Something is definitely wrong. You could have accidently put the same ip address on both sides. The PVC's also could not be set up right. Also, are you using IETF.
You might want to start by doing a "debug IP packet" do see what is happening to the IP packets. If they appear to go out OK, you will want to do the same on the destination to see if the packets ever get there.
i have checked the ip addresses and they are correct.
Its a 10.31.100.160/30 subnet on a 255.255.255.252
mask.Thats all fine.I have also tried the debug ip packet on the ip address i am pinging on the other side.I can see the packets going out the interface.
They are sending,but not receiving anything back.
Unfortunately we cannot acces the remote routerdo see if the packets are getting there,but the config has been checked for the remote router and that is fine.We had a copy of the config.Looks like we might need an engineer to go to the other side of the link.i was just a bit confused as to why i could not ping my own interface,but i could ping others.
Make sure that line and protocol are up on the sub-interface. Make sure that the DLCI for this circuit in active on the main interface. Check the port speed of the DLCI. Recheck the configuration of the sub-interface. If all of this is correct have the frame provider check the mapping, PVC, DLCI, port speed, and LMI at both ends of the circuit.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
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