I am seeing RX Interface Overruns on both the LAN and WAN port of an XG 135 running SFOS 16.01.2 (I was also seeing the same issue when running 15.01.0 MR-3). Both ports are negotiating successfully at 1000 Mbit/s and Full Duplex. The LAN and WAN ports are directly connected into managed switches with 1000 Mbit/s ports. I am curious if anyone else is seeing these issues and if anyone has any ideas on what might be causing them. I know the number of overruns is low, but I do not understand why I should be seeing any overruns at all. Surely the NIC cards on the XG 135 hardware should not have an issue and the kernel should not have an issue emptying the buffer. I currently have IPS completely disabled for the known VoIP issues. CPU usage is <5% and Memory usage is <40%.
Output from console>show network interfaces:
Port1 Zonetype:LAN MAC Address:XX:XX:XX:XX:XX:XX MTU:1500
IPv4 Addr(s): 192.168.X.X/24 Bcast:192.168.X.255
IPv6 Addr(s): fe80::XXX:XXXX:XXXX:XXXX/64 (link-local)
Speed:1000Mb/s Full Duplex Auto Negotiation:yes
UP BROADCAST RUNNING MULTICAST
RX State: packets:113231913 bytes:51625538175 (48.0 GiB)
errors:0 dropped:0 overruns:589 frame:0
TX State: packets:141233802 bytes:150218288390 (139.9 GiB)
errors:0 dropped:0 overruns:0 carrier:0
Port2 Zonetype:WAN MAC Address:XX:XX:XX:XX:XX:XX MTU:1500
IPv4 Addr(s): XX.XX.XX.XX/28 Bcast:XX.XX.XX.XX
IPv6 Addr(s): fe80::XXX:XXXX:XXXX:XXXX/64 (link-local)
Speed:1000Mb/s Full Duplex Auto Negotiation:yes
UP BROADCAST RUNNING MULTICAST
RX State: packets:139091563 bytes:151983334883 (141.5 GiB)
errors:0 dropped:0 overruns:352 frame:0
TX State: packets:96154384 bytes:49519183728 (46.1 GiB)
errors:0 dropped:0 overruns:0 carrier:0
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