• 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
  • DHCP leases - why is it page by page?

    Steve Klassen
    Steve Klassen
    When you look at your DHCP Lease... why is there no option to: a) show more than 20 lines on the page b) export to excel Instead it shows you the leases one page at a time. Not very convenient.
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS 107 firewall - do not relay ICMPv6 RA with global prefix to LAN

    fsdfdssd
    fsdfdssd
    Hi, I was investigating problem in RE: Sophos XGS 107 firewall - do not relay IPv6 DHCP to LAN now I analyzed network traffic and have some insights. I see ICMPv6 packets with Router Advertisement (134) with Prefix information coming into my LAN from…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS 107 firewall - do not relay IPv6 DHCP to LAN

    fsdfdssd
    fsdfdssd
    Hello, I have XGS 107 running in my setup. WAN is external network not managed by me. It looks like devices in the LAN network acquire Global IPv6 addresses instead of Link-Local addresses , which messes up a bit internet in my LAN network. Same setup…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • XGS - DHCP String option 128 Vlan Polycom

    AstaroNBack
    AstaroNBack
    We were doing DHCP via Windows Server but decided to use Sophos XGS. DHCP to assign VLAN to Polycom phones via OPTION 128 String VLAN-A=20; - NOTE the ; (semicolon) MUST be at the end of the string for it to work with Polycom. XGS will not allow me…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • WiFi Clients needs some time after connection succeeded, to gain internet access.

    Matteo Frati
    Matteo Frati
    Hello everyone, i noticed that all over my customers with Sophos appliance. When people connect a devices via wifi, they have to wait a few minutes to start browsing. The network is connected, but no internet access. Any idea on how to…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XG 19.5.2 - DHCP stopped logging in System

    Corey Carpenter
    Corey Carpenter
    Hello, Shortly after we updated to XG 19.5.2 we noticed that DHCP renewals were no longer logging in the System logs of the live viewer. There are no "DHCP Server" events shown at all. There have been no config changes since the update and DHCP is still…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • dhcp --lease Time increase

    satyabrata bastia
    satyabrata bastia
    Hi, currently we are running dhcp from firewall so some user lease time we need to increase so please help me how to extend lease time. Thanks satya
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SOPHOS XG DHCP BOOT FILE PXE/SCCM

    Claude Berenger Korandji
    Claude Berenger Korandji
    Hello everyone . I have a problem with the configuration of the PXE/SCCM taking the XG as DHCP . Here is my config - next server: ip address of my TFTP server (SCCM) - Boot file location: SMSBootPM100003\x64\wdsnbp.com I get this error ( TFTP time out…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Guest Wi-Fi not receiving DHCP from Sophos XG with Unifi

    Louis Havenga
    Louis Havenga
    Good day Members, I trust you are well. We are trying to setup a guest Wi-Fi with Sophos and Unifi. We have it currently working but with the DHCP server on the DC, We would like to move the Guest Wi-Fi DHCP to the Sophos XG. Main issue is device are…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Inter-VLAN/Subnet DHCP Relay not working, getting Violation / Local_ACL

    RyzenShine
    RyzenShine
    XG210, SFOS 19.5.2 MR-2-Build624 So, I have two VLANs, VLAN 70 - 192.168.70.0/28 and VLAN 100 - 10.0.0.0/24. DHCP server is on VLAN100, I want to relay DHCP requests from VLAN70 to VLAN100 for service. I have a relay set up like so: Name …
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • RED Anomaly?? Or a case of a weird ARP Proxy?

    FormerMember
    FormerMember
    I think I've come across an anomaly that I simply cannot explain. It caught it because a user complained. I remoted into their laptop and ipconfig showed me the ipconfig that I wasn't expecting. I need help untangling this. So I have 2 buildings A and…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Is there any relationship between computer MAC and assigned DHCP address?

    Salvador Gonzalez
    Salvador Gonzalez
    I would like to know how DHCP server works on a XG Firewall. Is there any relationship between computer MAC address and the IP address assigned by the Sophos firewall DHCP server?. Address are assigned in a consecutive order? Thanks in advance.
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • WAN Port not updating new IP address.

    Gary Singh
    Gary Singh
    I have a Sophos XG 125 Firewall and recently after updating the latest firmware, I'm having an issue with WAN port of firewall. The firewall's WAN port does not update the IP address automatically. I have to unbind the port and bind the port again to…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • networkd.log file questions

    MarkThornton
    MarkThornton
    Where can I find a description of the messages I find in the networkd.log? I'm looking for how to tell what might be going wrong with the wan dhcp request on my port2 on one of my XGS107's that is unable to renew an ip address. Can I disable the GuestAP…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS WAN Renew Issues

    Murphdog
    Murphdog
    I had an DHCP renew issue at a site today, but I have seen it at others. This one annoys me because I had to drive an hour to the site. Sophos XGS 87 fed on WAN by FIOS ONT ethernet. Fios rebooted the ONT, because that is what their automated system…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Log file containing dhcp client requests?

    MarkThornton
    MarkThornton
    I'm trying to locate the logfile that would track the firewall's own client dhcp request over a WAN connection when trying to get an ip from a Cradlepoint modem? My XG210 (SFOS 19.5.1 MR-1-Build278) is having trouble, but when I connect my laptop to the…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • PXE Boot DHCP Option 66 + 67 - Client falsely using the Firewall IP-Address as TFTP Server

    LHerzog
    LHerzog
    I'm trying to copy a PXE Boot Optin from the DHCP Server of a UTM to Sophos XGS The problem I face is, the Boot Client uses the IP-Address of the Firewall/DHCP Server as TFTP Server instead of the value provided in the Option 66 (Next Server) I tried…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XG blocking dhcp client from internet when at remote office.

    johnm_19
    johnm_19
    Hello, We've recently had to change our IP schema and now we're having issues with DHCP client laptop Site has windows server with DNS and DHCP to replicates back to main office Sophos XG has SSL site to site back home office Sophos XG Clients…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Use DHCP Options concerning WDS for PXE Boot

    Prateek Singhal
    Prateek Singhal
    Hello Community Members, Hope all is well on your end. I would like your support concerning PXE boot when the DHCP services are provided by SFOS Firewall. My WDS/PXE server is on a different VLAN and the laptops/desktops are on a different VLAN…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • DHCP Pool. Total Leases, Leases in use, Alert when low.

    Steve Klassen
    Steve Klassen
    Hi All, We issue DHCP licenses from our Sophos XGS appliance. Since I specify the pool in the DHCP section in the interface... the XGS should know how many leases are available, and since the XGS appliance hands them out, it should know how many leases…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
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