• 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
  • Sophos APX / Clients cant get DHCP or active Connection / Bug

    hre
    hre
    Hi, i think i just found out a Bug and would like to ask if someone else expieriencing the same issue. When i connect an already configured APX320 to the switch to power it up, it will get the newest config. But when i try to connect to the wifi it…
    • over 1 year ago
    • Sophos Wireless
    • Discussions
  • Voice Vlan and DHCP Fail - How we fixed

    AstaroNBack
    AstaroNBack
    Sophos Switches were left at on default settings, we had them working for a few days. We were using Vlan1 for PC / SVR and Vlan 20 for Voice and have been doing it this way on Extreme equipment for years. DHCP server on WS 2022. All ports are members…
    • over 1 year ago
    • Sophos Switch
    • 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 Relay via IPSec

    Maik Martin
    Maik Martin
    Hallo zusammen, ich suche eine Lösung für folgendes Szenario: An Standort A steht ein Server auf dem eine VM den DHCP Server für das Subnetz 10.0.0.0 /8 realisiert. Dieses kommt als VLAN auf einem meiner LAN Interfaces der Firewall an. An…
    • 11 months ago
    • Sophos Firewall
    • German Forum
  • 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
  • Sophos not allowing WLAN device to connect (DHCP)

    superfun2k22
    superfun2k22
    Hi there, I'm facing a problem which seems to me an general Sophos Problem, because I have it in my Sophos Home (SG110) and also on our 2 Sophos SG210 at Work.. I'm trying to connect wireless thermostats.. we tried 3 different brands, because we…
    • over 1 year ago
    • UTM Firewall
    • General Discussion
  • WAN DHCP bricht nach exakt 6 Minuten ab

    André
    André
    Hallo zusammen, ich habe seit ein paar Tagen folgendes Phänomen auf einer XGS107: WAN Interface (Port2) bekommt via DHCP vom SIP eine IP zugewiesen. Aus Designgründen darf diese nicht statisch vergeben werden, da sonst keine Einwahl erfolgt (Aussage…
    • over 1 year ago
    • Sophos Firewall
    • German Forum
  • 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
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