The most common method of configuring ISDN is with dialer maps, but dial information can also be configured on a logical interface. To pass the CCNA exam, you must know how to configure and troubleshoot both dialer maps and dialer profiles.
Dialer Profiles allow different dialing information to be configured onto logical interfaces. The logical interfaces may have different dialing destinations, different remote router names, etc., but theyll be using the same physical interface.
Dialer strings are used on dialer profiles. Note that each logical interface has a different IP address, a different remote router to dial, and a different dialer string, but they will be using the same physical interface to dial out. The commands dialer pool and dialer pool-member are used to link the logical and physical interfaces. The number following each command must match for the logical interface to correctly bind to the physical interface.
R1(config)#interface dialer0
R1(config-if)#ip address 172.16.1.1 255.255.255.0
R1(config-if)#encapsulation ppp
<. The encapsulation type is placed on both the logical and physical interfaces....
To view and download this full PLR article, you must be logged in. Registration is completely free. Once you create your account, you will be able to browse, search & downlod from our PLR articles database of over "1,57,897+" on 1,000's of niches and 200+ categories without paying a penny. Click here to signup...
