From: Maxim Kurushkin (m.kurushkin@orange-ftgroup.ru)
Date: Thu Jun 21 2007 - 09:33:41 ART
This question is from CCNA. :-)
Yes
Yes
No
controller E1 0/0/0
channel-group 1 timeslots 1 speed 64 <---------------------You have
created Serial 0/0/0:1 interface with 1 timeslot.
!
interface Serial0/0/0:1 <---------------Created Serial interface from
E1. This interface is as ordinary Serial interface. You can do any
encapsulation and so on.
no ip address
!
Router(config)#controller E1 0/0/0
Router(config-controller)#channel-group ?
<0-30> Channel number
<------------------ Nuber X in "Serial 0/0/0:X"
Router(config-controller)#channel-group 2 ?
timeslots List of timeslots in the channel group
unframed Unframed in the channel group
Router(config-controller)#channel-group 2 tim
Router(config-controller)#channel-group 2 timeslots ?
<------------------ Which timeslots do you want to use?
<1-31> List of timeslots which comprise the channel
Router(config-controller)#channel-group 2 timeslots 2-16 ?
speed Specify the speed of the underlying DS0s
Router(config-controller)#
Router#
*Jun 12 12:42:34.495: %SYS-5-CONFIG_I: Configured from console by console
*Jun 12 12:42:35.087: %LINK-3-UPDOWN: Interface Serial0/0/0:2, changed
state to down
*Jun 12 12:42:36.087: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0/0:2, changed state to down
Router#sh ip int brief
Interface IP-Address OK? Method
Status Protocol
FastEthernet0/0 10.170.18.1 YES NVRAM
up down
FastEthernet0/1 192.168.1.1 YES NVRAM
up down
Serial0/0/0:1 unassigned YES unset
down down
Serial0/0/0:2 unassigned YES unset
down down <--------------------------- Created!!!
Serial0/1/0 unassigned YES NVRAM administratively
down down
Serial0/1/1 unassigned YES NVRAM administratively
down down
Loopback0 172.23.77.97 YES NVRAM
up up
Router#sh run
...
controller E1 0/0/0
channel-group 1 timeslots 1 speed 64
channel-group 2 timeslots 2-16 speed 64
!
interface Serial0/0/0:1
no ip address
!
interface Serial0/0/0:2
no ip address
!
Router#sh int s 0/0/0:1
Serial0/0/0:1 is down, line protocol is down
Hardware is GT96K Serial
MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 0, LMI stat recvd 0, LMI upd recvd 0, DTE LMI down
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 1023 LMI type is CISCO frame relay DTE
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface broadcasts 0
Last input never, output never, output hang never
Last clearing of "show interface" counters 00:00:46
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 48 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Timeslot(s) Used:1, SCC: 0, Transmitter delay is 0 flags
Router#sh int s 0/0/0:2
Serial0/0/0:2 is down, line protocol is down
Hardware is GT96K Serial
MTU 1500 bytes, BW 960 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set
Keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 720 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Timeslot(s) Used:2-16, SCC: 0, Transmitter delay is 0 flags
Router#
WBR,
Maxim
Angelo De Guzman wrote:
> Hi Group,
> Anyone tried using FR back to back over channelized E1? If yes did it work
> using a single timeslot? Or you need to assign the whole 31 timeslot? I am
> thinking this would work but I dont have the routers to test it. I have done it
> using serial (V.35) interface.
> Thanks for your reply,
> Angelo De Guzman, CCIE# 16887
>
>
>
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