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DHCP server will not issue IP addresses on a newly added VLAN

woter324

Hi,

I have multiple VLANs configured with DHCP settings. Most use a Microsoft DHCP server via the "DHCP relay" option. I have one VLAN configured to use the DHCP "server" (DHCP_1) on the XG. I am trying to add another VLAN to use the XG's DHCP server (DHCP_2), however, it refuses to issue an IP. I've tried everything I can think of, but I've run out of ideas, hence reaching out for ideas from the community.

I've run the command and confirmed it is set to global:
system dhcp static-entry-scope global

DHCP Server Name Interface VLANID
DHCP_1 Port2.180 - 192.168.180.1 180
DHCP_2 Port2.140 - 192.168.140.1 140

I've looked at the FW and NAT rules on the working VLAN and cannot see any rules that pertain to DHCP, not that I expect firewall rules to be required at this point.

Version: SFOS 18.0.0 GA-Build354.HF052220.1

Thank you in advance.



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  • 0

    Hi  : Will you please share your DHCP relay page settings OR Will you please confirm Port.2.140 Interface is not set as in DHCP relay interface for any relay agent? 

    If it is selected in any relay settings then would it be possible to  try by removing/deleting that DHCP relay entry from XG time being to confirm the status for  "DHCP_2"..!?

  • 0 in reply to Vishal_R

    Hi @Vishal_R,

    Thank you for replying.

    Here is a screenshot of my DHCP config. If I understand you correctly, I can confirm Port.2.140 is not included in the DHCP relay networks.

    (1) is working as can be seen by the leases, whereas (2) is not.

    Thanks again.