With regard to this config:
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interface Serial0/0/0.16 point-to-point
bandwidth 512
ip address 192.168.79.2 255.255.255.0
frame-relay interface-dlci 16 protocol ip 192.168.79.1
class test512
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If you wish to change the class applied to the DLCI, the router outputs the following message...
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%Can't add another VC to point-to-point subinterface
(This is with 12.3 IOS - didn't used to happen with 12.2 IOS)
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You can ignore this at the CLI and successfully apply a new class such as "class test768". This is OK until you need to deploy a QoS-related class with QoS Policy Manager (QPM). The error returned during the frame relay configuration causes the QPM job to fail and the new class is not applied.
Any ideas for a workaround?
Cheers, SteveK.