Re: switch

On Monday 03 January 2005 22:04, Mikey wrote:
> what is the name of the program used to communicate with a switch?
> I got the ip of my ethernet but don't remember what I numbered the switch
> as. I have the cord rj-45 to Serial port cable we made last time we tried
> to work this out. remember, I destroyed all of my old mail when the home
> directory was deleted. 'aprpops port' didn't help; neither did 'apropos
> ttyS'. i appologize for needing to bug you about this again.
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YOu know, I was thinking about what I've learned from the list over the past
weeks about 'ip' and thought that it might be of some use with the topic at
hand.

First, lets test it on some known devices:

bmike1@1[bmike1]$ ip link show eth0 (lucky guess thinking of eth0)
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:08:c7:ca:62:4b brd ff:ff:ff:ff:ff:ff
bmike1@1[bmike1]$ ip link show ppp0
3: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP> mtu 1500 qdisc pfifo_fast qlen 3
    link/ppp

Ok. So then it works w/o sudo.

Now, will it work on the serial ports:

bmike1@1[bmike1]$ ip link show ttyS0
Device "ttyS0" does not exist.
bmike1@1[bmike1]$ ip link show ttyS1
Device "ttyS1" does not exist.

I guess not.
But wait a second; eth0 appears to be device 2 and ppp0 device 3: so, what is
device 1.

bmike1@1[bmike1]$ ip link show 1
Device "1" does not exist.
bmike1@1[bmike1]$

Anyone know what I should do? How do I see what device '1' is, could that be
the switch? I don't think so because eth0 and ppp0 are all internal devices.
But what does that mean. They could also be external devices. Know what I
mean? I bet device 1 is the scsi controller

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