• Intermittently losing IPv4 connectivity on WAN

    For a couple of weeks now, I've been encountering intermittent loss of WAN connectivity. Looking in the System log, I see the same sequence of events every time: /var/log/system.log:2018:07:20-01:40:32 astaro dhclient: Killed old client process /var…

  • Unable to obtain DHCP lease through VDSL 2Wire router with UTM at or above 9.354-4 unless using gigabit switch

    I have a problem with my UTM in conjunction with my ISP's 2Wire 3801HGV whenever the UTM gets updated to 9.354-4 or higher whereas the 2Wire's DHCP ACK response seems to not be recognized by the UTM. I am asking the community what steps I should do…

  • MTU set to 576 with DHCP WAN Interfaces

    Hi All I have and a number of customers have had problems with WAN links using Dynamic IP. If this link state changes up/down standby the UTM will change the MTU size from what was set (usually 1500) to 576. Can be very frustrating. A number of…

  • RE: IPv6 in broken state

    I ve got similar problems since 6-8 weeks - maybe caused by an update. I´m using Sophos XG 105 and after a few month of stable functionality with my ISP (Deutsche Glasfaser) connected on WAN to a Genexis Live! Modem (bridged mode) the UTM lost the IPv6…

  • RE: Unable to obtain DHCP lease through bridged VDSL modem

    To anyone else hitting this issue: I've worked around the problem by compiling a statically-linked dhclient binary on an ubuntu box, source downloaded from www.isc.org using version 4.1-ESV-R13., configured with flags supporting chroot. After moving the…

  • Unable to obtain DHCP lease through bridged VDSL modem

    Hi there: I could really use some suggestions. Been running the home version of UTM 9 (Firmware version: 9.405-5) for a few months now with no issues. My WAN connection on eth1 had been an ADSL using PPPoE, but this last weekend I finally got bumped…

  • No IPv6 and IPv6 Default GW when Dynamic box checked

    Hi, I have UTM 9.403-4 and I was playing a little bit with IPv6 while I noticed something weird, through the WebGui on Interfaces & Routing -> Interfaces -> External WAN ( or any other ifaces that are connected to the DHCP router - the Ifaces are Ethernet…

  • WebAdmin Access on WAN interface

    Hopefully I have not overlooked something obvious, but I have installed a couple of UTMs in the past couple of years. They have been using a Static IP address on the WAN interface. I have no problems getting to the WebAdmin on those UTMs. However, now…

  • IPsec Side 2 Side VPN with DHCP WAN Interface (9.400-9)

    Hi there, We are currently experiencing strange connection problems via IPsec Side 2 Side tunnel from our SG125w to a juniper SSG5. There are 2 WAN interfaces with different IP's delivered via DHCP from our ISP (cisco cable modem). The VPN tunnel…
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