[Bridge] DHCP problem on bridge
Stephen Hemminger
shemminger at linux-foundation.org
Sat Nov 6 21:26:40 PDT 2010
On Sun, 31 Oct 2010 00:31:11 +0800
Kian Yang Liew <liewkianyang at gmail.com> wrote:
> Dear All,
>
>
>
> I have a network with 500 vlan and I bind all these 500 vlan into 1 bridge
> interface. Then I have run a dhcp server on this bridge interface to provide
> dhcp to all the computer in the vlan. It look find all the time, but
> sometime, some of the computer on vlan will not able to get the ip from dhcp
> server but after I remove the vlan and add back to the bridge it will work
> again. The most serious case is sometime there will be a dhcp problem on
> vlan 1 as well, and I need to reboot the server only can make the service
> back to normal.
>
>
>
> The setting is as below
>
>
>
>
>
> Vconfig add eth1 2
>
> Vconfig add eth1 3
>
> .
>
> .
>
> .
>
> .
>
> .
>
> .vconfig add eth1 500
>
>
>
> Then ifconfig eth1.2 up …. Ifconfig eth1.500 up
>
> Then brctl addbr br1, brctl addif br1 eth1.2 ……. Brctl addif br1 eth1.500
>
>
>
> Does anyone have face this problem before? Your reply is highly appreciate.
>
brctl stp br0 off
brctl setfd br0 0
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