Re: Aux back to back problem

From: Le Dinh An (anld@ispco.com.vn)
Date: Wed Sep 18 2002 - 22:44:45 GMT-3


'modem host' under line aux 0 of the calling router.

You can have the working configs some days earlier on this list.

An.

syv wrote:

>Hi,
>
>I have 2 router c1751 and c2505 connected back to back
>through the Aux port.
>
>No routing install but it still goes up and down like a yoyo:
>
>Sep 18 15:46:15 PDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to up
>Sep 18 15:48:12 PDT: %DIALER-6-UNBIND: Interface As1 unbound from profile Di0
>Sep 18 15:48:14 PDT: %LINK-5-CHANGED: Interface Async1, changed state to reset
>Sep 18 15:48:15 PDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to down
>Sep 18 15:48:19 PDT: %LINK-3-UPDOWN: Interface Async1, changed state to up
>Sep 18 15:48:19 PDT: %DIALER-6-BIND: Interface As1 bound to profile Di0
>Sep 18 15:48:22 PDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to up
>Sep 18 15:50:19 PDT: %DIALER-6-UNBIND: Interface As1 unbound from profile Di0
>Sep 18 15:50:21 PDT: %LINK-5-CHANGED: Interface Async1, changed state to reset
>Sep 18 15:50:22 PDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to down
>Sep 18 15:50:26 PDT: %LINK-3-UPDOWN: Interface Async1, changed state to up
>Sep 18 15:50:26 PDT: %DIALER-6-BIND: Interface As1 bound to profile Di0
>Sep 18 15:50:29 PDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to up
>
>Any suggestion?
>
>I did debug on async, on ppp and on dialer and do not see
>anything that would call the interface to go up.
>
>The cdp does not [as defined in the dialer-list].
>
>Here are the configs:
>
>The c2505
>
>c2505#s
>Building configuration...
>
>Current configuration : 2142 bytes
>!
>! Last configuration change at 10:05:14 PDT Wed Sep 18 2002
>! NVRAM config last updated at 10:05:16 PDT Wed Sep 18 2002
>!
>version 12.1
>no service single-slot-reload-enable
>service timestamps debug datetime localtime show-timezone
>service timestamps log datetime localtime show-timezone
>no service password-encryption
>!
>hostname c2505
>!
>logging buffered 16384 debugging
>enable secret 5 $1$Btx/$Kam.aSIufLXVTpi8mx7aC1
>!
>username c1751 password 0 123456
>!
>!
>!
>!
>clock timezone PST -7
>clock summer-time PDT recurring
>ip subnet-zero
>no ip domain-lookup
>!
>chat-script script-null-modem "" ""
>!
>!
>!
>hub ether 0 1
> link-test
> auto-polarity
>!
>hub ether 0 2
> link-test
> auto-polarity
>!
>hub ether 0 3
> link-test
> auto-polarity
>!
>hub ether 0 4
> link-test
> auto-polarity
>!
>hub ether 0 5
> link-test
> auto-polarity
>!
>hub ether 0 6
> link-test
> auto-polarity
>!
>hub ether 0 7
> link-test
> auto-polarity
>!
>hub ether 0 8
> link-test
> auto-polarity
>!
>interface Loopback0
> ip address 152.1.1.2 255.255.255.255
>!
>interface Ethernet0
> no ip address
> shutdown
>!
>interface Serial0
> bandwidth 64
> ip address 152.1.1.6 255.255.255.252
> no fair-queue
> clockrate 64000
>!
>interface Serial1
> bandwidth 64
> ip address 152.1.1.9 255.255.255.252
>!
>interface Async1
> no ip address
> encapsulation ppp
> dialer in-band
> dialer pool-member 1
> async default routing
> async dynamic routing
> async mode dedicated
>!
>interface Dialer0
> ip address 152.1.1.66 255.255.255.192
> encapsulation ppp
> dialer pool 1
> dialer remote-name c1751
> dialer string 111111
> dialer-group 1
>!
>ip classless
>ip http server
>!
>dialer-list 1 protocol ip permit
>!
>alias exec c conf t
>alias exec co cle ip ospf proc
>alias exec cr clea ip rout *
>alias exec r sh ip rout
>alias exec i sh ip int bri
>alias exec s sh run
>alias exec sb sh run | begin
>alias exec w wr mem
>alias exec b sh ip bgp
>alias exec o sh ip ospf
>alias exec cb cle ip bgp *
>!
>line con 0
> exec-timeout 0 0
> logging synchronous
>line aux 0
> exec-timeout 0 0
> script dialer script-null-modem
> logging synchronous
> modem InOut
> transport input all
> flowcontrol hardware
>line vty 0 4
> exec-timeout 0 0
> password cisco
> logging synchronous
> login
>!
>end
>
>The c1751
>
>c1751#s
>Building configuration...
>
>Current configuration : 1926 bytes
>!
>! Last configuration change at 15:37:19 PDT Wed Sep 18 2002
>! NVRAM config last updated at 09:18:18 PDT Wed Sep 18 2002
>!
>version 12.2
>service timestamps debug datetime localtime show-timezone
>service timestamps log datetime localtime show-timezone
>no service password-encryption
>!
>hostname c1751
>!
>logging buffered 16384 debugging
>enable secret 5 $1$7y.8$s.MeA39GpakvHZe0zWlCp1
>!
>username c2505 password 0 123456
>clock timezone PST -7
>clock summer-time PDT recurring
>ip subnet-zero
>!
>!
>no ip domain lookup
>!
>!
>chat-script script-null-modem "" ""
>!
>!
>!
>interface Loopback0
> ip address 152.1.2.1 255.255.255.255
>!
>interface FastEthernet0/0
> ip address 172.16.1.1 255.255.255.0
> speed auto
>!
>interface Serial0/0
> bandwidth 64
> ip address 152.1.2.5 255.255.255.252
> no fair-queue
> clockrate 64000
>!
>interface Serial0/1
> bandwidth 64
> ip address 152.1.2.129 255.255.255.128
> no fair-queue
>!
>interface Serial1/0
> no ip address
>!
>interface Async5
> no ip address
> encapsulation ppp
> dialer in-band
> dialer pool-member 1
> dialer-group 1
> async default routing
> async dynamic routing
> async mode dedicated
>!
>interface Dialer0
> ip address 152.1.1.65 255.255.255.192
> encapsulation ppp
> dialer pool 1
> dialer remote-name c2505
> dialer string 111111
> dialer-group 1
>!
>ip classless
>no ip http server
>!
>!
>access-list 101 permit ip any host 152.1.1.66
>dialer-list 1 protocol ip permit
>!
>alias exec c conf t
>alias exec co cle ip ospf proc
>alias exec cr cle ip rout *
>alias exec i sh ip int brief
>alias exec r sh ip rout
>alias exec w wr mem
>alias exec s sho run
>alias exec sb show run | begin
>alias exec o sh ip ospf
>alias exec b sh ip bgp
>alias exec cb cle ip bgp *
>!
>line con 0
> exec-timeout 0 0
> logging synchronous
>line aux 0
> exec-timeout 0 0
> script dialer script-null-modem
> logging synchronous
> modem InOut
> transport input all
> flowcontrol hardware
>line vty 0 4
> exec-timeout 0 0
> password 123456
> logging synchronous
> login
>!
>end
>
>
>
>Thanks
>----
>syv@911networks.com



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