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Multilink Frame-Relay Interface Not Coming Up After Reboot

I have two routers, 3845 and a 2851 connected to Multilink Frame-Relay connections. Running IOS 12.4(3). I am absolutely, positively sure I did a wr mem prior to a reload being issued. After the routers come up, the 3845 is a hub router, I can communicate with all my other Frame-Relay Point-to-Point links except for the Frame-Relay connection to the 2851. After troubleshooting I discover on the MFR2 interface on the 3845 the Encapsulation Frame-Relay IETF setting has disappeared. I re-enter this information on the interface and I can communicate again.

In investigating the 2851 router, it had the exact identical problem after the reboot. I had to re-enter the encapsulation frame-relay IETF configuration on the MFR interface.

Any of you cisco guys hear of this one.

As a side note I have a second MFR bundle on the 3845 and it came up with no problems.

The 2851 just has a PRI on a 1-mft-t1 and a 2-mft-t1 for the MFR bundle.

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