[Babel-users] Multiple internet gateways in the mesh

[Ali Mezgani]

Hello everyone,


Interesting talk about what can be used with Babel protocol. In despite and figure out what I learned about it, 
I suggest to the babel team and Julius, To develop an interactive interface to talk with most of Babel's services.

The interface should use Lex and Yacc tools and some libraries using C language, and a web interface using Ruby.
I’m ready to be part of the project if the most of developers are interested. However I should take a look at the syntax of Babel which should 
know some semantic issues.

Also, I’m a volunteer to maintain babel on Debian if it’s not or be part of the Debian team.
Integrate it in some boxes or appliances running routing protocol as like as Zebra, Quagga … at first is good.

Else if you wish to see babel growing as a black SAS’s boxes like Cisco firms's appliances, in this case Julius should became rich :-)

Let me felicitate you again pretty nice job Babel team.

--
Mezgani Ali
ali.mezgani at icloud.com
https://www.nativelabs.ma/
+212 6 79 11 95 30
 




> On 07/11/2021, at 17:19, Mark Shuttleworth <mark.shuttleworth at canonical.com> wrote:
> 
> Hi folks
> 
> I run a mesh across three sites each of which has their own internet connection, but they are of different capacities.
> 
> Babel does a great job of keeping the three sites talking to one another. But I am unable to get the default route behaviour that I would like. I would like to use the fastest internet connection that is available for the whole mesh. If I can get all traffic going out of the fastest internet connection, that would be great, and if not I'd like the mesh to fall back to the second fastest, and finally third fastest connection.
> 
> I have a hack which pings from each site to see if its own internet connection is up. If it is, it installs a default route. The metric of the installed route reflects the speed of the connection. If its own link is down, it removes any default route, so that Babel will tell it to use another default route from elsewhere in the mesh. What I was hoping is that Babel would install multiple default routes, with metrics that reflect the speed of the relevant internet connection. So the router for a particular site might have its own default route with metric 500, and get a route from elsewhere in the mesh via Babel with a lower metric. That isn't happening. It seems that Babel will not put its own proto route into the table, if there is a static route already configured.
> 
> I've tried playing with "allow-duplicates 20", but Babel crashed (1.10). I poked at babel-pinger despite the warnings (:-)) but was unable to figure that out.
> 
> Any other suggestions?
> 
> For reference on of the hosts babel.conf looks like this:
> 
> # For more information about this configuration file, refer to
> # https://www.irif.fr/~jch/software/babel/babeld.html
> pid-file /var/snap/babeld-sabdfl/common/pid
> log-file /var/snap/babeld-sabdfl/common/log
> state-file /var/snap/babeld-sabdfl/common/state
> link-detect true
> reflect-kernel-metric true
> interface bond-lan type wired rxcost 100
> interface bond-plein-1 type wired rxcost 24
> interface bond-plein-2 type wired rxcost 23
> interface bond-protea-1 type wired rxcost 25
> interface bond-protea-2 type wired rxcost 26
> interface bond-peer type wired rxcost 55
> redistribute ip 0.0.0.0/0 eq 0 metric 128
> out ip 0.0.0.0/0 ge 32 deny
> redistribute ip 192.168.0.0/16 ge 24 allow
> redistribute local deny
> 
> Mark
> 
> 
> 
> 
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