Re: [NTLK] New Linksys Switch

From: Rob Hoehn (rob_at_hoehn.com)
Date: Mon Apr 22 2002 - 21:47:17 EDT


Very good information. Thank you. My newt works now. Although I'm not sure
what I did...

rob

On 4/22/02 5:47 AM, "Sunder" <sunder_at_sunder.net> wrote:

>
> Careful here.
>
> Ethernet is Carrier Sense Multi-Access Collision Detection. EtherTalk is
> Carrier Sense Multi-Access Collision Avoidance. What this means is that
> Ethernet knows when collisions occur. EtherTalk (AppleTalk on Ethernet)
> sends small 3 byte "shut-up-I'm-about-to-speak" packets that prevent other
> hosts from talking, so as to avoid collisions.
>
> Keep in mind that switches are intelligent devices (mostly) that look for
> the source and destination MAC (Media Access Control - not Macintosh!)
> addresses and connect those to the physical ports. If your switch has
> trouble recognizing a destination for a packet it should broadcast it
> until it sees that MAC on a port - from there on, it will send all packets
> that have that Mac as it's destination to that specific port.
>
> Did you previously have your Newt hooked up to a different port on the
> switch? Moving from one port to another may cause problems in some of the
> dumber switches. Usually you'll have to flush the switch's table (on
> those small linksys switches, just power cycle the fucker.) Did your Newt
> ever work with that switch?
>
> It is possible for a switch to not route ethertalk, but I've never heard
> of this happening in practice.
>
> In the worst case if you still have your old hub, hook your Newt and Mac
> to the hub, then hook the uplink upto the switch. It's a hack, but at
> least your Mac and Newt should still be able to communicate.
>
> ----------------------Kaos-Keraunos-Kybernetos---------------------------
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> + v + :will violate privacy|site, and you must change them very often.
> --------_sunder_@_sunder_._net_------- http://www.sunder.net ------------
>
> On Sat, 20 Apr 2002, Rob Hoehn wrote:
>
>>
>>
>> I just upgraded my home network to a linksys switch instead of a hub. Ever
>> since, I can't connect to my newt via ethernet. Is it possible that the
>> switch doesn't route Appletalk packets? Thanks.
>>
>> Rob
>>
>>
>> --
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>>
>>
>

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