[c-nsp] 10GBase-LX4 and OM2 fibre -- MCP?

Mack McBride mack.mcbride at viawest.com
Wed Aug 4 16:45:26 EDT 2010

LX4 is not supported on the 6500s.

Show int trans supported-list
X2 LX4                   NONE

Mack McBride
Network Architect
Viawest, Inc.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Cisco NSP
Sent: Wednesday, August 04, 2010 2:21 PM
To: cisco-nsp
Subject: [c-nsp] 10GBase-LX4 and OM2 fibre -- MCP?

Hi all,

I'm not very fibre-savvy, so if anybody could help me, I'd very much
appreciate it!

I have two Cisco 6500s about 250 meters apart in two separate buildings.
Between those two buildings I have OM2 grade fibre. and both Cisco have an
10GBase-LX4 X2 interface.

When I measure the fibre end-to-end it has about 1,9dB attenuation in the
1300nm spectrum but when I connect the fibre to the interface, I don't get
A little troubleshooting pointed me to mode conditioning patches (a piece of
SM and MM welded together) but I find it very hard to believe that this
patch will solve my problem.

Before I invest 800$ for 2 patch-fibers, Is this the way I should go, or am
I overlooking anything?

Thanks in advance,
Dirk-Jan van Helmond
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