From: David FAHED (dfahed@xxxxxxxxxxxx)
Date: Wed Jan 31 2001 - 13:46:34 GMT-3
http://127.0.0.1:8080/cc/td/doc/product/software/ios120/12cgcr/dial_c/dcbri.htm
#xtocid571312
I made a mistake it is not *01 ans *02 but :01 and :02
David FAHED wrote:
> With isdn you can use sub-address for the same so BUS.
> After the number use *01 for one router and *02 for the other router.
> I cann't test it now but I ever did for a customer.
>
> "Flack, Les" wrote:
>
> > Justin,
> >
> > Your description certainly fits the symptoms but unfortunately I've no
> > conrol over the Switch as its a British Telecom ISDN (Highway service).
> > Tariq suggested I ask the provider for multi channel subscriber no's but I
> > tried that today and BT wont play ball. Another suggestion from the group
> > was to use caller id to screen calls, I havn't tried that yet but I dont
> > think that will help as both the calling and called routers will use the
> > same number. Any other suggestions welcome.
> >
> > regards
> >
> > Les
> > ----- Original Message -----
> > From: "Justin Menga" <Justin.Menga@computerland.co.nz>
> > To: "'Flack, Les'" <LFlack@thrupoint.net>; <ccielab@groupstudy.com>
> > Sent: Wednesday, January 31, 2001 12:01 PM
> > Subject: RE: Problem with ISDN when calling between two routers from CH1 to
> > CH2 on same number.
> >
> > > Les, I think this has something to do with your ISDN switching in the
> > middle
> > > - if you have a single switch in the middle, it looks like the call setup
> > is
> > > being routed both back to your 2500 B2 channel (like feedback) and also t
o
> > > your 1600. It looks like the 2500 accepts the 'feedback' call first, and
> > > the circuit is then established between 2500 B1 and 2500 B2. If you have
> > > control over the ISDN switch then try using unique numbers - addresses
> > > usually have one major rule - UNIQUENESS
> > >
> > > I know it sounds ludicrous but I have many a time configured the wrong
> > phone
> > > numbers and got weird crazy stuff like above....
> > >
> > > Regards,
> > >
> > > Justin Menga CCIE #6640 MCSE+I CCSE
> > > WAN Specialist
> > > Computerland New Zealand
> > > PO Box 3631, Auckland
> > > DDI: (+64) 9 360 4864 Mobile: (+64) 25 349 599
> > > mailto: justin.menga@computerland.co.nz
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Flack, Les [mailto:LFlack@thrupoint.net]
> > > Sent: Wednesday, January 31, 2001 8:06 AM
> > > To: ccielab@groupstudy.com
> > > Subject: Problem with ISDN when calling between two routers from CH1 to
> > > CH2 on same number.
> > >
> > >
> > > Hi all,
> > >
> > > I'm having a problem with ISDN when calling between two routers =
> > > from CH1 to CH2 on the same number. (My isdn line has the same number =
> > > for both B channels.)
> > >
> > > For example:
> > >
> > > My 1600 at 12.0(14) calls out of B1 and my 2500 11.3(11a) receives on =
> > > B2 no problem.
> > >
> > > but if I try to make the call from the 2500 to the 1600 the 2500 calls =
> > > out on B1 AND receives the call on B2. The 1600 does see the call come =
> > > in on B2 but receives a HOST_DISCONNECT_ACK before it can setup the =
> > > call.
> > >
> > > What am I doing wrong??
> > >
> > > regards,
> > >
> > > Les
> > >
> > > 1600 (r6#)
> > >
> > > interface BRI0
> > > ip address 172.168.65.1 255.255.255.0
> > > no ip directed-broadcast
> > > encapsulation ppp
> > > ip ospf network point-to-point
> > > no ip mroute-cache
> > > dialer map ip 172.168.65.2 name r5 broadcast 9583
> > > dialer-group 1
> > > isdn switch-type basic-net3
> > > ppp authentication chap
> > > ppp chap hostname r6
> > > ppp chap password 7 1511021F0725
> > > end
> > >
> > > r6#
> > > 1d05h: ISDN BR0: Incoming call id =3D 0x2E
> > > 1d05h: ISDN BR0: received HOST_INCOMING_CALL call_id 0x2E
> > > 1d05h: ISDN BR0: Event: Received a call from <unknown> on B2 at 64 Kb/s
> > > 1d05h: ISDN BR0: Event: Accepting the call id 0x2E
> > > 1d05h: %LINK-3-UPDOWN: Interface BRI0:2, changed state to up
> > > 1d05h: %ISDN-6-CONNECT: Interface BRI0:2 is now connected to unknown
> > > 1d05h: BR0:2 PPP: Treating connection as a callin
> > > 1d05h: ISDN BR0: received HOST_DISCONNECT_ACK call_id 0x2E
> > > 1d05h: %LINK-3-UPDOWN: Interface BRI0:2, changed state to down
> > > 1d05h: ISDN BR0: received HOST_DISCONNECT_ACK call_id 0x2E
> > > r6#
> > >
> > > 2500 (r5#)
> > >
> > > interface BRI0
> > > ip address 172.168.65.2 255.255.255.0
> > > no ip directed-broadcast
> > > encapsulation ppp
> > > no ip mroute-cache
> > > dialer map ip 172.168.65.1 name r6 broadcast 9583
> > > dialer-group 1
> > > ppp authentication chap
> > > ppp chap hostname r5
> > > ppp chap password 7 045802150C2E=20
> > >
> > > r5#
> > > 1d05h: ISDN BR0: Outgoing call id =3D 0x801E
> > > 1d05h: ISDN BR0: Event: Call id 0x801E to 9583 at 64 Kb/s
> > > 1d05h: ISDN BR0: received HOST_INFORMATION call_id 0x801E
> > > 1d05h: ISDN BR0: Incoming call id =3D 0x66
> > > 1d05h: ISDN Event: dsl 0 call_id 0x801E B channel assigned by switch 0
> > > ISDN BR0: received HOST_INCOMING_CALL call_id 0x66
> > > 1d05h: ISDN BR0: llc valid, speed 64, call type is Sync
> > > speed:-1 async:Y
> > > 1d05h: ISDN BR0: Event: Received a call from <unknown> on B2 at 64 Kb/s
> > > 1d05h: ISDN BR0: Event: Accepting the call id =3D 0x66
> > > 1d05h: %LINK-3-UPDOWN: Interface BRI0:2, changed state to up
> > > 1d05h: ISDN BR0: received HOST_ALERTING call_id 0x801E
> > > 1d05h: ISDN BR0: received HOST_CONNECT call_id 0x801E
> > > 1d05h: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
> > > 1d05h: ISDN BR0: Event: Connected to 9583 on B1 at 64 Kb/s
> > > r5#
> > > 1d05h: %ISDN-6-CONNECT: Interface BRI0:2 is now connected to unknown
> > > 1d05h: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 9583
> > > r5# =20
> > >
> > > ---------------------------------------End-------------------------------
=
> > > ------------
> > >
> > >
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