[c-nsp] ipodwdm - asr 9000

Mohacsi Janos mohacsi at niif.hu
Wed Apr 3 05:20:25 EDT 2013 

Hi Aaron,
 	Can you try configuring the DWDM channel with frequency, instead 
of channel. We run into a similar problem a while ago. Solution was to 
configure with frequency.
 	Best Regards,

Janos Mohacsi
Head of HBONE+ project
Network Engineer, Director Network and Multimedia
NIIF/HUNGARNET, HUNGARY
Co-chair of Hungarian IPv6 Forum
Key 70EF9882: DEC2 C685 1ED4 C95A 145F  4300 6F64 7B00 70EF 9882

On Tue, 2 Apr 2013, Aaron wrote:

> Running ios xr 4.1.2
>
> -----Original Message-----
> From: Pshem Kowalczyk [mailto:pshem.k at gmail.com]
> Sent: Tuesday, April 02, 2013 3:58 PM
> To: Aaron
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] ipodwdm - asr 9000
>
> If the filters only allow channel 35 that's what the optics should be tuned to. I'm not sure how to verify that, since clearly you set the channel and yet the show commands do not confirm that.
> All that comes to mind is to confirm the actual frequencies of those channels on the DWDM filters (we've encountered some incompatibilities with Ericsson OTN equipment - their bands didn't always exactly aligned with ITU channels).
>
> What software version are you running on those ASR9k?
>
> kind regards
> Pshem
>
>
> On 3 April 2013 09:50, Aaron <aaron1 at gvtc.com> wrote:
>> I just checked this with my collegue...
>>
>> The link from 9k to 9k passes through dwdm filters which filter on
>> channel 35
>>
>> We pad that link and get around -12 to -15
>>
>> What do you think about all this ?
>>
>> Aaron
>>
>>
>>
>> -----Original Message-----
>> From: Pshem Kowalczyk [mailto:pshem.k at gmail.com]
>> Sent: Tuesday, April 02, 2013 3:16 PM
>> To: Aaron
>> Cc: cisco-nsp at puck.nether.net
>> Subject: Re: [c-nsp] ipodwdm - asr 9000
>>
>> Hi,
>>
>> I'm not sure if this is relevant, but channel 53 is 194.55THz and 1540.95nm (see here:
>> http://www.cisco.com/en/US/prod/collateral/modules/ps5455/data_sheet_78-458530.html).
>>
>> 193 THz is channel 22 and 1549.315nm is in fact channel 32. Output on both routers shows the same values, so perhaps they do tune the optics the same way. Is this a direct fibre, or does it go through some other equipment? Also - what's the light budget of the link?
>>
>> kind regards
>> Pshem
>>
>>
>> On 3 April 2013 07:24, Aaron <aaron1 at gvtc.com> wrote:
>>> Opps, I added those dots "..."
>>>
>>> It looks like this...
>>>
>>> 9k-1 -
>>>
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL,
>>> 10G-TUNABLE-by-WAVELENGTH,
>>>
>>>
>>> 9k-2 -
>>>
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL,
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: cisco-nsp-bounces at puck.nether.net
>>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Aaron
>>> Sent: Tuesday, April 02, 2013 1:12 PM
>>> To: 'Mikael Abrahamsson'
>>> Cc: cisco-nsp at puck.nether.net
>>> Subject: Re: [c-nsp] ipodwdm - asr 9000
>>>
>>> Interesting, look what I just saw while comparing....  is this significant?
>>>
>>> 9k-1...
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL,
>>> 10G-TUNABLE-by-WAVELENGTH, ...
>>>
>>> 9k-2...
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL, ...
>>>
>>>
>>> -----Original Message-----
>>> From: cisco-nsp-bounces at puck.nether.net
>>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Aaron
>>> Sent: Tuesday, April 02, 2013 12:57 PM
>>> To: 'Mikael Abrahamsson'
>>> Cc: cisco-nsp at puck.nether.net
>>> Subject: Re: [c-nsp] ipodwdm - asr 9000
>>>
>>>
>>> RP/0/RSP0/CPU0:9k-1#show controller dwdm 0/0/0/0 Tue Apr  2
>>> 12:57:25.697 CDT
>>>
>>> Port dwdm0/0/0/0
>>>
>>> Controller State: up
>>>
>>> Transport Admin State: In Service
>>>
>>> Loopback: None
>>>
>>> G709 Status
>>>
>>>          G709 Disabled
>>> Connectivity Info
>>>
>>>                 Network Port ID:  0/0/0/0
>>>                 Network Connection ID:  0/0/0/0
>>>
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL, 10G-TUNABLE-by-WAVELENGTH,
>>>          Wavelength Info: C-Band, MSA ITU Channel=53,
>>> Frequency=193.00THz, Wavelength=1549.315nm
>>>          TX Power = 0.47 dBm
>>>          RX Power = -16.81 dBm
>>> TDC Info
>>>
>>>         TDC Not Supported on the Plim
>>>
>>> Network SRLG values:
>>>
>>>         Not Configured
>>>
>>> RP/0/RSP0/CPU0:9k-1#
>>>
>>> *********************************************************************
>>> *
>>> *****
>>>
>>> RP/0/RSP0/CPU0:9k-2#show controller dwdm 0/1/0/1 Tue Apr  2
>>> 12:55:29.783 CDT
>>>
>>> Port dwdm0/1/0/1
>>>
>>> Controller State: up
>>>
>>> Transport Admin State: In Service
>>>
>>> Loopback: None
>>>
>>> G709 Status
>>>
>>>          G709 Disabled
>>> Connectivity Info
>>>
>>>                 Network Port ID:  0/1/0/1
>>>                 Network Connection ID:  0/1/0/1
>>>
>>>
>>> Optics Status
>>>
>>>          Optics Type:  10G-TUNABLE-by-CHANNEL,
>>>          Wavelength Info: C-Band, MSA ITU Channel=53,
>>> Frequency=193.00THz, Wavelength=1549.315nm
>>>          TX Power = 0.41 dBm
>>>          RX Power = -16.02 dBm
>>> TDC Info
>>>
>>>         TDC Not Supported on the Plim
>>>
>>> Network SRLG values:
>>>
>>>         Not Configured
>>>
>>> RP/0/RSP0/CPU0:9k-2#
>>>
>>>
>>> -----Original Message-----
>>> From: Mikael Abrahamsson [mailto:swmike at swm.pp.se]
>>> Sent: Tuesday, April 02, 2013 11:38 AM
>>> To: Aaron
>>> Cc: cisco-nsp at puck.nether.net
>>> Subject: Re: [c-nsp] ipodwdm - asr 9000
>>>
>>> On Tue, 2 Apr 2013, Aaron wrote:
>>>
>>>> Any assistance is appreciated
>>>
>>> "show controller dwdm 0/0/0/0" both ends.
>>>
>>> --
>>> Mikael Abrahamsson    email: swmike at swm.pp.se
>>>
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>>
>
>
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