Comware Based
1748165 Members
3909 Online
108758 Solutions
New Discussion юеВ

Re: A5500 - DHC Relay & VLANs

 
SOLVED
Go to solution
Fredrik L├╢nnman
Honored Contributor

Re: A5500 - DHC Relay & VLANs

That looks about right. Did the removal of ip-subnet-vlan make any difference?
---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S

armahir
Advisor

Re: A5500 - DHC Relay & VLANs

Nope....unfortunatly.

 

It's really wierd.

 

 

 

My two computers are on the same 1910, wich is connected to the 5500, but cant ping each other.

 

Basically :

 

Computer 1 [VLAN100] can ping his gateway on the 5500, can ping ALL the other gateways on the 5500....put can't ping Computer 2 [VLAN200].

 

Can't the issue come from the 1910?

Fredrik L├╢nnman
Honored Contributor

Re: A5500 - DHC Relay & VLANs

1910 could be the issue, but I cant really see how. If you are able; connect the end-point PCs directly in the 5500 to rule out the 1910.
---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S

armahir
Advisor

Re: A5500 - DHC Relay & VLANs

Issue is indeed on 5500.

 

Computer 1 / VLAN 100 / Port 24 / Untagged

Computer 2 / VLAN 200 / Port 23 / Untagged

 

I can still ping all the gateways....but not from a computer to an other...

 

I heard something about 802.1q encapsulation, what is it? do our issue could be related to that?

Fredrik L├╢nnman
Honored Contributor

Re: A5500 - DHC Relay & VLANs

Make 100% sure that the 5500 is the default gw of the computers, and also of course disable firewall if you're running windows :).

802.1q encapsulation is what's used on trunks.
---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S

armahir
Advisor

Re: A5500 - DHC Relay & VLANs

Never applied that on my trunks :)

How can I do that?

 

============

 

I can confirm that the gateway on my computers are ok [all pointing to their respective vlan interface on 5500] and that I have disabled this f***** MS firewall ^^.

armahir
Advisor

Re: A5500 - DHC Relay & VLANs

Hi there,

 

just to let you know that I've rebooted the switches [5500] and that all is now well.

 

Weird, but like someone said before me : "In doubt, reboot".

 

A lot of thanks to you Fredrick!!

 

Cheers!

 

Armahir

Fredrik L├╢nnman
Honored Contributor

Re: A5500 - DHC Relay & VLANs

Heh weird. Well, good to hear everything worked out :)

---
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S