I have 4 FI800s that are exhibiting what I would call a memory leak. The setup has not changed much in years, but the issue appears to have been happening for a month or so. The memory usage will increase daily by about 2% until it maxes out, eventually requiring a reboot. There is nothing very special about the config, multiple vlans with virtual interfaces. Four switches total are deployed, 2 are utilizing static routing. One is running higher CPU utilization, but appears to be normal and appropriate for number of L3 interfaces. Code version 07.6.02dT53. No errors, nothing particular in the log. Traffic on the boxes is not particularly heavy, there are maybe a dozen or so interfaces running less than 1%, the key Gige uplinks are at about 6%. To me it appears to be "bad traffic" not too much traffic.
Under IP statistics "other errors" is incrementing fairly quickly as is "no port" number under UDP. Tomorrow I am going to attempt to do some packet captures and maybe capture some of the traffic. Is there any way to get more detail from the FastIron itself about the errors? Traffic stats show below IP Statistics 3198537708 received, 606235 sent, 3106151517 forwarded 0 filtered, 0 fragmented, 0 reassembled, 12 bad header 2 no route, 0 unknown proto, 0 no buffer, 612884 other errors ARP Statistics 1077439 total recv, 861467 req recv, 1635496 req sent, 292668 rep sent 0 pending drop, 0 invalid source, 0 invalid dest ICMP Statistics Received: 6195 total, 4 errors, 1599 unreachable, 0 time exceed 0 parameter, 0 source quench, 0 redirect, 4516 echo, 4 echo reply, 23 timestamp, 0 timestamp reply, 25 addr mask 0 addr mask reply, 0 irdp advertisement, 0 irdp solicitation Sent: 546414 total, 0 errors, 541855 unreachable, 12 time exceed 0 parameter, 0 source quench, 0 redirect, 7 echo, 4516 echo reply, 0 timestamp, 0 timestamp reply, 0 addr mask 24 addr mask reply, 0 irdp advertisement, 0 irdp solicitation UDP Statistics 934310 received, 44611 sent, 895179 no port, 0 input errors TCP Statistics 0 active opens, 0 passive opens, 358 failed attempts 4011 active resets, 0 passive resets, 3776 input errors 11838 in segments, 9112 out segments, 19 retransmission RIP Statistics 0 requests sent, 0 requests received 0 responses sent, 0 responses received 0 unrecognized, 0 bad version, 0 bad addr family, 0 bad req format 0 bad metrics, 0 bad resp format, 0 resp not from rip port 0 resp from loopback, 0 packets rejected
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