• XG and DHCP - where to go?

    Rudolf Mentär
    Rudolf Mentär
    Hi there, I am a home user. I have a modem/router combo, behind this an asus router, which I need, due to tx/rx performance. I had the idea to use my home sever as a (virtual) firewall, why I have virtualized a Sophos XG (latest) firewall in Hyper…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • DHCP not issuing addresses

    TheCodeGeek
    TheCodeGeek
    Hello, I have everything configured the way I want it for now. Everything is working, except for DHCP. When I check the status, Sophos XG Firewall says that it's running, but my devices will not connect, and can't seem to find the DHCP server. But…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • 3rd DHCP Server - Sophos XG

    Guilherme Pereira
    Guilherme Pereira
    Hello people. I am configuring the DHCP server for my client machines through Sophos XG. However, via the web, I can only assign primary DNS and Suncadario through DHCP Server. I would like to assign a 3rd DHCP. Any tips? Thanks.
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • DHCP Server option 121 - syntax

    Hans Wurstler
    Hans Wurstler
    Hi everyone, I'm trying to integrate the automatic distribution of static routes for my DHCP clients. This is part of option 121 - classless-static-routes I have added the relevant function through SSH and assigned the value entry a string type. Based…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • One network (DHCP) for both wireless and wired clients

    0li
    0li
    Hi everyone, I have two IoT devices that need connected both wireless and wired on the same network. Wireless and wired (connected to a dedicated port of the FW via a switch) clients must have the same IP adress range (so the same DHCP). How I could…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • DHCP Relay over VPN stop working

    JanH2019
    JanH2019
    Hello community, on 3 out of 10 of our sites we've the problem that DCHP Relay over VPN stop working. For testing we've setup a firewall rule on both sites to allow any service. On the first site, where the problem started, one day later it stats…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • Probleme mit DHCP bei Betrieb eines WLAN in einem bridge-Interface

    Clemens Drieschner
    Clemens Drieschner
    Hallo Community, wir haben eine XG125w (SFOS 17.5.14 MR-14-1) im Einsatz und ein sehr seltsames Phänomen im WLAN. Das WLAN ist mit Port1 in einer bridge im LAN. DHCP wird von einem Microsoft Windows Server 2019 übernommen. Wenn sich nun Geräte per…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • DHCP SCOPE GIVING IPS FROM WRONG RANGE

    Brad Haizlett
    Brad Haizlett
    Hello i just purchased this firewall and have the following setup I have 3 dhcp scopes: VLAN_500_SCOPE - 192.168.10.100 - 192.168.10.200 VLAN_600_SCOPE - 192.168.20.100 - 192.168.20.200 WFIF_SCOPE - 192.168.30.100 - 192.168.30.200 …
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • Best Practice to switch LAN Interface (LAG)

    Peter Mueller
    Peter Mueller
    Hi, basically I wanted to add a second LAN Uplink from my Sophos XG device to a Linksys LGS308 Switch. I configured a LAG interface on both ends and it seemed to work (LACP was activated), since the XG interface dashboard showed to me that traffic is…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • relayed DHCP packets with wrong source IP?

    Tobias Kuhnert
    Tobias Kuhnert
    hi guys, i am trying to get a DHCP relay over a site to site VPN working, but it looks like that the relayed packets are getting masqueraded by the XG with the IP address of the egress interfaces. (see screenshot). ipsec0 Link encap:Ethernet HWaddr…
    • Answered
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • DHCP Server With Multiple RED's and VLAN

    tscott_16
    tscott_16
    I have 4 remote locations connected via RED's where clients require access to DHCP on VLAN 20. I have created the following VLAN interfaces (Port8 is the local LAN interface): reds1.20 - 10.20.20.1/24 reds2.20 - 10.20.20.2/24 reds3.20 - 10.20.20.3…
    • Answered
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • VLANs behind RED

    Predrag Milenkovic
    Predrag Milenkovic
    Dear All, I have "small" problem with XG230/RED50 configuration: XG230 Port2 configured - WAN Port1 Default address 172.16.16.16/24 in LAN zone Vlan 2 and Vlan 3 are configured on Port1 also in LAN zone (Vlan2: 192.168.121.0/23, Vlan3…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • How to install Sophos UTM with Server 2012 R2 handling DHCP

