Server with multiple peers

Server with multiple peers

[Indro Fedrigo]

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Hi Jason,
I'm trying to create a server with multiple peers form a wgx.conf file :
[Interface]
PrivateKey = QKet8noQBbM14ipbUOzw28yoFikAze4uM55xY+uFVWg=
ListenPort = 10300

[Peer]
PublicKey = 9YI43pxPeCvs3twJdBs5cQyH6N7qkQuTv4LcMslxYT0=
Endpoint = 10.0.10.100:10200
AllowedIPs = 192.168.0.0/16
PersistentKeepalive = 25

[Peer]
PublicKey = sQfagzCndbDxclqBJpla1Yk9p23tJKI/UWmjn8xfhz0=AllowedIPs
Endpoint = 10.0.10.101:10200
AllowedIPs = 192.168.0.0/16
PersistentKeepalive = 25

[Peer]
PublicKey = r5CcRqfp+HQrHNAGr26S8VZpT1FBlJIR7k47J2lV/XY=
Endpoint = 10.0.10.102:10200
AllowedIPs = 192.168.0.0/16
PersistentKeepalive = 25

[Peer]
PublicKey = uLUB9pcIx7cfr2Xc5O9WeVuDfIKAgm0SHRGpmSftqRQ=
Endpoint = 10.0.10.103:10200
AllowedIPs = 192.168.0.0/16
PersistentKeepalive = 25

but doing :
# wg setconf wgx /etc/wireguard/wgx.conf
ip link set up dev wgx
and
# wg
this is what I get

interface: wgx
  public key: Gd+9z9ubyeuQHl1ijoBLaz1IKRZ67qriWeQnDkIBWFU=
  private key: (hidden)
  listening port: 10300

peer: 9YI43pxPeCvs3twJdBs5cQyH6N7qkQuTv4LcMslxYT0=
  endpoint: 10.0.10.100:10200
  allowed ips: (none)
  latest handshake: 49 seconds ago
  transfer: 308 B received, 924 B sent
  persistent keepalive: every 25 seconds

peer: sQfagzCndbDxclqBJpla1Yk9p23tJKI/UWmjn8xfhz0=
  endpoint: 10.0.10.101:10200
  allowed ips: (none)
  transfer: 0 B received, 7.80 KiB sent
  persistent keepalive: every 25 seconds

peer: r5CcRqfp+HQrHNAGr26S8VZpT1FBlJIR7k47J2lV/XY=
  endpoint: 10.0.10.102:10200
  allowed ips: (none)
  transfer: 0 B received, 7.80 KiB sent
  persistent keepalive: every 25 seconds

peer: uLUB9pcIx7cfr2Xc5O9WeVuDfIKAgm0SHRGpmSftqRQ=
  endpoint: 10.0.10.103:10200
  allowed ips: 192.168.0.0/16
  transfer: 0 B received, 7.80 KiB sent
  persistent keepalive: every 25 seconds


the parameter AllowedIPs seems to get set only for the last peer...
Any idea ?

Thanks for this great piece of software!

Indro Fedrigo

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Re: Server with multiple peers

[Aaron Jones]

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Hash: SHA512

On 30/03/2019 00:45, Indro Fedrigo wrote:
> Hi Jason, I'm trying to create a server with multiple peers form a
> wgx.conf file : the parameter AllowedIPs seems to get set only for
> the last peer... Any idea ? Thanks for this great piece of
> software! Indro Fedrigo

You cannot duplicate AllowedIPs. It forms WireGuard's internal routing
table. You're essentially asking for "If we have traffic to
192.168/16, send it to peer A, and also to peer B, and also to peer C,
and also to peer D".

That doesn't work.

- -- 
Aaron Jones

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Re: Server with multiple peers

[Varun Priolkar]

If you really want to do something like this(I'm not sure why), don't
add the route via Wireguard. You can instead use iBGP multipath or
ECMP to do this.

On Fri, Apr 5, 2019 at 9:01 PM Aaron Jones <aaronmdjones@gmail.com> wrote:
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> On 30/03/2019 00:45, Indro Fedrigo wrote:
> > Hi Jason, I'm trying to create a server with multiple peers form a
> > wgx.conf file : the parameter AllowedIPs seems to get set only for
> > the last peer... Any idea ? Thanks for this great piece of
> > software! Indro Fedrigo
>
> You cannot duplicate AllowedIPs. It forms WireGuard's internal routing
> table. You're essentially asking for "If we have traffic to
> 192.168/16, send it to peer A, and also to peer B, and also to peer C,
> and also to peer D".
>
> That doesn't work.
>
> - --
> Aaron Jones
>
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> Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/
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> =6Gmi
> -----END PGP SIGNATURE-----
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-- 
Regards,

Varun Priolkar
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