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Re: [rare-dev] [freertr] [RARE-users] Routing between wireguard tunnels


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  • From: mc36 <>
  • To: , Gabriel Tetzner <>
  • Subject: Re: [rare-dev] [freertr] [RARE-users] Routing between wireguard tunnels
  • Date: Mon, 29 Aug 2022 08:41:54 +0200
up

On 8/29/22 04:34, Gabriel Tetzner wrote:
anybody?

Em s b., 27 de ago. de 2022 s 12:26, mc36 < <>>
escreveu:

come on guys please! it really seems not that hard if you know basic
routing :)

On 8/27/22 16:56, Gabriel Tetzner wrote:
> Anybody?
>
> Em sex., 26 de ago. de 2022 s 17:18, Gabriel Tetzner via groups.io
<http://groups.io> <http://groups.io <http://groups.io>>
<
<> <
<>>> escreveu:
>
> image.png
>
> Hi all,
>
> I managed to solve it with Csaba's tip to isolate the vrf, I
used the EIGRP protocol and configured the routing issue:
>
> Now 20.0.0.3 ping 10.0.0.3 <http://10.0.0.3 <http://10.0.0.3>>:
>
> freertr-3:
> sh int tun1:
>
> tunnel1 is up
> description:
> state changed 17 times, last at 2022-08-24 21:42:28, 2d0h
ago
> last packet input 00:00:02 ago, output 00:00:02 ago, drop
never ago
> type is wireguard, hwaddr=none, mtu=1400, bw=8000kbps,
vrf=wireguard
> ipv4 address=20.0.0.3/24 <http://20.0.0.3/24> <http://20.0.0.3/24
<http://20.0.0.3/24>>, mask=255.255.255.0, ifcid=150335649
> received 33024 packets (2180896 bytes) dropped 0 packets (0
bytes)
> transmitted 1193 packets (74066 bytes) macsec=false
sgt=false
>
> freertr#ping 10.0.0.3 vrf wireguard
> pinging 10.0.0.3, src=null, vrf=wireguard, cnt=5, len=64,
df=false, tim=1000, gap=0, ttl=255, tos=0, sgt=0, flow=0, fill=0, alrt=-1,
sweep=false, multi=false
> !!!!!
> result=100.0%, recv/sent/lost/err=5/5/0/0, took 726,
min/avg/max/dev rtt=143/144/150/7.4, ttl 254/254/254/0.0, tos 0/0.0/0/0.0
>
> The reverse is also possible:
>
> freertr-r2:
>
> freertr#sh int tun1
> tunnel1 is up
> description:
> state changed 21 times, last at 2022-08-26 21:13:09,
00:55:27 ago
> last packet input 00:00:03 ago, output 00:00:03 ago, drop
never ago
> type is wireguard, hwaddr=none, mtu=1400, bw=8000kbps,
vrf=wireguard
> ipv4 address=10.0.0.3/24 <http://10.0.0.3/24> <http://10.0.0.3/24
<http://10.0.0.3/24>>, mask=255.255.255.0, ifcid=906822900
> received 30063 packets (1989950 bytes) dropped 0 packets (0
bytes)
> transmitted 1298 packets (80644 bytes) macsec=false
sgt=false
>
> freertr#ping 20.0.0.3 vrf wireguard
> pinging 20.0.0.3, src=null, vrf=wireguard, cnt=5, len=64,
df=false, tim=1000, gap=0, ttl=255, tos=0, sgt=0, flow=0, fill=0, alrt=-1,
sweep=false, multi=false
> !!!!!
> result=100.0%, recv/sent/lost/err=5/5/0/0, took 717,
min/avg/max/dev rtt=143/143/145/0.6, ttl 254/254/254/0.0, tos 0/0.0/0/0.0
>
> Now I am left with a question, how do I make the debian machine
in freeRtr-r3 ping the ip of the freeRtr-2 tunnel?
>
> In this topology consider that there is a prometheus server
running on top of freeRtr-r3 debian and I need to talk to 10.0.0.3?
>
> Can anyone help me?
>
> Thanks...
>
>
> Em sex., 26 de ago. de 2022 s 04:03, Gabriel Tetzner via groups.io
<http://groups.io> <http://groups.io <http://groups.io>>
< <>
< <>>> escreveu:
>
> anybody?
>
> Em qua., 24 de ago. de 2022 s 12:40, mc36 <
<> < <>>> escreveu:
>
> anybody?
>
>
> On 8/18/22 18:09, Gabriel Tetzner wrote:
> > Hi all,
> >
> > I have the following topology built using two
wireguard tunnels:
> >
> > image.png
> >
> > In this case freertr-r3 is isolated on another
network, but has a public ip to tunnel wireguard with freertr-r1 which is also on
another network and has a
public ip.
> >
> > This topology is working and the pings
respectively for each ip:
> >
> > 10.0.0.2 ping 10.0.0.3
> > 20.0.0.2 ping 20.0.0.3
> > 10.0.0.3 ping 10.0.0.2
> > 20.0.0.3 ping 20.0.0.2
> >
> > But I want 20.0.0.2 to reach 10.0.0.3, do I need
to configure a route for this using ipv4 route? or is there another way to route
the traffic? in this case I am
> talking about
> > freertr-r1.
> >
>
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