• dhcp renewal every 81 seconds

    Niall Farrell
    Niall Farrell
    Hi, Hoping someone can help me with my XG Firewall and my strange DHCP issue. I've set up DHCP on a VLAN and it serves about 10 devices. However, 2 of those devices show up in the System log and 'Renew' every 81 (or 82 seconds) without fail. These…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • I can't access the configuration portal

    Antonio Sancanari
    Antonio Sancanari
    Boa noite Sou novo no sophos xg e estou com problemas para acessar a configuração web. Fiz a instalação inicial -> acessei o painel web mas não fiz nenhuma alteração. Desliguei meu notebook e não consigo mais acessar o painel. Defino o ip fixo para 172…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Sophos SD RED 20 DHCP

    admin_idl
    admin_idl
    Hello, hello all. we have been trying to install a sophos red 20 including dhcp for some time now. the red has been configured and also reaches the internal network. However, as soon as a dhcp request is sent from a client behind the RED, this request…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • DHCP server intermittently blocks requests

    rfcat_vk
    rfcat_vk
    Hi folks, a little issue. I use the XG as my DHCP server. the devices concerned has a fixed IP assigned by mac address in the DHCP server. My weather station does an IP address refresh about every 10 minutes before it posts data on the central website…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Is it possible to set DHCP Options in the IPSec Client VPN (Connect Client)?

    roboo
    roboo
    Hello, is there a possiblity to set DHCP Options in the IPSec Connect Client VPN? I've found an article configuring DHCP options when you create a seperate DHCP Server. But I can't find the possibility to set options in the DHCP of the IPSec Connect…
    • Answered
    • over 3 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
  • 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
  • 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
  • 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
  • [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
  • 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
  • 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
  • Repeated release of DHCP address

    dma0
    dma0
    Happened to notice in the logs for XG the other day a zillion entries showing DHCP Server - RELEASE, all related to one device, a Cisco switch. More specifically, it's for the IP address to access the web UI for the switch. The details for each entry…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • HomeUser: Sophos UTM 9 und 2 x Fritzbox

    Frank Weitz
    Frank Weitz
    Guten Morgen, als HomeAnwender für das folgende Szenario bin ich gerade auf UTM9 Home gestossen: ich bin fast schon leidenschaftlicher AVM Anwender, stosse aber nun an Grenzen. Ich suche eine funktionierende Lösung, Gast Accounts (Mobile Geräte) und…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • DHCP options for NEC DT-series phones

    Chris Jones3
    Chris Jones3
    Spent some time learning how to configure DHCP options presented to NEC DT700 and DT800 series phones. Perhaps this will be helpful for someone else. Check out KB article 123518 to learn how to add/edit DHCP options (using the CLI). Option 120 is not…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • Clients via DHCP relay agent

    SteffenMüller
    SteffenMüller
    It is possible to assigns IP addresses to clients which are not in the network of the attached interface? One interface on my XG is connected to a larger network. The switches in the network are configured with ip helper addresses, i.e. relay in Sophos…
    • over 7 years ago
    • Sophos Firewall
    • Discussions
  • Cannot connect to WLAN on migrated hardware

    Patric Beuthen
    Patric Beuthen
    Dear experts I recently received new hardware for my XG Home. Unfortunately, the configuration export was apparently not complete, so some settings had to be adopted manually. LAN Network looks good, although Firewall rules are missing completely, but…
    • Answered
    • over 7 years ago
    • Sophos Firewall
    • Discussions
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