Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!apple!agate!ucbvax!EUROPA.CLEARPOINT.COM!kasten
From: kasten@EUROPA.CLEARPOINT.COM (Frank Kastenholz)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  TCP/IP, SNMP, and Bridges
Message-ID: <9105131326.AA01179@europa.clearpoint.com>
Date: 13 May 91 13:26:50 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 36


 > From tcp-ip-RELAY@nic.ddn.mil Sat May 11 11:47:48 1991
 > From: dog.ee.lbl.gov!hellgate.utah.edu!caen!sdd.hp.com!usc!srhqla!quad1!avatar!kory@ucsd.edu  (Kory Hamzeh)
 > Organization: Avatar Consultants
 > Subject: TCP/IP, SNMP, and Bridges
 > Sender: tcp-ip-relay@nic.ddn.mil
 > To: tcp-ip@nic.ddn.mil
 > 
 > 
 > If I have a TCP/IP stack running on a MAC layer bridge to support SNMP, must the
 > ethernet interfaces have unique IP addresses?
 > 
 > What if the device was an IP bridge or router?
 > 
 > Thanks,
 > Kory
 > 
 > 
 > -- 
 > -------------------------------------------------------------------------------
 > Kory Hamzeh             UUCP: avatar!kory or ..!uunet!avatar!kory
 >                     INTERNET: kory@avatar.com 
 > 

Kory,

Assuming that the device is JUST a bridge it need only have one
IP address (Though you could implement it with many if you so chose).

An IP router MUST have different IP addresses on its interfaces. Remember,
the purpose of an IP Router is to forward packets between different
IP networks and different IP Networks have different IP Network/Subnetwork
numbers, therefore the addresses will be different.

Frank Kastenholz
Clearpoint Research Corp.