12-14-2011 10:23 AM - edited 12-14-2011 01:56 PM
For step-by-step verification that an interface on an EX device is up, go to KB22217 - Resolution Guides - EX - Troubleshoot/Verify Interface.
These Resolution Guides, created by JTAC, cover the following types of interfaces:
- Physical Interface
- VLAN Interface
- Aggregated Ethernet Interface (LAG)
If the interface is not up, the guide will help you troubleshoot it.