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Re: (ASCEND) Max answering with second IP address...



Hi Phil,

Dans son message (In his/her message), Phillip Vandry ecrivait (wrote) :
> > Hello,
> 
> In almost (ALMOST!) all implementations of IP that I know of, the address
> that appears in a traceroute when the node has more than one IP address
> is the address of the interface which is used to send packets BACK to
> the source of the traceroute (which may or may not be the same interface
> over which the traceroute is coming IN, if your routing as asymetrical).
Technically, I do agree with you...

The problems are :
 - it is changing from one traceroute to another one within minutes,
 - the indicated command returns only one route :
Def-Max1% iproute show 194.2.33.97

Destination        Gateway         IF       Flg   Pref Met     Use     Age
0.0.0.0/0          194.2.28.34     ie0      SGP     60   1    9136   23293

Paul

> 
> >From the terminal server, do
> 
> "sh ip rout ip.address.of.machine.from.which.you.are.tracerouting"
> 
> See What "Gateway" and "IF" say. If might be "ie0", indicating that the
> packet will go out the Ethernet interface, but is "Gateway" indicating
> the secondary address of an address on the same LAN as the secondary
> address?
> 
> -Phil
> 


Paul Rolland, rol@oleane.net
OLEANE SA/Service Technique/Directeur Technique Adjoint
OLEANE SA/Technical Service/Deputy Technical Manager

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