• Sophos Firewall Home Edition v20 with Sky ISP - DHCP Issue on WAN interface

    AgentY
    AgentY
    Hi. I am having what seems a very basic issue getting my WAN connection connected to Sophos Home Firewall version 20, I'm hoping someone can help? I've found various posts regarding this over the years but am still unclear exactly why it's still an…
    • 10 months ago
    • Sophos Firewall
    • Discussions
  • Advanced DHCP Configuration with MAC Address Filtering and Custom Options in Sophos

    Nick Dann
    Nick Dann
    Hello Sophos Community, I am currently working on a sophisticated DHCP setup on my Sophos system and need some advice on how to achieve specific configurations. Any guidance or insights from the community would be greatly appreciated. My goal is to…
    • 10 months ago
    • Sophos Firewall
    • Discussions
  • Issue with static DHCP in 1 interface and dynamic DHCP in other interfaces

    eclipse79
    eclipse79
    Hello In Port 1 I set static DHCP for 1 client. If this client tries to connect to port 5 using DHCP (in this case I did not set any static DHCP) the client will not receive any IP. If I remove the static DHCP entry for port 1, client will receive…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Workstations on LAN fail to resolve play.google.com

    Pablo Porta
    Pablo Porta
    Hello All, Using Sophos XG310 Firmware 18.5.4 MR-4 Build 418 I have an unusual issue, essentially all workstations on the LAN of the Sophos Firewall are unable to access play.google.com Originally it appeared to be due to perhaps Web Filtering or…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • XGS firewall DHCP - DNS

    Elie Ibrahim
    Elie Ibrahim
    hello configuring DHCP lease on XGS 107 firewall in "DNS server" section there is only 2 fields, is there a way to have the DHCP provide 3 DNS to clients Thanks Elie
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • DHCP through XG or UDM?

    Jakub Pusz
    Jakub Pusz
    Hello everyone, I'm testing the following configuration: ISP modem home network - > Sophos XG in router mode - > UDM-SE I've a number a VLANs configured on UDM and Sophos and everything communicates fine. My current configuration has all…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Way to change dhcp adresses within command line?

    FNG_117
    FNG_117
    Hi all, Wondering if there is a way to set dhcp via cli? Or what the best way to change the main interface IP without losing connection? My issue is everytime I change the IP of the Port1, I expectedly lose connection. Trouble is that I cannot…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Firewall DHCP Relay stops working until you delete an recreate a random DHCP Relay object

    LHerzog
    LHerzog
    This issue is annoying us for years and happened today again after one year of being working. XG 430 with lag and SFOS 19.5.3 XG has several VLAN. On one VLAN a Windows DHCP Server is serving DHCP addresses. On several other VLAN configured also…
    • Answered
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • DHCP Renew button

    EastCoastUser
    EastCoastUser
    I've seen posts in this forum saying that the Interfaces page in the GUI has a "Renew" button, which can be used for the WAN interface to obtain a new IP address via DHCP. Where is this "Renew" button located? I checked the Interfaces page and the…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Setting Up netboot.xyz

    Roger Mijares
    Roger Mijares
    Has anyone successfully set up netboot.xyz with a Sophos firewall? If so, could you please explain how to configure Option 66? Thanks in advance.
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall v20 -- DHCP IPv4 Lease Table is empty

    alan weir
    alan weir
    I have Sophos Firewall v20 GA. In Network-->DHCP, the IPv4 lease table is empty, showing no IP leases despite several devices having dynamic IP addresses. BUG: IPv4 IP leases not appearing in the lease table.
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Dhcp ip release and web page hang issue

    Apai Debnath
    Apai Debnath
    The firewall's DHCP No dynamic ip relays from DHCP server. Sometimes the web logging page of the firewall hangs.
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SFOS 20.0.0 GA-Build222 DHCP ISSUES

    haykel BEN SALAH
    haykel BEN SALAH
    Hello evryone. after updating Sophos firewall to SFOS 20.0.0 GA-Build222 the DHCP stop relaing ip adress in all network devisies, i try to desabel./enabled DHCP, reload firewall no result. i was oblige to downgrade to SFOS 19.5.3 MR-3-Build652 and…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • DHCP Release issue

