• DHCP lost to all devices except one vlan

    Reem Jalal Eddine
    Reem Jalal Eddine
    hi i previously posted a question on how to migrate trunk vlans from one port to another mew port for lag configuration. Once i did the transfer we lost connection with dhcp all clients cannot get ip address but once they get a static ip the communication…
    • 5 hours ago
    • Sophos Firewall
    • Discussions
  • Central managed AP on VLAN can't see internet when behind a switch

    Marvin Hamm
    Marvin Hamm
    I'm trying to setup a Central managed AP to a VLAN connected SSID to my Firewall. Pos A - If I'm connected directly to the Firewall with the AP, the AP can see and serve the internet to anyone connected to it. Pos B - If I'm connected through a…
    • 12 days ago
    • Sophos Firewall
    • Discussions
  • [Feature request] 802.1p support for PPPoE/VLAN interfaces

    Samuel Leal
    Samuel Leal
    Hello, I'm seeing more and more ISPs asking for CPE P-bit setting for their connections. As far as i know, Sophos Firewalls still doesn't support this forcing us to use a bridged router supporting this feature in front of the Sophos FW. Please consider…
    • 17 days ago
    • Sophos Firewall
    • Discussions
  • Sophos XG Bridge. Mode, DHCP for VLAN takes Multiple Tries Before Getting an IP

    romaelz
    romaelz
    Hi. I've been battling this for days and finally decided to post it here and seek help. I've pfSense as the main router and Sophos XG is in bridge mode (for application filtering purposes). There's 1x VLAN involved. The DHCP works fine for the main…
    • Answered
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • IPsec Site-to-Site VPN certain VLAN cant reach remote subnet

    Kristoffer Cervantes
    Kristoffer Cervantes
    Hi everyone, We have an IPsec site-to-site VPN connection between our Sophos and Fortigate devices. Currently, both the gateway and tunnel are UP and functioning properly. VLAN 10 and VLAN 20 are included in the local subnet configuration on the Sophos…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Invalid Traffic - specifically using web browser, not via nmap

    jon_hall
    jon_hall
    Hi all, i have had a look at the Invalid Traffic page but as stated at the bottom doesnt resolve the issue, just reduces the number of logged entries My setup is as follows Core network is TPLink Omada (Manages the vlans) Sophos setup: Port1 …
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS is not compatible with VLAN ID 0 (Null VID) frames as defined in 802.1Q

    Jonathon Bauer
    Jonathon Bauer
    TLDR - IEEE 802.1Q reserves VLAN ID 0 for a special purpose. Sophos XGS firewalls do not implement this special purpose correctly, preventing communication with some ISP Gateway modems. The request for proper implementation of VLAN ID 0 handling is being…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • SFOS 20.0.1 MR-1-Build342 DHCP not working

    Sebastian_Wi
    Sebastian_Wi
    Hello, I've added a DHCP-Server for an interface on my XG. The interface is an RED-VLAN-Interface and ping from the switch is working. An Accesspoint connected to the switch did not get an IP-Adresse. Today we found out, that we have the same problem…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • How do I enable Subinterfaces for a Trunk?

    Kai Lamker
    Kai Lamker
    Hello all, I'm used to another known firewall vendor but I decided to give this for my home network a try since the other solution is way too expensive. My goal is to use a single link between my switch and my Sophos appliance so I do not need lots…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Created Vlan/dhcp but no internet

    Sophos User3521
    Sophos User3521
    I have created a new vlan and dhcp on the XGS, configured the vlan on unifi wifi/switches, I am getting ip however I cannot get internet access. I don't want the vlan to access other vlans however I want computers inside the vlan to communicate with…
    • Answered
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • Web Server on VLAN

    Bossmanuk
    Bossmanuk
    Hello Everyone, I am having a little configuration issue with my web server on a VLAN. All my VLANs have internet access but I can't seem to access my web server from outside my network. Can anyone post an example firewall rule from Public IP to VLAN…
    • Answered
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • Site-to-Site VPNs and VLANS

    Randy Cleveland
    Randy Cleveland
    Hi, We've run a flat lan for years at our main location. We've recently updated our network and added a few new VLANS to the mix. Now I have a problem. We have several Site-to-Site VPNs up and running that work great with our original VLAN1. However…
    • Answered
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • Unifi USG behind Sophos XG - vlan config

    Peter Mueller
    Peter Mueller
    Hi, my current network looks like this. This is a double NAT scenario but works quite well. Now I got a Unifi USG for testing purposes. I'd like to add it between the Sophos XG and the Unifi Switch. The Sophos should keep on managing DHCP, DNS…
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • VLAN firewall best-practices / Mode bridge, gateway mode

