From: Jim Nguyen (nhatquang@thiennam.org)
Date: Mon Jul 19 2004 - 06:14:11 GMT-3
Brian, it works without any trouble on HDLC. However if dialer string is
removed from one side, the other side does not have
icmp echo relied.
Jim
*Mar 1 02:19:27.531: IP: s=129.1.45.4 (BRI0/0), d=129.1.45.5 (BRI0/0), len
100, rcvd 3
*Mar 1 02:19:27.531: ICMP type=8, code=0
*Mar 1 02:19:27.531: IP: tableid=0, s=129.1.45.5 (local), d=129.1.45.4
(BRI0/0), routed via RIB
*Mar 1 02:19:27.531: IP: s=129.1.45.5 (local), d=129.1.45.4 (BRI0/0), len
100, sending
*Mar 1 02:19:27.531: ICMP type=0, code=0
*Mar 1 02:19:27.531: IP: s=129.1.45.5 (local), d=129.1.45.4 (BRI0/0), len
100, encapsulation failed
*Mar 1 02:19:27.531: ICMP type=0, code=0
-----------------------------------------------------------------------------
---hostname Rack1R4
interface BRI0/0 ip address 129.1.45.4 255.255.255.0 dialer idle-timeout 30 dialer string 2221 dialer-group 1 isdn switch-type basic-net3
hostname Rack1R5 interface BRI0/0 ip address 129.1.45.5 255.255.255.0 dialer string 4441 dialer-group 1 isdn switch-type basic-net3
----------------------------------------------------------------------------- ---
Rack1R4#debug dialer events Dial on demand events debugging is on Rack1R4# Rack1R4# Rack1R4# Rack1R4#ping 129.1.45.5
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 129.1.45.5, timeout is 2 seconds:
*Mar 1 02:04:45.117: BR0/0 DDR: place call *Mar 1 02:04:45.117: BR0/0 DDR: Dialing cause ip (s=129.1.45.4, d=129.1.45.5) *Mar 1 02:04:45.117: BR0/0 DDR: Attempting to dial 2221 *Mar 1 02:04:45.202: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up *Mar 1 02:04:45.202: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to 2221 N/A *Mar 1 02:04:45.206: BR0/0:1 DDR: dialer protocol up *Mar 1 02:04:46.207: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0:1, changed state to up.!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 29/31/32 ms
----------------------------------------------------------------------------- ---
Rack1R4#debug isdn q931 *Mar 1 02:03:56.153: %SYS-5-CONFIG_I: Configured from console by console Rack1R4#ping 129.1.45.5
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 129.1.45.5, timeout is 2 seconds:
*Mar 1 02:03:57.696: BR0/0 DDR: place call *Mar 1 02:03:57.696: BR0/0 DDR: Dialing cause ip (s=129.1.45.4, d=129.1.45.5) *Mar 1 02:03:57.696: BR0/0 DDR: Attempting to dial 2221 *Mar 1 02:03:57.704: ISDN BR0/0 Q931: TX -> SETUP pd = 8 callref = 0x03 Bearer Capability i = 0x8890 Standard = CCITT Transfer Capability = Unrestricted Digital Transfer Mode = Circuit Transfer Rate = 64 kbit/s Channel ID i = 0x83 Called Party Number i = 0x80, '2221' Plan:Unknown, Type:Unknown *Mar 1 02:03:57.724: ISDN BR0/0 Q931: RX <- CALL_PROC pd = 8 callref = 0x83 Channel ID i = 0x89 *Mar 1 02:03:57.780: ISDN BR0/0 Q931: RX <- CONNECT pd = 8 callref = 0x83 *Mar 1 02:03:57.784: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up *Mar 1 02:03:57.784: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to 2221 N/A *Mar 1 02:03:57.788: ISDN BR0/0 Q931: TX -> CONNECT_ACK pd = 8 callref = 0x03 *Mar 1 02:03:57.788: BR0/0:1 DDR: dialer protocol up *Mar 1 02:03:58.789: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0:1, changed state to up.!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 28/31/32 ms
----------------------------------------------------------------------------- ---
----- Original Message ----- From: Brian McGahan To: mgrenham@eircom.net ; ccielab@groupstudy.com Sent: Monday, April 18, 2005 11:18 PM Subject: RE: ISDN on legacy without map statements
Ollie,
This configuration requires PPP. Simply encapsulate PPP and issue the dialer-string command on the interface.
HTH,
Brian McGahan, CCIE #8593 bmcgahan@internetworkexpert.com
Internetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 x 705 Outside US: 775-826-4344 x 705 24/7 Support: http://forum.internetworkexpert.com Live Chat: http://www.internetworkexpert.com/chat/
> -----Original Message----- > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of > mgrenham@eircom.net > Sent: Monday, April 18, 2005 5:53 AM > To: ccielab@groupstudy.com > Subject: ISDN on legacy without map statements > > Hi Group, > > I remember seeing a method whereby you can run ISDN over the physical > interface and not use the dialer map command. (Just like you would with a > dialer interface) > > Does anyone know how this works again? I would appreciate if someone would > have a working configiguration detailing this. > > Regards, > > Ollie. > > > _________________________________________________________________ > Sign up for eircom broadband now and get a free two month trial.* > Phone 1850 73 00 73 or visit http://home.eircom.net/broadbandoffer > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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