ZOTAC ZBOX CI327 NANO: link state changed to down



  • Hi all,

    I have a problem with pfsense 2.4.1. I have a 25/10M ineternet connection and for the last several months when the connection gets really busy, such as webex or other similar program the connection will drop with the following:

    Nov 3 11:47:07 	kernel 		re1: link state changed to DOWN
    Nov 3 11:47:07 	kernel 		re1: watchdog timeout 
    

    My loader.conf:

    
    autoboot_delay="3"
    vm.kmem_size="435544320"
    vm.kmem_size_max="535544320"
    kern.ipc.nmbclusters="0"
    hw.sdhci.enable_msi="0"
    hint.sdhci_pci.0.disabled="1"
    hint.hpet.0.clock="0"
    comconsole_speed="9600"
    hw.usb.no_pf="1"
    
    

    My system tunables:

    My interfaces:

    my ifconfig:

    
    re0: flags=8843 <up,broadcast,running,simplex,multicast>metric 0 mtu 1500
    	options=82098 <vlan_mtu,vlan_hwtagging,vlan_hwcsum,wol_magic,linkstate>ether 00:01:2e:78:4f:3c
    	hwaddr 00:01:2e:78:4f:3c
    	inet6 fe80::201:2eff:fe78:4f3c%re0 prefixlen 64 scopeid 0x1 
    	nd6 options=21 <performnud,auto_linklocal>media: Ethernet autoselect (100baseTX <full-duplex>)
    	status: active
    re1: flags=8943 <up,broadcast,running,promisc,simplex,multicast>metric 0 mtu 1500
    	options=82098 <vlan_mtu,vlan_hwtagging,vlan_hwcsum,wol_magic,linkstate>ether 00:01:2e:78:4f:3d
    	hwaddr 00:01:2e:78:4f:3d
    	inet6 fe80::201:2eff:fe78:4f3d%re1 prefixlen 64 scopeid 0x2 
    	inet 192.168.0.4 netmask 0xffffff00 broadcast 192.168.99.255 
    	inet 192.168.2.254 netmask 0xffffff00 broadcast 192.168.200.255 
    	nd6 options=21 <performnud,auto_linklocal>media: Ethernet autoselect (1000baseT <full-duplex>)
    	status: active</full-duplex></performnud,auto_linklocal></vlan_mtu,vlan_hwtagging,vlan_hwcsum,wol_magic,linkstate></up,broadcast,running,promisc,simplex,multicast></full-duplex></performnud,auto_linklocal></vlan_mtu,vlan_hwtagging,vlan_hwcsum,wol_magic,linkstate></up,broadcast,running,simplex,multicast> 
    

    I've read several posts bust have yet to come to a solution. I'm quite stuck and I am hoping that someone with significantly more BSD knowledge can help me out.

    I'm a linux admin by trade so I don't mind doing some technical work under the hood if required. I just don't know where to start

    Thanks!



  • I believe this is the same issue with the Realtek driver as the CI323, some people have reported manually updating the driver fixes it, however you might want to try this first as it is a bit easier:

    I have a handful of CI323's running pfSense and I found roughly half of them had this same problem intermitently, for me I was able to resolve it by hard setting the WAN interface to 100MB or 1000MB (depending if your WAN is on a gigabit switch or not at your ISP).  Just go to Interfaces > WAN and down to Speed and Duplex and change the interface from DEFAULT to 100MB or 1000MB.

    If that doesn't fix it try updating the driver and let us know how you make out: https://forum.pfsense.org/index.php?topic=134335.0



  • This is indeed a driver and/or firmware issue with this chip and revision. If updating does not work your next best option might be a dual-port mini-PCIe NIC…


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