* Freek de Kruijf <[email protected]> [17/09/11 06:54]:
> On zaterdag 17 september 2011 02:23:09 Moshe Kamensky wrote:
> > Hi There,
> > 
> > I have a network problem with a bridged connection. My setup is:
> > 
> > A router running a dhcp server.
> > 
> > A host "carrot" running Mac osx, connected to the router through a
> > wireless card.
> > 
> > A guest "dibbler" running Linux. The network connection is set to
> > "bridged".
> > 
> > Another machine "gaspode" on the home network running Linux, connected
> > to the router by a cable.
> 
> Do these system get all their network information through DHCP?
> 

Yes, the DHCP server is on the router, and assigns a fixed ip to each.

> Anyway check with "/sbin/route -n" on a Linux machine and the equivalent on 
> your MAC, the routing information they use.
> 
> It should look like:
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0
> 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
> 0.0.0.0         192.168.1.254   0.0.0.0         UG    0      0        0 eth0
> 
> Here 192.168.1.254 is the IP address of the router, could be in your case 
> 192.168.1.1.

They are rather similar. On the guest:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.1.254   0.0.0.0         UG    2      0        0 eth1
127.0.0.0       127.0.0.1       255.0.0.0       UG    0      0        0 lo
192.168.1.0     0.0.0.0         255.255.255.0   U     2      0        0 eth1

On the host, "netstat -r" gives:

Destination        Gateway            Flags        Refs      Use   Netif Expire
default            home               UGSc           50        0     en1
default            link#4             UCSI            0        0     en0
127                localhost          UCS             0        0     lo0
localhost          localhost          UH              6     3653     lo0
169.254            link#4             UCS             0        0     en0
192.168.1          link#5             UCS             3        0     en1
192.168.1          link#4             UCSI            0        0     en0
dibbler            8:0:27:3a:49:3a    UHLWI           1      860     en1    454
carrot             localhost          UHS             0       13     lo0
gaspode            58:b0:35:ee:a5:5f  UHLWI           4     1896     en1   1198
192.168.1.200      localhost          UHS             0        0     lo0
home               0:25:3c:c0:f3:49   UHLWI          69      742     en1   1189
192.168.2          192.168.2.1        Uc              1        0     en0

en1 is the wireless I use to connect to the router. I don't know what is 
en0. dibbler is the guest, carrot is the host, gaspode is the other 
machine, home is the router. I don't know what are the other things.

Thanks,
Moshe

>  
> > Things are fine connecting between the guest and the host. Also no
> > problems between the host and the other machine. However, when I try to
> > ping from the other machine, gaspode, to the guest, I get:
> > 
> > PING dibbler.gateway.2wire.net (192.168.1.65) 56(84) bytes of data.
> > 
> > >From carrot (192.168.1.66): icmp_seq=1 Redirect Host(New nexthop: dibbler
> > >(192.168.1.65))
> > 
> > 64 bytes from dibbler (192.168.1.65): icmp_req=1 ttl=64 time=33.0 ms
> > 64 bytes from dibbler (192.168.1.65): icmp_req=1 ttl=63 time=33.1 ms (DUP!)
> > 
> > Likewise, when I ping from dibbler to gaspode, I get
> > 
> > PING gaspode (192.168.1.69) 56(84) bytes of data.
> > 64 bytes from gaspode (192.168.1.69): icmp_req=1 ttl=64 time=11.8 ms
> > 64 bytes from carrot (192.168.1.66): icmp_req=1 ttl=63 time=12.0 ms (DUP!)
> > 
> > Also, I cannot ping the router from the guest at all.
> > 
> > The result is that I cannot ssh from gaspode to dibbler or conversely,
> > or use any other services between the two. I also get duplicates when I
> > ping external address from the guest, but I can use their services (so
> > maybe the problem is different).
> > 
> > I don't know much about network, so I don't know what other data to
> > provide. I noticed an option called "promiscuous mode" in the network
> > setup, but I don't understand what it does, and changing it does not
> > seem to affect the problem.
> > 
> > Thanks,
> > Moshe
> > 
> > 
> > ---------------------------------------------------------------------------
> > --- BlackBerry&reg; DevCon Americas, Oct. 18-20, San Francisco, CA
> > http://p.sf.net/sfu/rim-devcon-copy2
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> 
> -- 
> fr.gr.
> 
> Freek de Kruijf
> 
> ------------------------------------------------------------------------------
> BlackBerry&reg; DevCon Americas, Oct. 18-20, San Francisco, CA
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