3Com 10014299 Troubleshooting GRE

644 CHAPTER 44: CONFIGURING GRE
[RouterB] ipx route 1e 1f.a.a.a tick 30000 hop 15
Troubleshooting GRE The two interfaces at both ends of the tunnel are correctly configured and
the ping operation is successful, but the ping operation between PC A and
PC B fails.
Check whether there is a route passing through the Tunnel interface, that is, on
Router A, the route to 10.2.0.0/16 passes through Tunnel0 interface; on Router B,
the route to 10.1.0.0/16 passes through Tunnel0 interface (it is implemented by
adding a static route).
Figure 206 Networking of troubleshooting GRE
Router B
Router C
PC A PC B
Router A
10.1.1.1 10.2.1.1
tunnel