From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Fri Jun 22 2007 - 10:25:50 ART
Hi Angelo,
Well it looks like you and Maxim agree. I think you are both working on your
second CCIE's.
I don't know what exactly you have inbetween CSU/DSU wise (you said back to
back) but based on the output below it doesn't look like this arrangement
will work with anything other than one timeslot. A channel could be multiple
timeslots.
I have some 4000 series myself at home with cE1 cards so I might try this
too.
For anyone is interested this link
http://www.cisco.com/warp/public/74/87.html
explains the unchannelized, channelized and fractional channels used by T1
or E1 physical lines.
Gary
----- Original Message -----
From: "Angelo De Guzman" <a.deguzman@wesolv.ph.fujitsu.com>
To: "Maxim Kurushkin" <m.kurushkin@orange-ftgroup.ru>
Cc: <ccielab@groupstudy.com>
Sent: Friday, June 22, 2007 1:48 AM
Subject: Re(2): FR Back to Back
> Maxim,
>
> I said I think it would work so I just want somebody to concur with what
> I
> think. Showing me the config is not necessary. Guess what I am a CCIE. 8-)
> Anyway this back to back test would be tested over a an IP/MPLS cloud
> running
> CeSoP or SATOP.
>
> Angelo De Guzman, CCIE # 16887
>
> Maxim Kurushkin (6/21/2007 8:33 PM):
>>
>>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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>>
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