great, glad you got it working. sorry it took me so long to respond.



------------------
Aubrey Wells
Senior Engineer
Shelton | Johns Technology Group
A Vyatta Ready Partner
www.sheltonjohns.com




On Nov 28, 2007, at 5:09 PM, youssef salameddine wrote:

Hello,

Thanks a lot for your help, I found that the problem was the firewall. I discovered that this morning when i added a vm in the vlan 104 and the vyatta pinged this machine,so i released that the service firewall was enable.

thanks again for you help

2007/11/28, Aubrey Wells <[EMAIL PROTECTED] >:

That is a capital I (eye) in the ping command by the way...


------------------
Aubrey Wells
Senior Engineer
Shelton | Johns Technology Group
A Vyatta Ready Partner
www.sheltonjohns.com




On Nov 28, 2007, at 3:30 PM, Aubrey Wells wrote:

Ok, let me make sure I have this right. So if you have a virtual machine with ip 10.30.104.X, with its adapter in the appropriate vsiwtch in ESX to be on vlan 104, you can ping the 10.30.104.1 ip, but the 10.30.104.1 ip can not ping the same host that just pinged it? That sounds like a firewall issue at the host level. If you can ping one from the other, then there is obviously two-way traffic established, so something has to be blocking the packets originating from the vyatta box. Either that or the vyatta box is not using the appropriate source address and the return traffic is not being routed properly. Try this from the unix shell on your vyatta:

ping -I 10.30.104.1 10.30.104.X

where X is the ip of a box that can ping the vyatta box. Let me know what happens there...



I don't know how much you know about swithing, but the native vlan just means that all untagged traffic into the interface is marked as belonging to the native vlan, in this case 101. Since you have the vlan101 ip space untagged on eth0 on your vyatta box, that is why you can ping it from the switch when you add 101 as the native vlan to the trunk.

------------------
Aubrey Wells
Senior Engineer
Shelton | Johns Technology Group
A Vyatta Ready Partner
www.sheltonjohns.com




On Nov 26, 2007, at 2:09 PM, youssef salameddine wrote:


Hello,

I attached the config of the two switches in the message.

Note tha the switches can't ping the vyatta, and vyatta can't ping the switches ( vyatta and switches are in the same vlan 101). But when i change the native vlan of the interface gi0/43 (Trunk between sw1 and vyatta ) to 101 using the command "switchport trunk native vlan 101", i can ping sw1 and sw2 from vyatta , and switches can ping vyatta.

Note also that each vms can ping all the interfaces of vyatta ( eth0 and all vif); but Vyatta can't ping vms .

VMs on the same vlan can communicate


The config of vyatta is very simple, because my goal is to route two vlans : route vlan 104 and 106 in first time:

ethernet eth0{
description "To_switch1"
hw-id: .......
address 10.30.101.254 {prefix-length:24}
vif 104{
description:"Vlan 104"
address 10.30.104.1 {prefix-length:24}
}

vif 106{
description:"Vlan 106"
address 10.30.106.1 {prefix-length:24}
}
}

ps: Virtual switches of ESX tag Virtual machines packets with the appropiate vlan ID.


Thanks a lot for your help.


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Étudiant Master2 Architecture des Systèmes et Réseaux

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