    AmalKrishna NJ
    AmalKrishna NJ
    Hi All, I am hoping someone can help me. We've just implemented Sophos XG. Randomly we are having devices not being able to get an IP address from the Sophos DHCP I setup. They get a 169.254.x.x address. The weird thing is sometimes if we leave it…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall: v20.0 - PXE-Boot Problems

    Marco Tenthoff
    Marco Tenthoff
    Hello everyone. I would like to share my experience regarding PXE boot with you. I have already solved the problem with thePXE boot on our old XG2300 v19.5 with the help of the forum and Sophos support. Entered the required options in the DHCP server…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Can the DHCP server register a name/address in DNS

    Moiz Bagban
    Moiz Bagban
    Can the DHCP server register a name/address in DNS
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • DHCP Static IP mapping for same client multiple networks?

    Tobias Schubert1
    Tobias Schubert1
    The problem from the discussion: https://community.sophos.com/sophos-xg-firewall/f/discussions/74013/dhcp-static-ip-mapping-for-same-client-multiple-networks affects me too . the feature request https://ideas.sophos.com/forums/330219-xg-firewall…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • IP Reservation in the DHCP pool

    Bjarne Thielsen
    Bjarne Thielsen
    Hello, I found a few threads, that there was no traditional DHCP reservation and you have to use a static MAC Mapping outside the DHCP pool. Did that feature got implemented yet or do you still need to use that way? If not, then is there a nown…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Changing DHCP DNS for LAN Clients to Internal Windows DNS

    JeffCooper
    JeffCooper
    Hi, XGS2300 is our DHCP Server. Currently, DNS settings under Network > DHCP > Default_DHCP_Server are the gateway itself for the Primary, and our ISP for the secondary DNS Servers. Works fine. Our external DNS servers (Network > DNS) are our ISP…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • dhcp option 43 for unifi

    PeteH
    PeteH
    hi, Can anyone tell me what the format is to get the dhcp option to work for unifi please on a sophos XG? I am using option 43 and have tried the ip of the unifi controller. This worked fine on v19.5.2 but since updating to v19.5.3 it now doesnt work…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Unable to obtain IP address from DHCP created for VLAN interface.

    kei
    kei
    Hi! Unable to obtain IP address from DHCP created for VLAN interface. The L2 switch is a NETGEAR GS308T and is trunked to the Sophos XG Firewall. I have an access point connected to the GS308T and cannot get an IP address via DHCP on my iPhone or…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Configuring 31-bit subnet in DHCP on a 31-bit subnet interface

    Shah Saad Hamadani
    Shah Saad Hamadani
    I am using Sophos Firewall Home on a Protectli Vault FW4B. 5 VLANS are defined in Sophos and I am using CISCO SG-200 switch. I have dedicated one VLAN specifically for an IP camera in my home. Everything is working great but I want to configure that…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Client DHCP renewal is blocked by XG106 firewall

    Jeff Murray1
    Jeff Murray1
    We have experienced this issue for the past year. Sophos support has been troubleshooting with no success although the firewall is rebooted immediately after the issue starts. Unfortunately this is a retail environment and customers are waiting and…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • End-Clients - network connection temporarily interrupted

    Philipp Marx
    Philipp Marx
    Hi all! We manage DHCP and DNS for the end devices via the XG310. Since last week, the Internet connection of the clients is sporadically interrupted. The end devices are correctly assigned IP addresses and DNS by the XG. Neither nslookup or ping…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • DHCP Leases - why does it not show a lease count?

    Steve Klassen
    Steve Klassen
    Why does the DHCP Server not show how many leases are used up in a DHCP Pool. There is also no notification if your DHCP Pool is exhausted either. Would be very useful to know if you were getting close to running out. As far as I can see, there is no…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
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