Hi All,

Has anyone had problems with 12.1.2T and ISDN multilink using a dialer
profile?

I upgraded a 3640 from 12.0.4.T to 12.1.2.T and while everything else
worked the multilink PPP did not.

I'll elaborate, the dialer brought up BRI3/0 and BRI3/1 and made the 4
calls one after the other like it should and bound them into a virtual
interface but then the dialer started reporting errors saying LCP not
open when all 4 channels did successfully negotiate LCP and both they
and the virtual bundle showed LCP open. The Dialer showed spoofing.

The end result no pings or traffic was working across the link.

Downgraded the IOS and it all started miraculously working again!

Only difference is IP Plus to IP Plus Firewall.

Any thoughts?

Darren



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