Re: [Devil-Linux-discuss] VMware Frustration

[drew e. <dre...@gm...>]

Got it.  Deep down in the configuration of a virtual switch there is a
security feature
that by default prohibits promiscuos mode and you have to find it and
set it to allow
promiscuous mode before bridging will work.

I wonder what the next roadblock will be in this project.


On 5/26/07, drew einhorn <dre...@gm...> wrote:
> I seem to be running into one problem after another.
>
> Eventually I will be doing NAT to map high ports (50000+)
> to well known ports (ssh, http, etc.)on different VMs.
>
> But I want to start simple and just bridge eth0 and eth1.
>
> It looks to me like I have it set up correctly,
> but I don't see any traffic flowing through the bridge.
>
> I have vmware network:
>
>     Public1 connected to a 3-bit public subnet x.x.x.x/29 via eth0
>
>     Private1 is connected to 10.0.0.0/8 via eth1, this will eventually
> be subnetted, and
>     a couple different subnets will share the same interface, but
>     I'm saving all that for a bit later after I get the basics working.
>
>     We will only have a few public ip numbers,  and a lot of VMs to connect to.
>
> # cat /etc/sysconfig/nic/ifcfg-eth0
> DEVICE=eth0
> ONBOOT=yes
> MODULE="vmxnet"
> DHCP=no
> IP=0.0.0.0
>
> # cat /etc/sysconfig/nic/ifcfg-eth1
> DEVICE=eth1
> ONBOOT=yes
> MODULE="vmxnet"
> DHCP=no
> IP=0.0.0.0
>
> # cat /etc/sysconfig/nic/ifcfg-br0
> DEVICE=br0
> ONBOOT=yes
> MODULE=bridge
> DHCP=no
> IP=10.0.0.13
> NETMASK=255.0.0.0
> BROADCAST=10.255.255.255
> BR_IF="eth0 eth1"
>
> # ifconfig eth0
> eth0      Link encap:Ethernet  HWaddr 00:0C:29:0F:EF:F0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>           Interrupt:18 Base address:0x10a4
>
> #ifconfig eth1
> eth1      Link encap:Ethernet  HWaddr 00:0C:29:0F:EF:FA
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:12 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:720 (720.0 b)  TX bytes:0 (0.0 b)
>           Interrupt:19 Base address:0x1424
>
> #ifconfig br0
> br0       Link encap:Ethernet  HWaddr 00:0C:29:0F:EF:F0
>           inet addr:10.0.0.13  Bcast:10.255.255.255  Mask:255.0.0.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>
> Interfaces are up, but not packets are flowing through them.
>
> Is there a firewall somewhere I'm not aware of.  Or am I doing something
> stupid.  It wouldn't be the first time.
>
> --
> Drew Einhorn
>


-- 
Drew Einhorn