Alexandre Blardone wrote:
Hello,
I'd like to force 100Mbps full duplex on my WAN interface,
I know i have to add the following in the config file for the WAN
interface section
<media>100baseTX</media>
<mediaopt>full-duplex</mediaopt>
<bandwidth>100</bandwidth>
<bandwidthtype>Mb</bandwidthtype>
Is that all i have to do ?
If you're going to force, you have to force whatever device your WAN
port is connected to (switch, modem, router, or...) or you'll end up
with a duplex mismatch. You usually don't want to force speed and
duplex, no networking vendor recommends this practice anymore though
it's commonly ingrained in some people's heads because when autoneg was
first introduced it didn't always work well. This is 2007, not 1997, you
almost always want to use auto.
Is there a way to check what the connection negotiated to (10 vs
100Mbps, half vs full duplex)?
Status -> interfaces.
Should i also use that to set the other interfaces to gigabit ?
The gig E standard requires autonegotiation (and must be full duplex)
but you can set 1000baseTX. Again, I wouldn't recommend it. It can't
force with gig, I presume what the driver does in that case is only
advertises itself as a gigabit capable device and if the other side
can't negotiate at gigabit it won't bring up the interface.
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