Cisco Fast Etherchannel across two DWDM systems

Unanswered Question
Oct 15th, 2009

Hi,

Would like to know if anybody have the experience on depolying the Cisco Fast Etherchannel across two DWDM systems? Thanks.

Jonathan

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Giuseppe Larosa Thu, 10/15/2009 - 04:50

Hello Jonathan,

I understand correctly you have been tasked to use an Ethernet over SDH service to interconnect two point-to-point links and to build a bundle at both ends.

This should be possible and delay differences on the two paths shouldn't be a great problem like it might be for ATM IMA for example.

the service should be able to carry every valid frame over the DWDM pipe including signalling frames STP and LACP or PAGP to note.

Edit:

cisco has products of this kind in its portfolio

see

http://www.cisco.com/en/US/products/hw/optical/ps2001/products_white_paper09186a008021dea6.shtml

Also to be noted that in the past we had a strange problem at OSI layer1: connecting directly a 10/100/1000 port to a 10 Mbps of an SDH device caused problems, putting in the middle an older switch with 2 FE port worked.

Hope to help

Giuseppe

viyuan700 Thu, 10/15/2009 - 06:15

R u looking for something like this it is for 15454

http://www.cisco.com/en/US/docs/optical/15000r8_0/ethernet/454/guide/r8lnkag.html#wp1029073

card required for this in 15454 is

http://www.cisco.com/en/US/prod/collateral/modules/ps2831/ps6347/product_data_sheet09186a00801136f8_ps2006_Products_Data_Sheet.html

This is going over a SONET but if you have a DWDM system the SONET interface can be connecetd to DWDM system.

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