J-series and Cisco ME3400 L2 Issues
giulianocm at uol.com.br
Thu Feb 12 03:22:52 UTC 2009
We never had the problem, but, today, Juniper release the 9.4 version of
Maybe you can check the release notes to see if you find something
> Hello all!
> Recently, KanREN has begun purchasing Ethernet circuits from a new
> provider who uses a Cisco ME3400 for CPE to provide the link to us. We
> use primarly Juniper J-2320 and J-4350 routers for our site equipment
> (running JunOS 9.3 Enhanced Services).
> We've seen a problem getting Layer2 to function correctly with various
> speed and duplex settings. We tried every combo of hardcoded settings on
> both sides but simply couldn't resolve some L2 errors and interface
> resets. In the end, we found a stable setup with the J-series set to
> auto/auto and the ME3400 set to 100/full.
> Has anyone else seen similar problem using either the J-series or an
> ME3400? If so, did you ever find a complete resolution (or explanation)?
> Thanks for any insight!
> Brad Fleming
> Network Engineer
> Kansas Research and Education Network
> Office: 785-856-9800 x.222
> Moblie: 785-865-7231
> NOC: 866-984-3662
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