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Re: [Openvpn-users] bridging, strange issue


  • Subject: Re: [Openvpn-users] bridging, strange issue
  • From: "skuns@xxxxx" <skuns@xxxxx>
  • Date: Sun, 09 Sep 2007 08:45:44 +0400

I removed 'push' directive  from server config - same result. Route 
table lost record about .170 gateway, but traffic still not going. Tap0 
bridged, of couse.

br0       Link encap:Ethernet  HWaddr 00:10:E0:04:91:4D
          inet addr:192.168.37.170  Bcast:192.168.37.255  Mask:255.255.255.0
          inet6 addr: fe80::210:e0ff:fe04:914d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:210268 errors:0 dropped:0 overruns:0 frame:0
          TX packets:31793 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:14515935 (13.8 Mb)  TX bytes:6241280 (5.9 Mb)

eth0      Link encap:Ethernet  HWaddr 00:10:E0:04:91:4D
          inet6 addr: fe80::210:e0ff:fe04:914d/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:12293984 errors:0 dropped:228 overruns:5 frame:0
          TX packets:9576030 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:1466758047 (1398.8 Mb)  TX bytes:1945423845 (1855.3 Mb)
          Interrupt:11 Base address:0xc000

tap0      Link encap:Ethernet  HWaddr 00:FF:4F:02:6C:86
          inet6 addr: fe80::2ff:4fff:fe02:6c86/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:214123 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
Looks like trouble in something different.

>
>> -------------
>>
>> route table for client:
>>
>> -------------
>> Kernel IP routing table
>> Destination     Gateway         Genmask         Flags   MSS Window  irtt 
>> Iface
>> 192.168.37.0    192.168.37.170  255.255.255.0   UG        0 0          0 
>> tap0
>> 192.168.37.0    0.0.0.0         255.255.255.0   U         0 0          0 
>> tap0
>> 192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 
>> eth0
>> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 
>> eth0
>> --------------------
>
> When bridging you don't want to push the bridged subnet as a route to 
> the client.  The route will be added when the IP details are set on 
> the adapter.  I also assume you have bridged your tap0 device to your 
> physical Ethernet device if you are trying to bridge to an existing 
> physical network; if not, you won't be able to access physical devices 
> on the target subnet.

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