AGAIN MTU and distance

[gena1405]

HI

The situation is :

simplest configuration of net Pe---Pe

2 pe routers 7603 - 3BXL connected each other ethernet connection through sm fibers

During test in rack all is fine .

when we install this PEs at distance 100 km ( GBIC CWDM ) we found strange situation if the more mtu size the more often OSPF detected down state inspite of the fact that link status is OK after reset interface link go on work.

We check optical power budget - it 's oK

Maybe anyone have met this situations

Thx advance

[didyap]

Have a look at this document on Gigabit Interface Converter (GBIC) Module and Small Form-Factor Pluggable (SFP) GBIC Module Install. Info. and Specifications.

http://www.cisco.com/en/US/products/hw/routers/ps341/prod_module_installation_guide09186a00801cc731.html