[Kea-users] address not being allocated with perfdhcp

Andrei Pavel andrei at isc.org
Mon Oct 26 10:17:13 UTC 2020


Hi,

DHCP4_LEASE_ADVERT is usually a good sign. Log shows that an address has been allocated.

What do you mean by allocation not occuring or accruing? Does the perfdhcp report the packet as dropped? Does the packet reach perfdhcp's interface if you do a capture?

Moreover, how is this VLAN set up? Are both VLAN interfaces on the same machine? Why do you need to use VLANs if the VLAN-free setup works?

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On October 26, 2020 at 7:47 GMT, Ahiya Zadok <ahiya at younity.io> wrote:

hi All

I’m using perfdhcp to test my kea-DHCP, while trying to produce DHCP requests via VLAN interfaces, the address allocation process doesn't end successfully.in the DHCP log I see all sessions end with "DHCP4_LEASE_ADVERT" message and no allocation accurse.

while using perfdhcp without VLAN the allocation accrues successfully.

while using the VLAN interface with a single DHCP client (netplan not prefdhcp) allocation to the VLAN interface is successful.

so it seems like when using the VLAN interface with prefdhcp the client doesn't claim the offered address.

basically, I'm a bit lost here, so if someone has any idea what is happing here, it will be awesome.

i hope I'm just missing an option in my perfdhcp command and not a limitation.

attached debug log of the fail transaction.

Thanks
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