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Re: [NETVAERK] VPN og routetable



Christoffer Holm Kjølbæk <sslug@sslug> writes:

> Fra routeren kan jeg pinge både det ene og det andet jo. Både på
> klienten og på routeren retunere cat /proc/sys/net/ipv4/ip_forward 1, så
> der burde vil være ip forward sat til.

OK, så er der hul igennem din tunnel. Så er det højst sandsynligt
noget routing der ikke virker.

>> Hvordan ser route-tabellerne ud på de to maskiner der står på hver sin
>> side af din VPN-server efter du er logget på VPN?
>
> Klient:
> Destination     Gateway         Genmask         Flags Metric Use Iface
> 10.8.0.1        0.0.0.0         255.255.255.255 UH    0        0 tun0
> 10.6.6.6        0.0.0.0         255.255.255.255 UH    0        0 ppp0
> 192.168.1.0     10.8.0.1        255.255.255.0   UG    0        0 tun0
> 0.0.0.0         0.0.0.0         0.0.0.0         U     0        0 ppp0

Har klienten IP-adressen 10.8.0.2? Det skal den have så vidt jeg lige
kan se. Hvad siger '/sbin/ifconfig tun0' på klienten?

> Maskine bag VPN-server:
> Destination     Gateway         Genmask         Flags Metric Use Iface
> 192.168.1.0     0.0.0.0         255.255.255.0   U     0        0 eth1
> 0.0.0.0         192.168.1.1     0.0.0.0         UG    0        0 eth1

Det ser rigtigt ud. Kan du se på klienten om ping-pakker fra denne
maskine når frem? Kig fx med ethereal/ngrep/tcpdump/whatever.

> Router:
> Destination     Gateway         Genmask         Flags Metric Use Iface
> 10.8.0.2        0.0.0.0         255.255.255.255 UH    0        0 tun0
> xx.xx.xx.xx     0.0.0.0         255.255.255.0   U     0        0 vlan1
> 192.168.1.0     0.0.0.0         255.255.255.0   U     0        0 br0
> 0.0.0.0         xx.xx.xx.xx     0.0.0.0         UG    0        0 vlan1

Har routeren IP-adressen 10.8.0.1?

-- 
Jacob


 
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