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adding a route to the default gateway

Posted on 2002-05-24
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Last Modified: 2013-12-16
Hi,

I have Redhat 7.3 installed and I'm using KPPP to dial up my ISP.  The ISP uses dynamic IP and so I get a new IP address when I connect.

The problem is opera/mail etc can't communicate with the internet until I open a console and type

route add default gw <ipaddress>

where ipaddress is the one given to me by the ISP.

I'm obviously doing something wrong.

Can anyone tell me how to set this up so it all happens automatically and correctly.

Thanks,
Mike.
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Question by:MDarling
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8 Comments
 

Expert Comment

by:rprakasan
ID: 7031759
Are u using any proxy settings on this. Then I suggest set the manual proxy setting in the Opera browser.
0
 
LVL 3

Author Comment

by:MDarling
ID: 7031793
no proxy settings - just a straight workstation connecting to the web.

0
 
LVL 51

Expert Comment

by:ahoffmann
ID: 7032974
enable following in /etc/ppp/options

defaultroute

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LVL 3

Author Comment

by:MDarling
ID: 7033398
Hi ahoffman,

I tried this without success.

I tried adding it to the pppd arguments in the KPPP connection and I also tried editing /etc/ppp/options and adding it in there.

Neither seems to work, am I doing something wrong?

Regards,
Mike.
0
 
LVL 51

Expert Comment

by:ahoffmann
ID: 7034179
please post /etc/ppp/options
You also may have n options.* file there for your named connection, check it too.
And there should be a ip-up script, it should contain something like:

    /sbin/route add default gw $REMOTEIP dev $INTERFACE
0
 
LVL 3

Author Comment

by:MDarling
ID: 7035831
Hi ahoffman

/etc/ppp/options

>>>>
lock
defaultroute
<<<<

/etc/ppp/ip-up

>>>>
#!/bin/bash

# This file should not be modified -- make local changes to
# /etc/ppp/ip-up.local instead

LOGDEVICE=$6
REALDEVICE=$1

export PATH=/sbin:/usr/sbin:/bin:/usr/bin

[ -f /etc/sysconfig/network-scripts/ifcfg-${LOGDEVICE} ] && /etc/sysconfig/network-scripts/ifup-post ifcfg-${LOGDEVICE}

[ -x /etc/ppp/ip-up.local ] && /etc/ppp/ip-up.local "$@"

exit 0
<<<<


I don't have an ip-up.local.

Regards,
Mike.
0
 
LVL 51

Accepted Solution

by:
ahoffmann earned 400 total points
ID: 7036690
ip-up does not setup the required route, try with following:

  INTERFACE=$1
  REMOTEIP=$5
  /sbin/route add default gw $REMOTEIP dev $INTERFACE
0
 
LVL 3

Author Comment

by:MDarling
ID: 7037739
Hi ahoffman,

Thanks for your help, your solution worked with the exception I needed to use REMOTEIP=$4 rather than $5.

Thanks, a lot.
Regards,
Mike.
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