From: syv (syv@911networks.com)
Date: Thu Sep 19 2002 - 03:09:38 GMT-3
On Wednesday, September 18, 2002, Roberts, Larry wrote:
See inline comments
-----Original Message-----
RL> Here are some working configs ( albiet with OSPF demand routing )
RL> Calling ROuter
RL> interface Async65
RL> no ip address
RL> encapsulation ppp
RL> no ip route-cache
RL> no ip mroute-cache
RL> dialer in-band
RL> dialer pool-member 1
RL> async default routing
RL> async dynamic routing
RL> async mode dedicated
RL> interface Dialer0
RL> ip address 192.168.12.1 255.255.255.0
RL> encapsulation ppp
RL> ip ospf message-digest-key 1 md5 7 094F471A1A0A
RL> ip ospf demand-circuit
RL> ip ospf demand-circuit
No protocol yet routing, only layer 2
RL> dialer pool 1
RL> dialer idle-timeout 60
RL> dialer string 1234
RL> dialer-group 1
RL> no peer neighbor-route
RL> no peer default ip address
RL> no cdp enable
I filter cdp through the dialer-list
RL> ppp authentication chap
RL> ppp chap hostname r1
RL> ppp chap password 7 05080F1C2243
RL> !
RL> line aux 0
RL> exec-timeout 0 0
RL> script dialer myscript
RL> modem Host
The same thing [the line going up and down as a yoyo]
happens even if I set the modem as a host and the other side
as a dialin.
RL> transport input all
RL> speed 19200
RL> flowcontrol hardware
RL> Called ROuter
RL> interface Async65
RL> no ip address
RL> encapsulation ppp
RL> no ip route-cache
RL> no ip mroute-cache
RL> dialer in-band
RL> dialer pool-member 1
RL> async default routing
RL> async dynamic routing
RL> async mode dedicated
RL> !
RL> interface Dialer0
RL> ip address 192.168.12.2 255.255.255.0
RL> encapsulation ppp
RL> no ip route-cache
RL> ip ospf message-digest-key 1 md5 7 104D000A0618
RL> ip ospf demand-circuit
RL> no ip mroute-cache
RL> dialer pool 1
RL> dialer-group 1
RL> no peer neighbor-route
RL> no cdp enable
RL> ppp authentication chap callin
RL> ppp chap hostname r2
RL> ppp chap password 7 01100F175804
RL> !
RL> line aux 0
RL> exec-timeout 0 0
RL> script dialer myscript
RL> modem Dialin
RL> transport input all
RL> speed 19200
RL> flowcontrol hardware
RL> Thanks
RL> Larry
RL> -----Original Message-----
RL> From: Le Dinh An [mailto:anld@ispco.com.vn]
RL> Sent: Wednesday, September 18, 2002 8:45 PM
RL> To: syv
RL> Cc: ccielab@groupstudy.com
RL> Subject: Re: Aux back to back problem
RL> 'modem host' under line aux 0 of the calling router.
RL> You can have the working configs some days earlier on this list.
RL> An.
RL> 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
Thanks
---- syv@911networks.com
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