: Enables Layer 2 packet transport over an MPLS core.
The c3725-adventerprisek9-mz.124-25d.bin file is more than software. It’s a time capsule of Cisco’s modular IOS, a workhorse for thousands of labs, and proof that good engineering doesn’t always need the latest version number. c3725adventerprisek9mz12425dbin
: It is noted for its low CPU overhead during simulation once the Idle-PC value is correctly calculated, making it ideal for large lab topologies. : Enables Layer 2 packet transport over an MPLS core