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PPP Authentication

walu
Level 1
Level 1

Hi Together,

i like to use the "ppp chap hostname feature" for Authentication with an Username different than the Routers Name. The first implementations with just one dialer Interface works fine on a Cisco 836.

But now i have the Problem that if a router has a already an dialer Interface used for WAN backup with the "dialer watch" feature in this case the authentication for incoming calls are via the routers name.

If we configure the "ppp chap hostname" directly on the BRI Interface than its working again. But than the Backup doesn´t work anymore.

Here are extracts of the Configurtion.

interface BRI0

no ip address

encapsulation ppp

dialer pool-member 2

dialer pool-member 3

isdn switch-type basic-net3

isdn tei-negotiation first-call

isdn tei-negotiation preserve

ppp authentication chap

interface Dialer0

description *** Dialer for Outband ***

ip address negotiated

encapsulation ppp

dialer pool 2

dialer remote-name dsd-rt04

ppp authentication chap callin

ppp chap hostname smc_callin

ppp chap password 7 xxxxxxx

interface Dialer1

description *** Dialer for Backup ***

ip address negotiated

encapsulation ppp

dialer pool 3

dialer remote-name hkd_Z38_R1

dialer idle-timeout 300

dialer string 021173779750

dialer watch-group 2

dialer-group 2

ppp authentication chap callin

ppp chap hostname hkd01014

ppp chap password 7 xxxx

Has anybody experience with the issue.

Thank you for any help.

1 Reply 1

owillins
Level 6
Level 6

The document has more information on PPP Authentication Using the ppp chap hostname.

http://www.cisco.com/warp/public/131/ppp_callin_hostname.html