\u767b\u9646\u4ea4\u6362\u673a\uff0c\u67e5\u770b\u7aef\u53e3\u72b6\u6001\uff1a<\/p>\n
\r\nSwitch>enable \r\nSwitch#show interfaces gigabitethernet 0\/19 status \r\nPort Name Status Vlan Duplex Speed Type\r\nG0\/19 err\u2212disabled 100 full 1000 1000BaseSX\r\n<\/pre>\n\u53ef\u4ee5\u770b\u523019\u7aef\u53e3\u51fa\u73b0\u95ee\u9898\uff0c\u7ee7\u7eed\u770b\u65e5\u5fd7<\/p>\n
\r\nSwitch#show logging\r\n...\r\nMar 30 01:43:39.827: %ETHCNTR\u22123\u2212LOOP_BACK_DETECTED: Loop\u2212back detected on GigabitEthernet0\/19.\r\nMar 30 01:43:39.827: %PM\u22124\u2212ERR_DISABLE: loopback error detected on Gi0\/19, putting Gi0\/19 in err\u2212disable state\r\nMar 30 01:43:40.833: %LINEPROTO\u22125\u2212UPDOWN: Line protocol on Interface GigabitEthernet0\/19, changed state to down\r\nMar 30 01:43:41.840: %LINK\u22123\u2212UPDOWN: Interface GigabitEthernet0\/19, changed state to down\r\n<\/pre>\n\u53d1\u73b0\u539f\u6765\u662f\u51fa\u73b0\u4e86\u73af\u8def\uff0c\u53c2\u8003cisco\u7684\u5b98\u65b9\u6587\u6863\uff0c\u4e00\u4e2a\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ea4\u6362\u673a\u5b9a\u65f6\u53d1\u9001keepalive\uff0c\u8fd9\u4e2a\u6570\u636e\u5305\u8fdb\u5165\u8282\u70b9\u540e\u53c8\u51fa\u6765\uff0c\u5230\u4e86\u540c\u4e00\u4e2a\u7aef\u53e3\uff0c\u5219\u4ea4\u6362\u673a\u8ba4\u4e3a\u53ef\u80fd\u51fa\u73b0\u73af\u8def\uff0c\u4ece\u800c\u7981\u7528\u3002<\/p>\n
\u89e3\u51b3\u529e\u6cd5\u662f\u7981\u7528keepalive\uff1a<\/p>\n
\r\nSwitch(config)#interface gigabitethernet 0\/19 \r\nSwitch(config\u2212if)#no keepalive\r\n<\/pre>\n\u5f53\u7136\u4e5f\u53ef\u4ee5\u5347\u7ea7\u5230\u9ad8\u7248\u672c\u7684IOS\uff0c\u9ed8\u8ba4\u4f1a\u7981\u7528keeplive\u3002<\/p>\n
\u7136\u540e\u6062\u590d\u51fa\u9519\u7684\u7aef\u53e3\uff1a<\/p>\n
\r\nSwitch(config)#errdisable recovery cause loopback \r\nSwitch(config)#exit\r\nSwitch#show errdisable recovery\r\n...\r\nInterfaces that will be enabled at the next timeout: \r\nInterface Errdisable reason Time left(sec)\r\n\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212 \u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212 \u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\u2212\r\nGi0\/9 loopback 205\r\nGi0\/10 loopback 205\r\nGi0\/19 loopback 205\r\n<\/pre>\n\u8fc7\u4e86300\u79d2\u540e\uff0c\u7aef\u53e3\u5e94\u8be5\u6062\u590d\u6b63\u5e38\uff0c\u6b64\u65f6\u80fd\u591f\u8fde\u63a5\u4e0a\u4e3b\u673a\u4e86\u3002<\/p>\n
\u6211\u89c9\u5f97\u4e5f\u53ef\u4ee5\u5728\u8282\u70b9\u4fa7\uff0c\u5728\u8fde\u63a5eth0\u7684ovs\u6865br0\u52a0stp\uff0c\u4ee5\u89c2\u540e\u6548<\/p>\n
\r\nroot@node4:~# ovs\u2212vsctl get bridge br0 stp_enable\r\nfalse\r\nroot@node4:~# ovs\u2212vsctl set bridge br0 stp_enable=true\r\n<\/pre>\n\u53c2\u8003\u6587\u7ae0<\/p>\n
Cisco\u4ea4\u6362\u673a\u547d\u4ee4\u884c\u914d\u7f6e(http:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus5000\/sw\/configuration\/guide\/cli_rel_4_0_1a\/CLIConfigurationGuide\/sm_syslog.html)<\/p>\n
Cisco\u4ea4\u6362\u673a\u7aef\u53e3\u51fa\u9519\u5904\u7406(http:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/lan-switching\/spanning-tree-protocol\/69980-errdisable-recovery.html)<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u4e00\u9635\u5b50\u90e8\u7f72\u4e86\u4e24\u53f0Openstack\u7684\u8ba1\u7b97\u8282\u70b9\uff0c\u5947\u602a\u7684\u662f\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u8fde\u7ba1\u7406\u7f51\u7684\u7f51\u5361eth0\u706f\u4e0d\u4eae\uff0c\u4ea4\u6362\u673a\u4e0a\u5bf9\u5e94\u768419\u7aef\u53e3\u706f\u53d8\u6a59\u8272\uff0c\u767b\u9646\u4e0a\u53bb\u4e00\u770b\uff0ceth0\u663e\u793a\uff1a 2: eth0: mtu 1500 qdisc mq master ovs\u2212system state DOWN mode DEFAULT group default qlen 1000 \u8fd0\u884cip link set eth0 up\u65e0\u6548\u3002 \u767b\u9646\u4ea4\u6362\u673a\uff0c\u67e5\u770b\u7aef\u53e3\u72b6\u6001\uff1a Switch>enable Switch#show interfaces gigabitethernet 0\/19 status Port Name Status Vlan Duplex Speed Type G0\/19 err\u2212disabled 100 full 1000 1000BaseSX \u53ef\u4ee5\u770b\u523019\u7aef\u53e3\u51fa\u73b0\u95ee\u9898\uff0c\u7ee7\u7eed\u770b\u65e5\u5fd7 Switch#show logging … Mar 30 01:43:39.827: %ETHCNTR\u22123\u2212LOOP_BACK_DETECTED: Loop\u2212back detected on GigabitEthernet0\/19. Mar … Continue reading “Openstack\u8282\u70b9\u7f51\u5361\u8fdeCisco\u4ea4\u6362\u673a\u51fa\u73b0\u73af\u8def\u7684\u5904\u7406”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-563","post","type-post","status-publish","format-standard","hentry","category-sdn"],"_links":{"self":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=563"}],"version-history":[{"count":9,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/563\/revisions"}],"predecessor-version":[{"id":574,"href":"https:\/\/marvelliu.space\/index.php?rest_route=\/wp\/v2\/posts\/563\/revisions\/574"}],"wp:attachment":[{"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marvelliu.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}