Attempting to connect AUX ports back to back

From: Ken Li (kenli@kenli.cc)
Date: Sat Jul 05 2003 - 07:24:46 GMT-3


I can't seem to get this working. One router is a 2520, the other, a
2511. What I found strange is that on the 2520 I could only configure
async 4, but on the 2511 it would allow me go configure async 1 through
17. Of course there's only one physical async port. This is what I get
non stop basically:

05:54:20: %LINK-5-CHANGED: Interface Async1, changed state to reset
05:54:20: %DIALER-6-UNBIND: Interface As1 unbound from profile Di0
05:54:25: %LINK-3-UPDOWN: Interface Async1, changed state to up
05:54:25: %DIALER-6-BIND: Interface As1 bound to profile Di0
05:54:49: %LINK-5-CHANGED: Interface Async1, changed state to reset
05:54:49: %DIALER-6-UNBIND: Interface As1 unbound from profile Di0
05:54:54: %LINK-3-UPDOWN: Interface Async1, changed state to up
05:54:54: %DIALER-6-BIND: Interface As1 bound to profile Di0

Here are my configs: the 2511 being R1 and 2520 being R7. I've left out
non related stuff. I'm pretty stumped at this point and it just might
be something really stuipd, but any help is appreciated, thanks. BTW
I'm using a rollover cable.
************************************************************************
******
hostname r1
!
!
username r7 password 0 cisco
ip subnet-zero
no ip domain-lookup
!
!
!
!
interface Async1
 no ip address
 encapsulation ppp
 dialer in-band
 dialer pool-member 1
 async dynamic routing
 async mode dedicated
 no peer default ip address
 ppp authentication chap
!
interface Dialer0
 ip address 137.20.8.1 255.255.255.0
 encapsulation ppp
 dialer pool 1
 dialer remote-name r7
 dialer string 1234
 dialer-group 1
 ppp authentication chap
!
line aux 0
 modem Dialin
 transport input all
 speed 38400
!
end
************************************************************************
*************
Current configuration : 2204 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r7
!
!
username r1 password 0 cisco
ip subnet-zero
no ip domain-lookup
!
chat-script myscript "" ""
!
!
!
!
interface Async4
 no ip address
 encapsulation ppp
 no ip route-cache
 no ip mroute-cache
 dialer in-band
 dialer pool-member 1
 async default routing
 async dynamic routing
 async mode dedicated
 no peer default ip address
 ppp authentication chap
!
interface Dialer0
 ip address 137.20.8.7 255.255.255.0
 encapsulation ppp
 dialer pool 1
 dialer remote-name r1
 dialer string 1234
 dialer-group 1
 ppp authentication chap
!
dialer-list 1 protocol ip permit
!
line aux 0
 exec-timeout 0 0
 script dialer myscript
 modem Host
 transport input all
 speed 38400
 flowcontrol hardware



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