Disabling the Negotiation of the Local Magic Number
You can optionally disable negotiation of the local magic number. By doing so, you can prevent the router from detecting loopback configurations. You can disable negotiation from the Interface Configuration Mode, the Subinterface Configuration mode, and the Profile Configuration mode.
To disable the negotiation of the local magic number:
- (Optional) From the Interface Configuration mode, specify
the following command:host1(config-if)#ppp magic-number disable
Use the no version to restore negotiation of the local magic number.