Re: Split tunnelling

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On 08/23/18 05:56, Ed Greshko wrote:
> On 08/22/18 23:59, Patrick O'Callaghan wrote:
>> This is the routing table with the VPN enabled (the virbr stuff is from
>> a VM, not relevant here):
>
> I've never been a fan of the "route" command.
>
> How about the output of "netstat -rn" instead?  In my case...
>
> No VPN
>
> [egreshko@meimei ~]$ netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 enp2s0
> 0.0.0.0         192.168.2.5     0.0.0.0         UG        0 0          0 wlp0s29u1u2
> 192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 enp2s0
> 192.168.2.0     0.0.0.0         255.255.255.0   U         0 0          0 wlp0s29u1u2
>
> VPN
>
> [egreshko@meimei ~]$ netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
> 0.0.0.0         25.0.8.1        0.0.0.0         UG        0 0          0 tun0
> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 enp2s0
> 0.0.0.0         192.168.2.5     0.0.0.0         UG        0 0          0 wlp0s29u1u2
> 25.0.8.0        0.0.0.0         255.255.255.0   U         0 0          0 tun0
> 104.244.157.160 192.168.1.1     255.255.255.255 UGH       0 0          0 enp2s0
> 192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 enp2s0
> 192.168.1.1     0.0.0.0         255.255.255.255 UH        0 0          0 enp2s0
> 192.168.2.0     0.0.0.0         255.255.255.0   U         0 0          0 wlp0s29u1u2
>
Come to think of it, the ip command is even better as it includes the "metric".

No VPN

[egreshko@meimei ~]$ ip route show
default via 192.168.1.1 dev enp2s0 proto static metric 100
default via 192.168.2.5 dev wlp0s29u1u2 proto dhcp metric 600
192.168.1.0/24 dev enp2s0 proto kernel scope link src 192.168.1.18 metric 100
192.168.2.0/24 dev wlp0s29u1u2 proto kernel scope link src 192.168.2.190 metric 600

[egreshko@meimei ~]$ ip route show
default via 25.0.8.1 dev tun0 proto static metric 50
default via 192.168.1.1 dev enp2s0 proto static metric 100
default via 192.168.2.5 dev wlp0s29u1u2 proto dhcp metric 600
25.0.8.0/24 dev tun0 proto kernel scope link src 25.0.8.3 metric 50
174.127.111.177 via 192.168.1.1 dev enp2s0 proto static metric 100
192.168.1.0/24 dev enp2s0 proto kernel scope link src 192.168.1.18 metric 100
192.168.1.1 dev enp2s0 proto static scope link metric 100
192.168.2.0/24 dev wlp0s29u1u2 proto kernel scope link src 192.168.2.190 metric 600

With a metric of 50 the tun0 link is preferred.

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a fact.

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