    Firewall-Tom
    Firewall-Tom
    Hello, we got 2 new XGS450-firewalls. Currently the configuration is blank. The firewall should manage the vlan traffic. We have 3 branches. They are connected with a cisco mpls-network. Our internet-firewall in the mpls network: Should be…
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • 2 Vlan , only one reserved ip possible for one device ??

    helmut willems
    helmut willems
    Hello , I have 2 SSID Data (vlan 10) , building (vlan 20). I have one mobile device who sometimes connect with data , sometimes with building. I can make a reserved IP on Mac adres for vlan Data (10) , but i can not reserve another adres for vlan…
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • Network concept considerations

    Andreas Bolz
    Andreas Bolz
    Hello Sophos Community, I am a Sophos beginner and have questions regarding the options for site connection via REDs or site-to-site VPN, as I have no practical experience here. What are my requirements? The idea is to connect 3 locations, whereby…
    • Answered
    • 4 months ago
    • Sophos Firewall
    • Discussions
  • Two VLAN on Same Server

    haidar salauroo
    haidar salauroo
    Hi, here is my setup, i have 2 VLAN ( 20 and 30 ) and both have DHCP enabled, and both have similar setting. VLAN is supposed to be used for Administration purposes and VLAN 30 for production traffic. VLAN 20 does not have access to Internet…
    • 5 months ago
    • Sophos Firewall
    • Discussions
  • Different default WAN gateways for different VLAN groups

    Administrator User484
    Administrator User484
    Hello. I wonder if Sophos Firewall could be set up to have each VLAN having different WAN gateways ? For example, VLAN 1 will go to WAN 1 and VLAN 2 will go to WAN 2, so that there will virtually be two networks. Originally, I was thinking to set…
    • 5 months ago
    • Sophos Firewall
    • Discussions
  • Does bridging VLANs or VLANs on a bridge make a difference?

    Wayne Folta
    Wayne Folta
    I have an APX320 on Port1 of an XGS. The original setup was to first bridge Port1, PortF1, and Port4 onto a bridge, LAN_Bridge, and then have the AP send three of its SSIDs down VLANs and bridge the other SSID to its LAN (LAN_Bridge). So the VLANs (LAN_Bridge…
    • Answered
    • 6 months ago
    • Sophos Firewall
    • Discussions
  • Bridge needs firewall rules, or not?

    Wayne Folta
    Wayne Folta
    I had our Sophos XG87 configured by our reseller when we bought it, since I knew nothing about how to do it properly. I've learned a lot and have changed quite a few things, but want to make a foundational change that will require destroying several things…
    • Answered
    • 6 months ago
    • Sophos Firewall
    • Discussions
  • Cannot recreate VLAN after unbinding port

    Wolfgang Jacques
    Wolfgang Jacques
    Port 1 was configured for LAN Usage VLAN 20 was added to Port 1 Port 1 was then unbound, VLAN 20 went away. Created VLAN 2 on the (unbound) Port 1 Wanted to create VLAN 20 again and add to Port 1 as well Get message " Interface name exists.…
    • 6 months ago
    • Sophos Firewall
    • Discussions
  • XG bridge editing causes network to go down

    Daniel Fehrenbach
    Daniel Fehrenbach
    Hello, I have a bridged interface. Port 1, 4, and 8. VLANs 1, 10. the bridge is in the LAN zone. VLAN 10 supports nearly all traffic, VLAN 1 exists for a private wifi network that allows guests/vendors to use the internet, but prevents them from…
    • 6 months ago
    • Sophos Firewall
    • Discussions
  • XGS2100 - VLAN gateways

    André Pinto
    André Pinto
    Hello, Please some help understanding the following scenario: VLAN ID - 400 VLAN ID - 410 On the network with vlan ID 400 I can use the ip gateway from VLAN ID 410 and it works! Rules are applied correctly (from VLAN ID 400). This happens in all the…
    • 7 months ago
    • Sophos Firewall
    • Discussions
  • 1 ISP WAN, 18 ISP LAN addresses - how to I setup a port for an edge router to go out ISP LAN IP

    avett1058
    avett1058
    We have 1 WAN IP from our ISP 18 LAN IPs from the ISP Current setup is one CAT6 from ISP to Sophos Firewall. Firewall has the 1 WAN IP interface setup for internet We need a port enabled for on the firewall for a Vendor router to use one of the…
    • Answered
    • 7 months ago
    • Sophos Firewall
    • Discussions
  • VLAN limit on physical interface

    René Gagneur
    René Gagneur
    Hello! We are planing micro segmentation of our server farm and thus will need a bunch of vlans in the range of 200-300, but there seems to be a limit on how many vlans can be added to a physical interface according to this kb: https://support.sophos…
    • 8 months ago
    • Sophos Firewall
    • Discussions
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