At 11:23 AM 1/31/01, Sheahan, Ryan wrote:
>These are my thoughts,
>
>If the switch was right out of the box, the stations could ping each other
>no matter what subnet mask you were using. The reason being, they are
>located in the same broadcast domain, vlan1. This is the default vlan for
>all switched ports at this time. The first station would arp for the other,
>it would get a response because they are on the same layer 2 broadcast
>domain and they could speak directly using the switch.
If the subnet mask indicated the stations were not on the same subnet, the
station would not ARP for the other station. It would ARP for the default
gateway. So it wouldn't work "out of the box."
Priscilla
>
>
>Switches by default with no mls, are layer two devices. They have no
>concept of IP. They make decision based on layer 2 MAC addresses and the
>ports they are connected to. If these stations were in different vlans, the
>situation would change. You then have created two broadcast domains and in
>order for the devices to talk, a router or mls entry would be needed.
>
>Someone please correct me if I am wrong.
>
>
>
>
>-----Original Message-----
>From: Fowler, Joey
>To: [EMAIL PROTECTED]
>Sent: 1/31/01 10:52 AM
>Subject: RE: Ethernet switching
>
>Depends on the subnet mask you are using, for instance
>
>142.102.3.1 with a subnet mask of 255.255.0.0
>142.102.2.1 also with a subnet of 255.255.0.0
>
>The 2.1 and 3.1 would be on the same subnet, however if you have a
>different
>subnet mask I don't think it would work.
>
>Joey
>
>-----Original Message-----
>From: alexs [mailto:[EMAIL PROTECTED]]
>Sent: Saturday, September 09, 2000 7:42 AM
>To: [EMAIL PROTECTED]
>Subject: Ethernet switching
>
>
>Hello everyone,
>
>I have a question that probably will sound silly but here it is:
>Suppose that you take a new 2924 out of the box and you plug in two
>PC's.
>You assign address, for example, 142.102.2.1 to the first one and
>142.102.3.1 to the second one.There is not any router in this small
>network.142.102.2.1 tries to ping 142.102.3.1.The question is: will
>142.102.2.1 get a reply and why?
>Thanks
>alexs
>
>
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________________________
Priscilla Oppenheimer
http://www.priscilla.com
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