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Bonding of IP tunnels

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Special Forums IP Networking Bonding of IP tunnels
# 1  
Old 07-04-2012
Bonding of IP tunnels
Hello.
Our Company is spreaded over Germany.
There are main offices an branch offices.
These offices are mostly connecte via multiple sdsl.
We build a IPSEC VPN Infrastructure using Aastaro Security Gateways appliances.
It seemed that only one VPN Connetion between to offices could be established.
There is no chance of bundeling multiple Connections to improve the availabilty and speed.
MLPPP is not supported.
I evaluated a solution to establish more than one VPN tunnel between two offices.
Now i directed two ip tunnels through the VPN Tunnels (IPROUTE2).
These IP tunnels are bonded with ifenslave.

If i connect the internal Routers direct to each other all works fine.
A disconnected Link doesn't trouble.
If i connect the internal Routers via the VPN Tunnel it works fine as long as both links are established. If one Link is lost only every fourth data packet will be transmitted.

Has anyone an idea why this happens?
Is there a better Way to implement multiple Tunnels?

Thanks
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LEARN ABOUT MINIX

finger

FINGER(1)						      General Commands Manual							 FINGER(1)

NAME

       finger - user information lookup program

SYNOPSIS

       finger [ options ] name ...

DESCRIPTION

       By default finger lists the login name, full name, terminal name and write status (as a `*' before the terminal name if write permission is
       denied), idle time, login time, and office location and phone number (if they are known) for each current UNIX user.  (Idle time is minutes
       if it is a single integer, hours and minutes if a ':' is present, or days and hours if a 'd' is present.)

       A  longer  format  also	exists and is used by finger whenever a list of people's names is given.  (Account names as well as first and last
       names of users are accepted.)  This format is multi-line, and includes all the information described above  as  well  as  the  user's  home
       directory  and  login  shell, any plan which the person has placed in the file .plan in their home directory, and the project on which they
       are working from the file .project also in the home directory.

       Finger may be used to lookup users on a remote machine.	The format is to specify the user as ``user@host.''  If the user name is left off,
       the standard format listing is provided on the remote machine.

       Finger options include:

       -m     Match arguments only on user name.

       -l     Force long output format.

       -p     Suppress printing of the .plan files

       -s     Force short output format.

FILES

       /etc/utmp	   who file
       /etc/passwd	   for users names, offices, ...
       /usr/adm/lastlog    last login times
       ~/.plan		   plans
       ~/.project	   projects

SEE ALSO

       chfn(1), w(1), who(1).

AUTHOR

       Earl T. Cohen

BUGS

       Only the first line of the .project file is printed.

       There is no way to pass arguments to the remote machine as finger uses an internet standard port.

4th Berkeley Distribution					   May 10, 1986 							 FINGER(1)