[j-nsp] Duplex settings for FastE ports
Sabri Berisha
sabri at cluecentral.net
Fri Oct 12 05:23:55 EDT 2007
Hi,
> /xxxx at xxxx> show configuration interfaces fe-0/2/0
> description "";
> speed 100m;
> link-mode full-duplex;
> unit 0 {
> family inet {
> address xxx.xxx.xxx.xxx/30;
> }
> }
>
> xxxx at xxxx> show interfaces fe-0/2/0 media
> Autonegotiation information:
> Negotiation status: Incomplete
When you manually configure speed and duplex-mode on an FE-PIC,
auto-negotiation is automatically disabled. You will have to make sure
the other end is not trying auto-negotiation as well otherwise it will
revert back to half-duplex en you end up with a broken link.
On a side note: on a GE-PIC this behaviour is different:
auto-negotiation is not automatically disabled and you need to
explicitly configure this under gigether-options:
ge-0/0/3 {
description "cool link";
speed 100m;
link-mode full-duplex;
gigether-options
{
no-auto-negotiation;
}
unit 0 {
family inet {
address 192.168.1.1/30;
}
}
}
Thanks,
--
Sabri
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