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New Member

bri layer 1 and 2 shows deactivate

We have one cisco 3640 router with 4 port BRI (S/T) card ,, and one cisco 2522 router with one port BRI (S/T) card ,,, We have four Siemens ISDN line with basic-net3 switch type ,, problem is that ,, wehn i plug in my ISDN line in my cisco 2522 router's BRI port it give on Activated status for bot Layer 1 and 2 , but when i Plug in the same ISND line in my other cisco 3640 router BRI port , its shows the Deactivaion status of my layer 1 and 2 ,, i am using the same line and same switch type on both routers ,,,,,,,

Whats am i missing an is there any kind of card problem ,, i am using 12.0-7 ver IOS in 2522 and 12.2 verion IOS in 3640.

3 REPLIES
New Member

Re: bri layer 1 and 2 shows deactivate

Hi ,

maybe post some debug output of q921 q931 and show isdn status ..

Anonymous
N/A

Re: bri layer 1 and 2 shows deactivate

here are some debug info ...

BRI2/0: Wrote command 0x0 to SID

BRI2/0: Wrote command 0x20 to SID

BRI2/0: Starting PUP timer, move state from F2 to F3

BRI2/0: Wrote command 0x92 to SID

BRI2/0: Wrote command 0x93 to SID

BRI2/0: state F3, IS F1, event PUP timeout

BRI2/0: Wrote command 0x3 to SID

BRI2/0: Starting T3 timer on PUP timer expiry, changing state F3 to F4

BRI2/0: Starting T3 timer on PUP timer expiry, changing state F3 to F4

BRI2/0: Wrote command 0x92 to SID

BRI2/0: Wrote command 0x93 to SID

BRI2/0: state F4, IS F1, event T3 timeout

BRI2/0: Wrote command 0x92 to SID

BRI2/0: Wrote command 0x93 to SID

BRI2/0: Wrote command 0x1 to SID

BRI2/0: Wrote command 0x0 to SID

BRI2/0: T3 timer expired, changing state F4 to F2

and the isdn stat

Global ISDN Switchtype = basic-net3

ISDN BRI2/0 interface

dsl 16, interface ISDN Switchtype = basic-net3

Layer 1 Status:

DEACTIVATED

Layer 2 Status:

Layer 2 NOT Activated

Layer 3 Status:

0 Active Layer 3 Call(s)

Active dsl 16 CCBs = 0

The Free Channel Mask: 0x80000003

Number of L2 Discards = 0, L2 Session ID = 0

Cisco Employee

Re: bri layer 1 and 2 shows deactivate

BRI S/T module needs to have the external NT1 device to terminate the bri line

Are you using that at 3640?

Pl. visit here for more information

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis2600/hw_inst/nm_inst/nm-doc/conntbri.htm#xtocid2

Need to look for debug "debug isdn q921" along with "sh isdn status"

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