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The_Great_Sephiroth
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Joined: 03 Oct 2014
Posts: 1342
Location: Fayetteville, NC, USA

PostPosted: Thu Nov 03, 2016 2:06 pm    Post subject: VPN on Plasma not routing correctly... Reply with quote

I have a strange issue here. One of my client has an AD domain at her business. We run a basic PPTP VPN for remote access. I can connect to the VPN, which is hosted on the domain controller (Samba4/Linux) and can SSH into the DC, but everything else is routed out into the Internet.
Code:

user@laptop01 ~ $ ping dc01.medarts.lan
PING dc01.medarts.lan (192.168.50.201) 56(84) bytes of data.
64 bytes from 192.168.50.201: icmp_seq=1 ttl=64 time=557 ms
64 bytes from 192.168.50.201: icmp_seq=2 ttl=64 time=506 ms
64 bytes from 192.168.50.201: icmp_seq=3 ttl=64 time=256 ms
64 bytes from 192.168.50.201: icmp_seq=4 ttl=64 time=66.2 ms
^C64 bytes from 192.168.50.201: icmp_seq=5 ttl=64 time=87.1 ms

--- dc01.medarts.lan ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4227ms
rtt min/avg/max/mdev = 66.265/294.955/557.865/205.439 ms
user@laptop01 ~ $ ping sv01.medarts.lan
PING sv01.medarts.lan (192.168.50.202) 56(84) bytes of data.
^C
--- sv01.medarts.lan ping statistics ---
15 packets transmitted, 0 received, 100% packet loss, time 13999ms

user@laptop01 ~ $ route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         200.0.0.254     0.0.0.0         UG    600    0        0 wlp12s0
nc-71-53-111-10 200.0.0.254     255.255.255.255 UGH   600    0        0 wlp12s0
loopback        0.0.0.0         255.0.0.0       U     0      0        0 lo
192.168.50.201  0.0.0.0         255.255.255.255 UH    50     0        0 ppp0
200.0.0.0       0.0.0.0         255.255.255.0   U     0      0        0 wlp12s0
200.0.0.0       0.0.0.0         255.255.255.0   U     600    0        0 wlp12s0

My home network is 200.0.0.0/24. They are 192.168.50/24. The ping command reports the correct address for every host on the network, but the data is not being routed into the network. What gives?
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guitou
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Joined: 02 Oct 2003
Posts: 389
Location: France

PostPosted: Thu Nov 03, 2016 2:25 pm    Post subject: Reply with quote

Hello.

Code:

 192.168.50.201  0.0.0.0         255.255.255.255 UH    50     0        0 ppp0


With this line, you know only about one specific IP, this does not reflect the 192.168.50/24 subnet.

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