Lab – Bridge Troll

Verify RTR4 has reachability to RTR1’s Loopback. Log into RTR4 and advertise its loopback into OSPF. The password is the smallest MTU configured along the path.

Uploaded: July 14, 2026

SHA-256: d64b1bc5daa354cd6f056502d75a51c3a599b95292a0af0905ea176801e075c7

Download is zip containing YAML lab file

BRIDGE_TROLL -CMLDownload

CML Free (IOL)

SHA-256: fc3e9f9cb374a620571c9d4c30479e301fb0bd0887a2abee6e5d7aa017bf264a

Download is zip containing YAML lab file.

BRIDGE_TROLL -CML Free.yamlDownload

SHA-256: 67fc22ecc5bbdc287d0500a10be48fa9245ec28114016ab9eb9bbea2e0f798f9

Download is a zip containing UNL lab file

Bridge Troll EVEDownload

SHA-256:

Download is zip containing portable lab file

  • To verify RTR4 has connectivity to RTR1’s loopback issue the command ping 34.1.1.4 source lo0 on RTR1. This will activate a script that allows you to SSH into RTR4.
  • To get the mtu, issue the command ping 34.1.1.4 size {size} df-bit. Repeat until your find a value the smallest value that works.

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