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DHCP over VPLS?

 
MichaelM55
Trusted Contributor

‎08-22-2012 08:17 AM - edited ‎08-22-2012 08:24 AM

‎08-22-2012 08:17 AM - edited ‎08-22-2012 08:24 AM

DHCP over VPLS?

Hello,

 

shouldn´t DHCP packets also be forwarded over a VPLS connection? (In my case on 5500-HI switches)
- With static IPs, I could easily ping each device behind the VPLS sites.

- With an DHCP server on one site, I do not see any DHCP traffic coming back at the other site. (Of couse that DHCP-Server runs perfectly on my local site...)

 

Limitation, bug, missing configuration option?

 

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manuel.bitzi
Trusted Contributor

‎08-22-2012 11:35 PM

‎08-22-2012 11:35 PM

Re: DHCP over VPLS?

Hi Michael

 

Some vpls dont allow broadcasts, or deny them. check with your provider. If they are blocked you need a dhcp relay.

 

 

br

Manuel

H3CSE, MASE Network Infrastructure [2011], Switzerland
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MichaelM55
Trusted Contributor

‎08-23-2012 11:27 AM - edited ‎08-23-2012 11:32 AM

‎08-23-2012 11:27 AM - edited ‎08-23-2012 11:32 AM

Re: DHCP over VPLS?

Well, I am the "provider" in this case. I have a really simple setup:

DHCP server on site A == HP 5500-HI 1 == MPLS/VPLS == HP 5500-HI 2 == site B == client

 

As I already mentioned. If I give me a static IP on client of site B and another client on site A within the same subnet I can happily ping each other. But DHCP traffic will not pass the VPLS tunnel.

 

So you think, it´s a limitation of H3C´s VPLS implementation?

 

 

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