- Download
Software
- Research a
Problem - Case Management
- Communities and Forums
- Contract & Product Management
- Technical Documentation Advanced Search
- Documentation Feedback Form
- Documentation Symbols Key
- End-of-Life Products
- Guidelines and Policies
- Security Resources
Juniper was the first North American IP routing vendor to achieve the prestigious TL 9000 certification by the Quality of Excellence for Suppliers of Telecommunications (QuEST) Forum in the router category, for design, development, provision and service and support.
What is J-Care?
It's the world-class service and support that you expect from a company that delivers the industry's best infrastructure and security products. With J-Care, you now have the confidence knowing that Juniper will do our part to keep you on top of the world!
- Download PDFs
-
Troubleshooting an Aggregated Ethernet Interface
Troubleshooting an Aggregated Ethernet Interface
Problem
The show interfaces terse command shows that the LAG is down:
Solution
Check the following:
- Verify that there is no configuration mismatch
- Verify that all member ports are up
- Verify that a LAG is part of family Ethernet switching (L2 LAG) or family inet (L3 LAG)
- Verify that the LAG member is connected to the correct LAG at the other end
- Verify that the LAG members belong to the same switch (or the same virtual chassis)