<![CDATA[Errors on incoming interface Intel X520-DA2]]>After upgrading to 2.6.0 I see errors on incoming LAN interface (Intel X520-DA2), My pfsense is monitored by Zabbix and this started after upgrading to 2.6.0
There are no errors on the switch interface (Brocade ICX-6450)

Hardware
CPU: E3-1230 v6
2 x Intel I210 on WAN
1 x Intel X520 on LAN with 8 vlans

Packages Installed:
acme, haproxy, iperf, mailreport, nmap, suricata, wireguard, zabbix-agent5

Other:
All Hardware offloading disabled

The red circle is when I rebooted pfsense

6e850e49-e6e1-4035-ac2b-cb4ac5b002fe-pfsense_LAN.jpg

4c93fd01-bb03-4b82-ae43-34cb6b5c16d8-pfsense_X520.jpg

5ca0fe9a-fe8a-47e8-9082-aef5ee148f82-pfsense_version.jpg

]]>https://forum.netgate.com/topic/170617/errors-on-incoming-interface-intel-x520-da2RSS for NodeSun, 18 Oct 2026 00:20:55 GMTWed, 09 Mar 2022 05:56:56 GMT60<![CDATA[Reply to Errors on incoming interface Intel X520-DA2 on Fri, 11 Mar 2022 22:31:18 GMT]]>Hmm, I can replicate your setup very closely here but can't replicate the problem. Yet.

This is an X520 NIC connected as a LAGG to two 10G ports on ICX-6450 using Brocade DAC cables:

[22.01-RELEASE][root@7100.stevew.lan]/root: netstat -i
Name    Mtu Network       Address              Ipkts Ierrs Idrop    Opkts Oerrs  Coll
ix0    1500 <Link#1>      8c:dc:d4:a8:15:e8 259154487     0     0 259272608     0     0
ix1    1500 <Link#2>      8c:dc:d4:a8:15:e8 240144841     0     0 240127722     0     0

This:

dev.ix.0.%pnpinfo: vendor=0x8086 device=0x10fb subvendor=0x103c subdevice=0x17d3 class=0x020000
dev.ix.0.%location: slot=0 function=0 dbsf=pci0:2:0:0
dev.ix.0.%driver: ix
dev.ix.0.%desc: Intel(R) X520 82599ES (SFI/SFP+)

[22.01-RELEASE][root@7100.stevew.lan]/root: ifconfig -v ix0
ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=e138bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,RXCSUM_IPV6,TXCSUM_IPV6>
        ether 8c:dc:d4:a8:15:e8
        media: Ethernet autoselect (10Gbase-Twinax <full-duplex,rxpause,txpause>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        plugged: SFP/SFP+/SFP28 1X Copper Active (Copper pigtail)
        vendor: BROCADE PN: 58-1000026-01 SN: CAX112240004092 DATE: 2012-06-16
[22.01-RELEASE][root@7100.stevew.lan]/root: ifconfig -v ix1
ix1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=e138bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,RXCSUM_IPV6,TXCSUM_IPV6>
        ether 8c:dc:d4:a8:15:e8
        hwaddr 8c:dc:d4:a8:15:e9
        media: Ethernet autoselect (10Gbase-Twinax <full-duplex,rxpause,txpause>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        plugged: SFP/SFP+/SFP28 1X Copper Active (Copper pigtail)
        vendor: BROCADE PN: 58-1000026-01 SN: CAX116410001093 DATE: 2016-10-07

Are you able to test a different cable? I do have a lower cost DAC cable here that throws errors at 10G.

Steve

]]>https://forum.netgate.com/post/1031916https://forum.netgate.com/post/1031916Fri, 11 Mar 2022 22:31:18 GMT<![CDATA[Reply to Errors on incoming interface Intel X520-DA2 on Wed, 09 Mar 2022 15:37:49 GMT]]>Mmm, some seconds loss is unlikely to related unless all the errors came at once. But that doesn't look like the case.

]]>https://forum.netgate.com/post/1031167https://forum.netgate.com/post/1031167Wed, 09 Mar 2022 15:37:49 GMT<![CDATA[Reply to Errors on incoming interface Intel X520-DA2 on Wed, 09 Mar 2022 15:23:35 GMT]]>Just now changed from Brocade to a Mikrotik and different DAC cable, same problem...

We have active RDP connections to different clients and sometimes we get connection lost for 1-2 seconds.
We keep a live ping to these clients and there are no request time outs even when we get connection lost.

]]>https://forum.netgate.com/post/1031163https://forum.netgate.com/post/1031163Wed, 09 Mar 2022 15:23:35 GMT<![CDATA[Reply to Errors on incoming interface Intel X520-DA2 on Wed, 09 Mar 2022 15:01:21 GMT]]>Beyond the error count are you actually seeing any connectivity issues?

Are you able to try switching the interfaces? (is it a dual port NIC?)

Have you tried a different DAC cable?

We have seen a number of reports of this, there is a thread here.
No solution as yet. No real confirmation it's actually a problem either, this could be real reflection of previously unlogged errors.

Steve

]]>https://forum.netgate.com/post/1031156https://forum.netgate.com/post/1031156Wed, 09 Mar 2022 15:01:21 GMT