To look up MAC addresses on a Juniper switch (running JunOS), log on to the CLI, then type:
show ethernet-switching table brief
You can narrow down the search as well:
show ethernet-switching table brief | match 00:11:22:33:44:55
| « ‹ | September 2025 | › » | ||||
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | ||||
