Troubleshooting Layer 3 VPNs

This chapter discusses the following strategies and tools for troubleshooting Layer 3 virtual private network (VPN) configurations:

• Diagnosing Common Problems
• Troubleshooting Layer 3 VPNs Using ping and traceroute
• Pinging the CE Router from Another CE Router
• Pinging the Remote PE and CE Routers from the Local CE Router
• Pinging the Directly Connected PE Routers from the CE Routers
• Pinging the Directly Connected CE Routers from the PE Routers
• Pinging the Remote CE Router from the Local PE Router
• Troubleshooting Inconsistently Advertised Routes from Gigabit Ethernet Interfaces