[Bridge] DHCP problem on bridge

[Liew Kian Yang]

Dear Stephen, 


Thank you for your information. I will try and let you know the result :)


Regards,
Kian Yang, Liew

-----Original Message-----
From: Stephen Hemminger [mailto:shemminger at linux-foundation.org] 
Sent: 2010年11月7日 12:27
To: Kian Yang Liew
Cc: bridge at linux-foundation.org; Liew Kian Yang
Subject: Re: [Bridge] DHCP problem on bridge

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