    TECHGURU
    TECHGURU
    How do I set it up firewall/utm so that it is between modem and server/workstations while server handles DHCP? Scenario would be: Internet Modem > Firewall/UTM (WAN to internet, LAN to switch) > Server/workstations Typically when I install firewalls…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • Unifi AP & Switch, VLAN Guest Network

    yesandno
    yesandno
    Hi All, I am fairly new to the world of "Sophos". I need some help in setting up a guest WLAN on a VLAN through my Sophos XG 330. I have several unifi switches deployed and then connected to them are unifi access points. (I do not have unifi USG) I…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • VLAN DHCP does not work

    Captain_K
    Captain_K
    Hallo. Ich habe eine Sophos UTM auf eigener Hardware mit Homelizenz an einem Telekom VDSL100 Anschluss. Vor der UTM ist ein Zyxcel/speedlink Modem, hinter der UTM ein HP ProCurve 1810-8G Switch. Rechner aus dem LAN Netz 192.168.2.0/24 kommen ins Internet…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • [SOLVED] Issues with APs

    John Henry Vindas Carballo
    John Henry Vindas Carballo
    Hello all, I've been experiencing some issues lately with APs configured as 'Bridge to LAN'. First time, I saw the APs as 'Inactive' on the firewall, since we were implementing POL on our network infrastructure I thought this was due to the dBs on…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • How to setup DNS so local DNS resolves.

    christopher gilles
    christopher gilles
    Hello community, I'm a bit confused as to how to go about settings up DNS/DHCP so that I can resolve local addresses such as myserver.local I'm just wondering if there is a simple guide anyone can point me to, or give me a quick rundown, I'd much…
    • Answered
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • DHCP Block Flooding Firewall Logs

    IT-Support-247
    IT-Support-247
    Hi all, We have an XG210 running SFOS 16.05.8 MR-8. We've got issues where the firewall log is constantly flooding with DHCP related stuff. Here is part of that log: Log Comp: Local ACL Action: Denied Firewall Rule: 0 In Interface: Port1 Source IP:…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • Cant reserve IP Address in the DHCP Pool

    farhan ahmed
    farhan ahmed
    small router able to reserve IP Address from DHCP Pool and SOPHOS FIREWALL fail to do. IP Address Range which are not include in DHCP POOL will be static,,,,, what is the use of that kind of reservation,,, if we cannot reserve it from pool.. Please…
    • over 6 years ago
    • Sophos Firewall
    • Discussions
  • DHCP Options with custom Vendor Class

    Lantal Georg
    Lantal Georg
    Dear All I have currently the challenge to set up DHCP with Sophos XG V17. We have DELL WYSE ThinClients and ALCTATEL IPPhones. I know the CLI commands to add DHCP Options to the DHCP Server in XG and it works fine for our WYSE Thinclients. But I am…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • Nach Umstellung vom ISP (vermutlich auf DS-Lite) keine Verbindung per DHCP mehr möglich (Vodafone Kabel Deutschland)

    Snaker
    Snaker
    Hallo zusammen, ich versuche es möglichst kurz und bündig zu formulieren, was genau das Problem. Dazu muss man die bisherige Konstellation aber kennen, die wäre folgende: Kabel Deutschland Vodafone Anschluss 100 Mbit mit fester IP. Der Router ist ein…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • DHCP option 66/67 for WDS/PXE client in different subnet

    BBear
    BBear
    Hello community, I have a problem with my WDS/DHCP configuration. In short: When WDS and Client are on different subnets there's no communication. What I have: Server VLAN: 172.16.10.0/24 Client VLAN: 172.16.12.0/24 No firewall / all ports allowed…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • Is it possible to resolve hostnames from the DHCP leases ?

    mxull
    mxull
    Does the XG write the hostnames from the dhcp leases in the dns table ? Doing: - XG is the DNS / DHCP Server - Client1 gets IP from XG via DHCP - In the DHCP Lease Table i can see the client and the "hostname" Now it's not possible to resolve this hostname…
    • Answered
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • DHCP RELAY issue after upgrading to MR-8

    AntonioCorsini1
    AntonioCorsini1
    Hi all, just closed a ticket with Sophos Support. There is a confirmed bug (NC-20755). After uprading to MR-8, DHCP relays do not work properly. I have a configuration the several VLANS, and DHCP relay configured to serve dynamic IPs. A temporarily…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • IPv6 ICMPv6 not working

    Patrick Faust
    Patrick Faust
    Hello everybody, I have a dual stack IPv6 connection with a static IPv4 and IPv6 prefix from my ISP (Vodafone Cable Germany). Both static addresses are successfully deployed to my XG via DHCP from the ISP. My contractual Prefix with my ISP is…
    • Answered
    • over 7 years ago
    • Sophos Firewall
    • Discussions
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