On 8/9/06, Stephen Hemminger <[EMAIL PROTECTED] > wrote:
On Tue, 8 Aug 2006 14:05:03 +0800
"He, Zhenjie" <[EMAIL PROTECTED]> wrote:
> Hi, Stephen/all,
>
> The situation I meet is similar as this.
>
> I want to capture BPDU packets go through the Linux bridge,
Simpler just to use something like AF_PACKET, or tools like pcapture?
I intend to use a Linux bridge with stp enable in the internal to generate BPDU packets, and use ethereal or tcpdump to capture packets in the other side.
Is there other ways to generate BPDU?
>
> [internal bridge] --> (connected with a switch) --> [external bridge] -->
> workstation,
>
> [internal bridge]: br1 ip.addr == 192.168.1.2
> [external bridge]: ifconfig br0 192.168.1.10 netmask 255.255.255.0 up
> workstation: ip.addr == 192.168.1.222
> enable the [internal bridge] with stp on,
>
> My question is, could [internal bridge] generate BPDU packets, and pass the
> [external bridge], finally captured on the outside workstation?
>
> Best regards,
Nested bridges are not supported because of possible stack depth and recursion
issues.
Then, how to deploy the network topology if I want to test a bridge that could pass/block BPDU packets?
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