[j-nsp] Setting PE-4FE-TX port to 10m gives 'Illegal media change: invalid speed'

Erwin D t4lruum at gmail.com
Wed Sep 5 06:18:08 EDT 2007


Hi,

http://www.juniper.net/techpubs/software/junos/junos83/swconfig83-network-interfaces/html/interfaces-ethernet-config2.html


The statement speed (10m | 100m) applies only to the management Ethernet
interface (fxp0) and to the Fast Ethernet 12-port and 48-port Physical
Interface Cards (PICs). The 4-port and 8-port Fast Ethernet PICs support a
speed of 100 Mbps only.

Thanks,

~Erwin

On 9/5/07, Ras <jeekay at gmail.com> wrote:
>
> I've just tried to set a port on an PE-4FE-TX to 10m (set interfaces
> fe-0/0/1 speed 10m). This works fine on our PE-12FE-TX and the 'commit
> check' says all is well, but when I commit I get:
>
> /kernel: %KERN-2: fe-0/0/1: Illegal media change: invalid speed
>
> Are these 100m only ports? If not, what else might be wrong?
>
> Thanks,
> Ras
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