{"id":1134,"date":"2018-09-19T17:36:05","date_gmt":"2018-09-19T08:36:05","guid":{"rendered":"https:\/\/www.xenos.jp\/~zen\/blog2\/?p=1134"},"modified":"2018-09-19T17:36:05","modified_gmt":"2018-09-19T08:36:05","slug":"post-1134","status":"publish","type":"post","link":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/2018\/09\/19\/post-1134\/","title":{"rendered":"Cisco ASA 5512-x \u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067overrun\u306e\u30ab\u30a6\u30f3\u30c8\u304c\u5897\u3048\u308b"},"content":{"rendered":"<p>Cisco ASA 5512-x\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30b5\u30de\u30ea\u3092\u898b\u3066\u3044\u305f\u3068\u3053\u308d\u3001<code>overrun<\/code>\u3068\u3044\u3046\u30ab\u30a6\u30f3\u30bf\u304c\u3042\u3063\u305f\u3002\u305d\u306e\u30ab\u30a6\u30f3\u30bf\u306e\u5024\u304c\u5897\u3048\u3066\u3044\u305f\u3002<\/p>\n<p>\u5897\u3048\u3066\u3044\u305f\u306e\u306f\u3001<code>input error<\/code> \u3068<code>overrun<\/code>\u306e\u30ab\u30a6\u30f3\u30bf\u3067\u3001\u4e21\u65b9\u3068\u3082\u540c\u3058\u5024\u3060\u3063\u305f\u3002<\/p>\n<p>\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u306e<code>overun<\/code>\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u30d1\u30b1\u30c3\u30c8\u304c\u53d7\u4fe1\u3055\u308c\u305f\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9FIFO\u30ad\u30e5\u30fc\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u4f7f\u7528\u30b9\u30da\u30fc\u30b9\u304c\u306a\u304b\u3063\u305f\u3068\u304d\u306b\u30ab\u30a6\u30f3\u30c8\u30a2\u30c3\u30d7\uff08\u968e\u6570\u304c\u5897\u3048\u308b\uff09\u3059\u308b\u3002<\/p>\n<p>ASA\u306e\u5834\u5408\u306f\u3001Firewall\u3068\u3044\u3046\u7279\u6027\u304b\u3089\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u51e6\u7406\u901f\u5ea6\u4ee5\u4e0a\u306b\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u3089\u308c\u3066\u304f\u308b\u3068\u3001\u7c21\u5358\u306b\u305f\u307e\u3063\u3066\u3057\u307e\u3044\u3001\u3042\u3075\u308c\u308b(\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u306e\u306fCPU)\u3002\u305d\u3046\u3059\u308b\u3068\u3001`overrun`\u306e\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u304c\u5897\u3048\u308b\u3002<\/p>\n<p>\u72b6\u6cc1\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u7740\u4fe1\u6642\u306eCPU\u306e\u72b6\u6cc1\uff08CPU-HOG\uff09\u3092\u8abf\u3079\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\uff1a\u3000<code>show proc cpu-hog<\/code><\/p>\n<pre>\r\nciscoasa# show interface summary\r\nInterface GigabitEthernet0\/0 \"Outside\", is up, line protocol is up\r\n  Hardware is i82574L rev00, BW 1000 Mbps, DLY 10 usec\r\n        Auto-Duplex(Full-duplex), Auto-Speed(1000 Mbps)\r\n        Input flow control is unsupported, output flow control is off\r\n        MAC address 6073.5c68.fd67, MTU 1454\r\n        IP address 219.163.xxx.xxx, subnet mask 255.255.255.255\r\n        5961524560 packets input, 6341231636630 bytes, 0 no buffer\r\n        Received 0 broadcasts, 0 runts, 0 giants\r\n        1740 input errors, 0 CRC, 0 frame, 1740 overrun, 0 ignored, 0 abort\r\n        0 pause input, 0 resume input\r\n        0 L2 decode drops\r\n        3655881367 packets output, 1089584429139 bytes, 0 underruns\r\n        0 pause output, 0 resume output\r\n        0 output errors, 0 collisions, 1 interface resets\r\n        0 late collisions, 0 deferred\r\n        0 input reset drops, 0 output reset drops\r\n        input queue (blocks free curr\/low): hardware (478\/362)\r\n        output queue (blocks free curr\/low): hardware (464\/346)\r\n  Traffic Statistics for \"Outside\":\r\n        11921162403 packets input, 12420084859214 bytes\r\n        3655881367 packets output, 1023723468517 bytes\r\n        28612147 packets dropped\r\n      1 minute input rate 318 pkts\/sec,  61380 bytes\/sec\r\n      1 minute output rate 241 pkts\/sec,  97037 bytes\/sec\r\n      1 minute drop rate, 0 pkts\/sec\r\n      5 minute input rate 616 pkts\/sec,  343904 bytes\/sec\r\n      5 minute output rate 359 pkts\/sec,  104433 bytes\/sec\r\n      5 minute drop rate, 0 pkts\/sec\r\n<\/pre>\n<p><span class=\"bold\">FIFO\u30ad\u30e5\u30fc<\/span><\/p>\n<p>FIFO = First In First Out\u3002 \u3064\u307e\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u666e\u901a\u306e\u30ad\u30e5\u30fc\u3002<\/p>\n<p><span class=\"bold\">\u53c2\u8003<\/span><\/p>\n<p><a href=\"https:\/\/www.cisco.com\/c\/ja_jp\/support\/docs\/security\/asa-5500-x-series-next-generation-firewalls\/115985-asa-overrun-product-tech-note-00.html\">https:\/\/www.cisco.com\/c\/ja_jp\/support\/docs\/security\/asa-5500-x-series-next-generation-firewalls\/115985-asa-overrun-product-tech-note-00.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cisco ASA 5512-x\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30b5\u30de\u30ea\u3092\u898b\u3066\u3044\u305f\u3068\u3053\u308d\u3001overrun\u3068\u3044\u3046\u30ab\u30a6\u30f3\u30bf\u304c\u3042\u3063\u305f\u3002\u305d\u306e\u30ab\u30a6\u30f3\u30bf\u306e\u5024\u304c\u5897\u3048\u3066\u3044\u305f\u3002 \u5897\u3048\u3066\u3044\u305f\u306e\u306f\u3001input error \u3068overrun\u306e\u30ab\u30a6\u30f3\u30bf\u3067\u3001\u4e21\u65b9\u3068 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,7],"tags":[56],"class_list":["post-1134","post","type-post","status-publish","format-standard","hentry","category-network","category-tech-memo","tag-cisco"],"_links":{"self":[{"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/posts\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/comments?post=1134"}],"version-history":[{"count":1,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/posts\/1134\/revisions"}],"predecessor-version":[{"id":1135,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/posts\/1134\/revisions\/1135"}],"wp:attachment":[{"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/media?parent=1134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/categories?post=1134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xenos.jp\/~zen\/blog2\/index.php\/wp-json\/wp\/v2\/tags?post=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}