From: Joe Higgins (netsat@xxxxxxxxxxxxx)
Date: Sun Apr 28 2002 - 14:37:54 GMT-3
My understanding of the "isdn callback" command is that it is used where the is
dn switch has the capability of
providing the calling number, i.e caller id. My configurations in all my labs
do not use that command and I have
no problem with ppp callback.
See: http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/di
al_c/dccallid.htm
"Engelhard M. Labiro" wrote:
> Members,
>
> As subject says, I can`t make a callback to the callback client
> if "dialer callback-secure" configured on callback-server.
> There is no problem for callback-server to initiate a callback
> if that command is not configured.
> I know that this must be relate to dialer map ip name class
> and map-class configuration, but already spent a whole day
> trying to figure this out without success.
> Any help would be appreciate.
>
> The following are the configurations, debug results, etc:
>
> 1. Network config
> Please refer to Solie`s book Lab 17.
> green-bay------FR (ISDN backup)-------san-diego
>
> green-bay is the callback-server , IOS 12.1(12a)
> san-diego is the callback-client , IOS 12.2(5)
>
> 2. "debug dialer" result
>
> >From green-bay console:
>
> green-bay#sd
> Dial on demand:
> Dial on demand events debugging is on
> green-bay#1d00h: BR0/0:caller id callback to 12 but callback secure
> green-bay#1d00h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up
> green-bay#1d00h: %ISDN-6-DISCONNECT: Interface BRI0/0:1 disconnected from 12
san-diego, call lasted 1 seconds
> 1d00h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to down
> green-bay#1d00h: BR0/0:1 DDR: disconnecting call
> green-bay#
>
> >From san-diego console (first initiate a trigger packet by ping).
>
> san-diego#ping 10.10.20.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.10.20.2, timeout is 2 seconds:
>
> 1d00h: BR0/0 DDR: Dialing cause ip (s=10.10.10.5, d=10.10.20.2)
> 1d00h: BR0/0 DDR: Attempting to dial 11
> 1d00h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up
> 1d00h: BR0/0:1 DDR: Callback negotiated - Disconnecting now
> 1d00h: BR0/0:1 DDR: disconnecting call.
> 1d00h: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to 11 green-bay
> 1d00h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to down
> 1d00h: DDR: Callback client for green-bay 11 created
> 1d00h: BR0/0:1 DDR: disconnecting call....
> Success rate is 0 percent (0/5)
> san-diego#
> 1d00h: DDR: No callback received from green-bay 11
> 1d00h: DDR: Freeing callback to green-bay 11
> san-diego#
>
> 3. Router configuration
>
> san-diego router as follow:
> version 12.2
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname san-diego
> !
> !
> username green-bay password 0 pass1
> ip subnet-zero
> !
> !
> no ip domain-lookup
> !
> ip audit notify log
> ip audit po max-events 100
> ip ssh time-out 120
> ip ssh authentication-retries 3
> !
> isdn switch-type ntt
> interface Serial0/0
> no ip address
> encapsulation frame-relay
> no fair-queue
> clockrate 2000000
> !
> interface Serial0/0.1 point-to-point
> ip address 10.10.10.2 255.255.255.252
> frame-relay interface-dlci 604
> !
> interface BRI0/0
> ip address 10.10.10.5 255.255.255.252
> encapsulation ppp
> ip ospf cost 9999
> ip ospf demand-circuit
> dialer idle-timeout 60
> dialer wait-for-carrier-time 10
> dialer map ip 10.10.10.6 name green-bay broadcast 11
> dialer load-threshold 1 outbound
> dialer-group 1
> isdn switch-type ntt
> ppp callback request
> ppp authentication chap
> ppp multilink
> !
> !
> router ospf 1
> log-adjacency-changes
> network 10.10.10.0 0.0.0.3 area 0
> network 10.10.10.4 0.0.0.3 area 0
> network 192.168.10.0 0.0.0.127 area 1
> !
> ip classless
> ip http server
> ip pim bidir-enable
> !
> dialer-list 1 protocol ip permit
> !
>
> green-bay configuration:
>
> version 12.1
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname green-bay
> !
> !
> username san-diego password 0 pass1
> !
> !
> !
> !
> memory-size iomem 30
> ip subnet-zero
> no ip domain-lookup
> !
> isdn switch-type ntt
> !
> interface Serial0/0
> bandwidth 56000
> no ip address
> encapsulation frame-relay
> no fair-queue
> !
> interface Serial0/0.1 point-to-point
> ip address 10.10.10.1 255.255.255.252
> frame-relay interface-dlci 406
> !
> !
> interface BRI0/0
> ip address 10.10.10.6 255.255.255.252
> encapsulation ppp
> ip ospf cost 9999
> ip ospf demand-circuit
> dialer callback-secure
> dialer idle-timeout 60
> dialer enable-timeout 5
> dialer map ip 10.10.10.5 name san-diego class CALLBACK broadcast 12
> dialer load-threshold 1 outbound
> dialer-group 1
> isdn switch-type ntt
> isdn caller 12 callback
> ppp callback accept
> ppp authentication chap
> !
> !
> router eigrp 2
> redistribute ospf 1 metric 10000 1000 255 1 1500 match internal external 1 e
xternal 2
> network 192.168.20.0
> no auto-summary
> no eigrp log-neighbor-changes
> !
> router ospf 1
> log-adjacency-changes
> redistribute eigrp 2 subnets
> network 10.10.10.0 0.0.0.3 area 0
> network 10.10.10.4 0.0.0.3 area 0
> !
> ip classless
> ip http server
> !
> map-class dialer CALLBACK
> dialer callback-server username
> dialer-list 1 protocol ip permit
> !
> !
>
> Thanks in advance.
>
> Engelhard M. Labiro$B!!(B(engelhard@netmarks.co.jp)
> Security Group, Technical Solution Center, Netmarks Inc.
> 2-13-34 Konan, Minato-Ku, Tokyo 108-0075
> Tel: +81-3-5461-2575, Fax: +81-3-5461-2093
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