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t-1 controller/interface config 3745

we had a private PPP T-1 installed. one end of the circuit is a ds3 that is allocated out as seperate PPP T-1 on a 7204 b/c we have a VOIP phone system with many small branch offices. it looks like i have the ds3 controller and the serial interface configured correctly other than the fact the line protocol is down on the serial interface. on the other side we have a 3745. i have a t1 controller in slot 1 of the 3745 up - but i cant configure the interface.(config)#int s1/0

^

% Invalid input detected at '^' marker.

any ideas?

thanks in advance.

8 REPLIES

Re: t-1 controller/interface config 3745

Can you post the output of "show ip interfaces brief" and "show controllers" for the T1?

What is in your config refering to the T1 controller?

Regards, Martin

New Member

Re: t-1 controller/interface config 3745

T1 1/0 is the one i'm working on now. i couldnt sh all the output.

sh ip interface brief

Interface IP-Address OK? Method Status Prot

ocol

FastEthernet0/0 unassigned YES manual up up

FastEthernet0/0.10 172.16.1.1 YES manual up up

FastEthernet0/0.15 192.168.128.1 YES manual up up

Serial0/0 172.16.1.1 YES TFTP up up

FastEthernet0/1 10.10.11.254 YES NVRAM up up

Serial0/1 172.16.1.1 YES TFTP up up

Serial0/2 172.16.1.1 YES TFTP up up

Serial3/0:0 unassigned YES unset down down

Serial3/0:1 unassigned YES unset down down

Serial3/0:2 unassigned YES unset down down

Serial3/0:3 unassigned YES unset down down

Serial3/0:4 unassigned YES unset down down

Serial3/0:5 unassigned YES unset down down

Serial3/0:6 unassigned YES unset down down

Serial3/0:7 unassigned YES unset down down

Serial3/0:8 unassigned YES unset down down

Serial3/0:9 unassigned YES unset down down

Serial3/0:10 unassigned YES unset down down

Serial3/0:11 unassigned YES unset down down

Serial3/0:12 unassigned YES unset down down

Serial3/0:13 unassigned YES unset down down

Serial3/0:14 unassigned YES unset down down

Serial3/0:15 unassigned YES unset down down

Serial3/0:16 unassigned YES unset down down

Serial3/0:17 unassigned YES unset down down

Serial3/0:18 unassigned YES unset down down

Serial3/0:19 unassigned YES unset down down

Serial3/0:20 unassigned YES unset down down

Serial3/0:21 unassigned YES unset down down

Serial3/0:22 unassigned YES unset down down

Serial3/0:23 unassigned YES NVRAM up up

Serial4/0:0 172.16.1.1 YES TFTP up up

Serial4/1:0 172.16.1.1 YES TFTP up up

Serial4/2:0 172.16.1.1 YES TFTP up up

Serial4/3:0 10.0.0.22 YES NVRAM up up

sh controllers t1

T1 1/0 is up.

Applique type is Channelized T1

Cablelength is long gain36 0db

No alarms detected.

alarm-trigger is not set

Version info Firmware: 20040713, FPGA: 15, spm_count = 0

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

CRC Threshold is 320. Reported from firmware is 320.

Data in current interval (678 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 24 hours)

0 Line Code Violations, 2295 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 72458 Unavail Secs

Re: t-1 controller/interface config 3745

Hi

Can you try this config and check whether you are getting interface serial 1/0:0 up ?

controller T1 1/0

no shut

framing esf

linecoding b8zs

clock source line

channel-group 0 timeslots 24 speed 64

Once you get the serial interface up in your config you can configure up the same using normal ip addres under it..

interface serial 1/0:0

ip address 10.x.y.z 255.255.255.0

regds

New Member

Re: t-1 controller/interface config 3745

(config-controller)#channel-group 0 timeslots 24 speed 64

%Timeslot 24 already used by other ds0-group

sh run ---->controller T1 1/0

shutdown

framing esf

linecode b8zs

ds0-group 1 timeslots 1-24 type e&m-wink-start

i cant get rid of the ds0-group cmd - thats why the interface is shut down. it says it still in use but its not.

Purple

Re: t-1 controller/interface config 3745

Hi Jerry,

So what happens when you do the following:

conf t

controller t1 1/0

no ds0-group 1

Paresh

Re: t-1 controller/interface config 3745

Jerry,

You should be able to remove the ds0-group command after shutting down the controller.

conf t

controller t1 1/0

shut

no ds0-group 1

Pls. rate all helpful posts.

Sundar

New Member

Re: t-1 controller/interface config 3745

i tried to shut the interface and this is what i get.

(config-controller)#no ds0-group 1

Voice port(s) still in service

%This CAS group is not down, can not be changed

New Member

Re: t-1 controller/interface config 3745

i had to disable the voice port that the ds0-group 1 command created then i could shut the controller and remove the ds0-group then add the proper channel-group command to the controller.

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