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Community Member

ISDN problem with a Madge/Teleos/Initia AccessSwitch 20

I am trying to configure it as the ISDN switch, and route calls for two Cisco routers, but I couldn't get it working. I am hoping someone here has been worked with one of the AccessSwitch...

I can see the Layer 1 and 2 are up, but the layer 3 won't work properly. One weird thing is both of the router got the same TEI, they are all 64. I am thinking I might screwed somewhere like dial-plan or something in Madge, but I am not sure... I would appreciate any help! The following is some configuration and debug information.

############

Router R5, connect to BRI Port 2

interface BRI0

ip address 192.168.10.3 255.255.255.0

encapsulation ppp

dialer map ip 192.168.10.5 name R8 broadcast 666666

dialer load-threshold 1 either

dialer-group 1

isdn switch-type basic-5ess

ppp multilink

dialer-list 1 protocol ip permit

R5#sh isdn status

ISDN BRI0 interface

dsl 0, interface ISDN Switchtype = basic-5ess

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 64, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

Layer 3 Status:

0 Active Layer 3 Call(s)

Active dsl 0 CCBs = 0

The Free Channel Mask: 0x80000003

Total Allocated ISDN CCBs = 0

R5#debug isdn q921

ISDN Q921 packets debugging is on

R5#ping 192.168.10.5

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.5, timeout is 2 seconds:

02:25:40: ISDN BR0: TX -> INFOc sapi=0 tei=64 ns=3 nr=5 i=0x08010505040288901801832C06363636363636

02:25:41: ISDN BR0: RX <- RRr sapi=0 tei=64 nr=4

02:25:41: ISDN BR0: RX <- INFOc sapi=0 tei=64 ns=5 nr=4 i=0x0801855A080282B4

02:25:41: ISDN BR0: TX -> RRr sapi=0 tei=64 nr=6.....

Success rate is 0 percent (0/5)

R5#debug isdn q931

ISDN Q931 packets debugging is on

R5#ping 192.168.10.5

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.5, timeout is 2 seconds:

02:26:18: ISDN BR0: TX -> SETUP pd = 8 callref = 0x06

02:26:18: Bearer Capability i = 0x8890

02:26:18: Channel ID i = 0x83

02:26:18: Keypad Facility i = '666666'

02:26:18: ISDN BR0: RX <- RELEASE_COMP pd = 8 callref = 0x86

02:26:18: Cause i = 0x82B4 - Service operation violated.....

Success rate is 0 percent (0/5)

#

3 REPLIES
Hall of Fame Super Gold

Re: ISDN problem with a Madge/Teleos/Initia AccessSwitch 20

Eric

I am a little confused where your comment is that the router is on Bri port 2 but the config says BRI0:

Router R5, connect to BRI Port 2

interface BRI0

perhaps you can clarify that?

I note that your config does not include any authentication. I assume that you have not done that yet in the interest of simplifying the config to get it to work. But you probably want authentication once you get this issue resolved. (and I do not believe that your present problem has anything to do with authentication.)

The show isdn status indicates that the router and switch seem to be talking normally. But the debug q931 shows a serious problem:

Cause i = 0x82B4 - Service operation violated.....

I am not sure what causes that but suspect it is something in your setup of the switch. Perhaps you can tell us a bit about the switch.

HTH

Rick

Community Member

Re: ISDN problem with a Madge/Teleos/Initia AccessSwitch 20

Thanks Rick!

My bad, I got this thing working now. It is the 5ess implementatioin in this thing demands at least one SPID is configured properly. I did't configure the SPID in the switch side for simplicity initially.

Again, thanks for helpping, appreciated!

Hall of Fame Super Gold

Re: ISDN problem with a Madge/Teleos/Initia AccessSwitch 20

Eric

I am glad that you got it working.

Thanks for posting back to the forum and indicating what the solution was. It makes the forum more useful when we see descriptions of problems and then see what resolved the problem.

HTH

Rick

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