/hmntsharma/clab-ceosmpls.git
Cloning into 'clab-ceosmpls'...
remote: Enumerating objects: 266, done.
remote: Counting objects: 100% (266/266), done.
remote: Compressing objects: 100% (229/229), done.
remote: Total 266 (delta 32), reused 238 (delta 17), pack-reused 0
Receiving objects: 100% (266/266), 16.94 MiB | 3.65 MiB/s, done.
Resolving deltas: 100% (32/32), done.
lab@ubuntu1804:~/clab$ cd clab-ceosmpls/
lab@ubuntu1804:~/clab/clab-ceosmpls$ ll
total 32
drwxr-xr-x 6 root root 4096 Mar 22 15:40 ./
drwxrwxr-x 7 lab  lab  4096 Mar 22 15:40 ../
-rw-r--r-- 1 root root  633 Mar 22 15:40 ceosmpls.yml
drwxr-xr-x 5 root root 4096 Mar 22 15:40 clab-ceosmpls/
drwxr-xr-x 8 root root 4096 Mar 22 15:40 .git/
drwxr-xr-x 2 root root 4096 Mar 22 15:40 PC1/
drwxr-xr-x 2 root root 4096 Mar 22 15:40 PC3/
-rw-r--r-- 1 root root  476 Mar 22 15:40 README.md

Deploy the lab

lab@ubuntu1804:~/clab/clab-ceosmpls$ sudo clab deploy -t ceosmpls.yml
INFO[0000] Containerlab v0.25.0 started
INFO[0000] Parsing & checking topology file: ceosmpls.yml
INFO[0000] Creating lab directory: /home/lab/clab/clab-ceosmpls/clab-ceosmpls
INFO[0000] Creating docker network: Name="clab", IPv4Subnet="172.20.20.0/24", IPv6Subnet="2001:172:20:20::/64", MTU="1500"
INFO[0000] Creating container: "PC1"
INFO[0000] config file '/home/lab/clab/clab-ceosmpls/clab-ceosmpls/R1/flash/startup-config' for node 'R1' already exists and will not be generated/reset
INFO[0000] Creating container: "R1"
INFO[0000] config file '/home/lab/clab/clab-ceosmpls/clab-ceosmpls/R3/flash/startup-config' for node 'R3' already exists and will not be generated/reset
INFO[0000] Creating container: "R3"
INFO[0000] config file '/home/lab/clab/clab-ceosmpls/clab-ceosmpls/R2/flash/startup-config' for node 'R2' already exists and will not be generated/reset
INFO[0000] Creating container: "R2"
INFO[0000] Creating container: "PC3"
INFO[0003] Creating virtual wire: R3:eth3 <--> PC3:eth3
INFO[0004] Creating virtual wire: R1:eth3 <--> PC1:eth3
INFO[0005] Creating virtual wire: R2:eth2 <--> R3:eth2
INFO[0005] Creating virtual wire: R1:eth1 <--> R2:eth1
INFO[0005] Running postdeploy actions for Arista cEOS 'R3' node
INFO[0005] Running postdeploy actions for Arista cEOS 'R1' node
INFO[0005] Running postdeploy actions for Arista cEOS 'R2' node
INFO[0045] Adding containerlab host entries to /etc/hosts file
INFO[0045] 🎉 New containerlab version 0.25.1 is available! Release notes: https://containerlab.dev/rn/0.25/#0251
Run 'containerlab version upgrade' to upgrade or go check other installation options at https://containerlab.dev/install/
+---+------+--------------+-------------------------+-------+---------+----------------+----------------------+
| # | Name | Container ID |          Image          | Kind  |  State  |  IPv4 Address  |     IPv6 Address     |
+---+------+--------------+-------------------------+-------+---------+----------------+----------------------+
| 1 | PC1  | 3bb4e24ebc04 | wbitt/network-multitool | linux | running | 172.20.20.3/24 | 2001:172:20:20::3/64 |
| 2 | PC3  | c618bc774a04 | wbitt/network-multitool | linux | running | 172.20.20.4/24 | 2001:172:20:20::4/64 |
| 3 | R1   | d5ec388a9a97 | ceos:4.27.2F            | ceos  | running | 172.20.20.6/24 | 2001:172:20:20::6/64 |
| 4 | R2   | fdb0981cbfe5 | ceos:4.27.2F            | ceos  | running | 172.20.20.5/24 | 2001:172:20:20::5/64 |
| 5 | R3   | 4bdbc487b88f | ceos:4.27.2F            | ceos  | running | 172.20.20.2/24 | 2001:172:20:20::2/64 |
+---+------+--------------+-------------------------+-------+---------+----------------+----------------------+
lab@ubuntu1804:~/clab/clab-ceosmpls$

Ping PC1 to PC3

End to End communication using mpls data-plane.

lab@ubuntu1804:~/clab/clab-ceosmpls$ sudo docker exec PC1 ping -c4 192.168.200.1
PING 192.168.200.1 (192.168.200.1) 56(84) bytes of data.
64 bytes from 192.168.200.1: icmp_seq=1 ttl=61 time=25.4 ms
64 bytes from 192.168.200.1: icmp_seq=2 ttl=61 time=29.8 ms
64 bytes from 192.168.200.1: icmp_seq=3 ttl=61 time=25.5 ms
64 bytes from 192.168.200.1: icmp_seq=4 ttl=61 time=25.9 ms

--- 192.168.200.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3004ms
rtt min/avg/max/mdev = 25.395/26.671/29.818/1.826 ms
lab@ubuntu1804:~/clab/clab-ceosmpls$