UDLD in Metro Ethernet

[JULIO DE OLIVEIRA]

Can i use udld between two switches connected in a metro ethernet network? My idea is use the udld to monitoring the health of the two physical interfaces that are doing part of the ether-channel. Each switch in the Data Center Interconnect have two links of different service providers and in the case of a failure in the Service Provider network, the interface of the channel goes down.

[Giuseppe Larosa]

Hello Julio,

sorry for late answer

you can try to use LACP to have LACP control frames sent over each member link.

Lack of reception of LACP frames will move a link out of the bundle

in metro ethernet environment the better tool is ethernet OAM CFM mode that can involve SP nodes in the performed tests.

Hope to help

Giuseppe

[judebryant]

on your metro device perform a show interface transceiver to show light levels of sfp.

Also if you are using a program like cacti you can creat thresholds on light levels to alarm you as the light may be degrading.

Always worked for me

Regards

Jude Bryant