Live IP to live IP router?

Live IP to live IP router?

Post by Flame Teste » Thu, 23 Aug 2001 10:20:45



Hi All

I am confused.  Well, ok so that happens most of the time.  Anyway -
check out the routing table below.

Kernel IP routing table
Destination  Gateway   Genmask         Flags Metric Ref   Use Iface
216.145.9.8     0.0.0.0   255.255.255.248 U     0      0        0 eth0
216.145.20.0    0.0.0.0   255.255.255.0   U     0      0        0 eth1
127.0.0.0       0.0.0.0     255.0.0.0       U     0      0        0 lo
0.0.0.0   216.145.20.1    0.0.0.0         UG    0      0        0 eth1
0.0.0.0   216.145.20.1    0.0.0.0         UG    1      0        0 eth1

Seems to me that the gateway(s) are wrong.  Sure 20.1 is for the 20.0
network, but shouldn't  there be a host entry here for the router?
Which in this case is 216.145.20.53  (eth1) and 216.145.9.9 (eth2).  I
have deleted the second 0.0.0.0 destination (metric 1 ) and have added
two host entries, but when restarted, we get back to this.  Haven't
been able to find the file that this info comes from ... yet!

Thinks work fine from 0.0.0.0 thru 216.145.20.53 to 216.145.9.9 but is
REALLY slow going the other way.  Sometime I get entries something
like this using traceroute  

216.145.9.10 1223mS !H  1663mS  !H

Using RH7.0, Pent133, 40Meg, 1.1gig

This is a fresh install.  I suspect that I have missed something
tiny....again.

tod

NorthWestComputer.Com, Inc.
POBox 5458
Everett, WA 98206-5458

425.252.7498

http://www.northwestcomputer.com

 
 
 

Live IP to live IP router?

Post by David Macka » Thu, 23 Aug 2001 10:35:34



> Hi All

> I am confused.  Well, ok so that happens most of the time.  Anyway -
> check out the routing table below.

> Kernel IP routing table
> Destination  Gateway   Genmask         Flags Metric Ref   Use Iface
> 216.145.9.8     0.0.0.0   255.255.255.248 U     0      0        0 eth0
> 216.145.20.0    0.0.0.0   255.255.255.0   U     0      0        0 eth1
> 127.0.0.0       0.0.0.0     255.0.0.0       U     0      0        0 lo
> 0.0.0.0   216.145.20.1    0.0.0.0         UG    0      0        0 eth1
> 0.0.0.0   216.145.20.1    0.0.0.0         UG    1      0        0 eth1

> Seems to me that the gateway(s) are wrong.  Sure 20.1 is for the 20.0
> network, but shouldn't  there be a host entry here for the router?
> Which in this case is 216.145.20.53  (eth1) and 216.145.9.9 (eth2).  I
> have deleted the second 0.0.0.0 destination (metric 1 ) and have added
> two host entries, but when restarted, we get back to this.  Haven't
> been able to find the file that this info comes from ... yet!

> Thinks work fine from 0.0.0.0 thru 216.145.20.53 to 216.145.9.9 but is
> REALLY slow going the other way.  Sometime I get entries something
> like this using traceroute  

> 216.145.9.10 1223mS !H  1663mS  !H

> Using RH7.0, Pent133, 40Meg, 1.1gig

> This is a fresh install.  I suspect that I have missed something
> tiny....again.

Do you really want two default routes?  Can messages get to the internet
from both routers directly?  If so, then you're into the advanced
routing area.  Now, if you have a better shot from one router to the
internet, use that one for your default route.  And, yes, your gateway
should be the address of the router for the appropriate network.

It sounds like you may be generating a bit of a routing loop by trying
to go out both interfaces.  It's a bit hard to tell without more
information on your network topology.

Dave

 
 
 

Live IP to live IP router?

Post by Flame Teste » Thu, 23 Aug 2001 20:42:29


Dave

What info do you need.

DSL connection to 216.145.20.1 ( from 216.145.20.53 ) using local live
IP address 216.145.9.8/29

Right now, no Windoz boxes on either network

As to wanting two default routes - this is the problem.  Seem that the
kernel has decided that this is what I need.  Like I said, I can go in
can change 'em, but if a restart or reboot happens, they return to
what is shown.

Could it be that the kernel is smarter than I and knows that the
second route ( metric 1) is from the 9.9 connection?  I would think
that it would be eth0 for the device?

thanks

tod

On Tue, 21 Aug 2001 20:35:34 -0500, David Mackay



>> Hi All

>> I am confused.  Well, ok so that happens most of the time.  Anyway -
>> check out the routing table below.

>> Kernel IP routing table
>> Destination  Gateway   Genmask         Flags Metric Ref   Use Iface
>> 216.145.9.8     0.0.0.0   255.255.255.248 U     0      0        0 eth0
>> 216.145.20.0    0.0.0.0   255.255.255.0   U     0      0        0 eth1
>> 127.0.0.0       0.0.0.0     255.0.0.0       U     0      0        0 lo
>> 0.0.0.0   216.145.20.1    0.0.0.0         UG    0      0        0 eth1
>> 0.0.0.0   216.145.20.1    0.0.0.0         UG    1      0        0 eth1

>> Seems to me that the gateway(s) are wrong.  Sure 20.1 is for the 20.0
>> network, but shouldn't  there be a host entry here for the router?
>> Which in this case is 216.145.20.53  (eth1) and 216.145.9.9 (eth2).  I
>> have deleted the second 0.0.0.0 destination (metric 1 ) and have added
>> two host entries, but when restarted, we get back to this.  Haven't
>> been able to find the file that this info comes from ... yet!

>> Thinks work fine from 0.0.0.0 thru 216.145.20.53 to 216.145.9.9 but is
>> REALLY slow going the other way.  Sometime I get entries something
>> like this using traceroute  

>> 216.145.9.10 1223mS !H  1663mS  !H

>> Using RH7.0, Pent133, 40Meg, 1.1gig

>> This is a fresh install.  I suspect that I have missed something
>> tiny....again.

>Do you really want two default routes?  Can messages get to the internet
>from both routers directly?  If so, then you're into the advanced
>routing area.  Now, if you have a better shot from one router to the
>internet, use that one for your default route.  And, yes, your gateway
>should be the address of the router for the appropriate network.

>It sounds like you may be generating a bit of a routing loop by trying
>to go out both interfaces.  It's a bit hard to tell without more
>information on your network topology.

>Dave

NorthWestComputer.Com, Inc.
POBox 5458
Everett, WA 98206-5458

425.252.7498

http://www.northwestcomputer.com

 
 
 

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