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Class Of Restriction (COR) Lab Using GNS3


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Class Of Restriction (COR) Lab Using GNS3

- First Keep in mind the following:

Each dial-peer or phone-dn can have one incoming COR list and one outgoing COR list:
- Incoming COR list means: the dial-peer or the phone can initiate calls or not.
- outgoing COR list means: who can call this dial-peer or phone or not.
- If no incoming COR list: this means that the dial-peer or the phone can call any one. Regardless of the outgoing COR setting on the phone called
- if no outgoing COR list: this means that anyone can call this dial-peer or phone regardless if the phone calling has an incoming COR set or not.
- If the incoming COR list is a superset or equal to the outgoing COR list this means that the call will succeed.
- If the incoming COR list is not a superset or equal to the outgoing COR list this means that the call will fail.
- When you begin configuration first you need to configure the outgoing COR.
- To deny a call when you configure the outgoing COR make sure that it is a superset of the incoming COR.
   Now it is Lab time:
 - The Manager can call the Employee but the Employee can not. Also the Employee should call any other dial-peer.
dial-peer cor custom
name employee
name manager
!
dial-peer cor list Manager
member manager
!
dial-peer cor list Employee
member employee
!
ephone-dn 1
cor outgoing Manager
!
ephone-dn 2
cor incoming Employee

- Results:



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