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Conference irocz::common_brouters

Title:	Digital Brouters Conference
Notice:	New common-code brouter family: RouteAbout, DECswitch 900
Moderator:	MARVIN::HARTLL

Created:	Mon Jul 17 1995
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	929
Total number of notes:	3736

779.0. "IP un-numbered over WAN link?" by SNOFS1::63496::CHIUANDREW () Tue Mar 04 1997 23:17

    Hi,
    
    Just want to confirm how IP un-numbered over PPP or WAN link?
    
    since the address for the WAN interface is 0.0.0.x (where x is it's
    interface number), so which IP address will be used to talk to remote
    router (i.e. for Aw90EW, if we setup IP un-numbered for interface 2,
    but use ip address for interface 1, then which ip address will be used
    for as IP un-numbered for interface 2 ?)
    
    Secondly, can we use IP un-numbered for ISDN interface?
    
    thanks in advance for help!
    Andrew Chiu - NSIS Sydney

T.R	Title	User	Personal Name	Date	Lines
779.1	unnumbered link address selection order	MARVIN::HART	Tony Hart, InterNetworking Prod. Eng. Group	`Wed Mar 05 1997 03:37`	22
	> since the address for the WAN interface is 0.0.0.x (where x is it's > interface number), so which IP address will be used to talk to remote > router (i.e. for Aw90EW, if we setup IP un-numbered for interface 2, > but use ip address for interface 1, then which ip address will be used > for as IP un-numbered for interface 2 ?) The router will use the following addresses in this order as the source address on un-numbered links... 1. The configured internal IP address (if there is one) 2. The configured router-id if it matches one of the interface addresses and that interface is UP. 3. The ip address on the lowest numbered interface that is both UP and has an ip address. > Secondly, can we use IP un-numbered for ISDN interface? You run IP on the associated dial circuit, and you should be able to run that circuit unnumbered (the ISDN experts will correct me if I'm wrong). Tony
779.2	thanks! that's clear!	SNOFS1::63496::CHIUANDREW		`Wed Mar 05 1997 19:09`	5
	re .1, Thanks for your quick reply! Andrew Chiu - NSIS Sydney