\u8207\u50b3\u7d71IP\u8def\u7531\u76f8\u6bd4\uff0cMPLS\u7684\u904b\u4f5c\u539f\u7406\u6709\u6839\u672c\u6027\u7684\u4e0d\u540c\u3002MPLS\u4e0d\u662f\u5728\u6bcf\u500b\u8df3\u9ede\u57fa\u65bcIP\u6a19\u982d\u9032\u884c\u8def\u7531\u6c7a\u7b56\uff0c\u800c\u662f\u4f7f\u7528\u6a19\u7c64\u4ea4\u63db\u4f86\u5efa\u7acb\u9810\u5b9a\u7fa9\u7684\u7db2\u8def\u8def\u5f91\u3002\u4ee5\u4e0b\u662f\u8a72\u904e\u7a0b\u7684\u6280\u8853\u7d30\u7bc0\uff1a<\/p>\n

\r\n# MPLS\u6a19\u7c64\u683c\u5f0f\r\n[\u6a19\u7c64 (20\u4f4d)][Exp (3\u4f4d)][S (1\u4f4d)][TTL (8\u4f4d)]\r\n\r\n# \u57fa\u672c\u6a19\u7c64\u64cd\u4f5c\r\npush_label():    # \u6dfb\u52a0\u6a19\u7c64\u5230\u6578\u64da\u5305\r\nswap_label():    # \u4ea4\u63db\u7576\u524d\u6a19\u7c64\r\npop_label():     # \u79fb\u9664\u9802\u5c64\u6a19\u7c64\r\n<\/code><\/pre>\n
MPLS\u67b6\u69cb\u7684\u6280\u8853\u512a\u52e2<\/strong><\/h2>\n
MPLS\u7684\u6838\u5fc3\u662f\u5be6\u73fe\u4e86\u4e00\u500b\u8907\u96dc\u7684\u6a19\u7c64\u5206\u767c\u5354\u5b9a\uff08LDP\uff09\uff0c\u7528\u65bc\u5efa\u7acb\u6a19\u7c64\u4ea4\u63db\u8def\u5f91\uff08LSPs\uff09\u3002\u9019\u4e9b\u8def\u5f91\u63d0\u4f9b\u78ba\u5b9a\u6027\u8def\u7531\uff0c\u5177\u6709\u4fdd\u8b49\u7684\u983b\u5bec\u548c\u5ef6\u9072\u7279\u6027\uff0c\u9019\u5c0d\u65bc\u670d\u52d9\u91d1\u878d\u6a5f\u69cb\u7684\u9999\u6e2f\u4f3a\u670d\u5668\u8a17\u7ba1\u8a2d\u65bd\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u7684MPLS\u6027\u80fd\u6307\u6a19<\/strong><\/h2>\n
\u4f86\u81ea\u9999\u6e2f\u9802\u7d1a\u4f3a\u670d\u5668\u8a17\u7ba1\u8a2d\u65bd\u7684\u6700\u65b0\u57fa\u6e96\u6e2c\u8a66\u5c55\u793a\u4e86MPLS\u7684\u5353\u8d8a\u6027\u80fd\u6307\u6a19\uff1a<\/p>\n
\r\n# \u5178\u578bMPLS\u6027\u80fd\u6578\u64da\r\n\u5ef6\u9072: < 2\u6beb\u79d2\uff08\u57ce\u5e02\u5167\uff09\r\n\u6296\u52d5: < 0.5\u6beb\u79d2\r\n\u5c01\u5305\u907a\u5931: < 0.001%\r\n\u6545\u969c\u8f49\u79fb\u6642\u9593: < 50\u6beb\u79d2\r\n<\/code><\/pre>\n
\u9019\u4e9b\u6307\u6a19\u5c55\u793a\u4e86\u70ba\u4ec0\u9ebc\u91d1\u878d\u6a5f\u69cb\uff0c\u7279\u5225\u662f\u90a3\u4e9b\u904b\u884c\u9ad8\u983b\u4ea4\u6613\u64cd\u4f5c\u7684\u6a5f\u69cb\uff0c\u9078\u64c7MPLS\u4f5c\u70ba\u5176\u95dc\u9375\u696d\u52d9\u9023\u63a5\u3002<\/p>\n
\u5be6\u65bd\u6848\u4f8b\u7814\u7a76\uff1a\u91d1\u878d\u5340\u90e8\u7f72<\/strong><\/h2>\n
\u4e00\u500b\u5be6\u969b\u7684\u4f8b\u5b50\u4f86\u81ea\u9999\u6e2f\u91d1\u878d\u5340\u7684\u6700\u65b0\u90e8\u7f72\uff0c\u5176\u4e2dMPLS\u5c55\u793a\u4e86\u5176\u8655\u7406\u8907\u96dc\u7db2\u8def\u9700\u6c42\u7684\u80fd\u529b\uff1a<\/p>\n
\r\n# MPLS\u6d41\u91cf\u5de5\u7a0b\u914d\u7f6e\u793a\u4f8b\r\ninterface GigabitEthernet0\/0\/0\r\n mpls traffic-eng tunnels\r\n ip rsvp bandwidth 1000000\r\n!\r\nmpls traffic-eng tunnels\r\nmpls traffic-eng router-id Loopback0\r\n!\r\ninterface Tunnel1\r\n ip unnumbered Loopback0\r\n tunnel mode mpls traffic-eng\r\n tunnel destination 192.168.1.1\r\n tunnel mpls traffic-eng priority 1 1\r\n tunnel mpls traffic-eng bandwidth 5000\r\n tunnel mpls traffic-eng path-option 1 dynamic\r\n<\/code><\/pre>\n
MPLS\u8207\u73fe\u4ee3\u66ff\u4ee3\u65b9\u6848\u7684\u5c0d\u6bd4<\/strong><\/h2>\n
\u96d6\u7136SD-WAN\u548c\u5176\u4ed6\u65b0\u8208\u6280\u8853\u5df2\u7372\u5f97\u95dc\u6ce8\uff0c\u4f46MPLS\u5728\u7279\u5b9a\u4f7f\u7528\u5834\u666f\u4e2d\u4ecd\u4fdd\u6301\u8457\u660e\u986f\u7684\u512a\u52e2\u3002\u4ee5\u4e0b\u662f\u95dc\u9375\u53c3\u6578\u7684\u6280\u8853\u5c0d\u6bd4\uff1a<\/p>\n\n\n\n\n\n
\u53c3\u6578<\/th>\n
MPLS<\/th>\n
SD-WAN<\/th>\n
\u50b3\u7d71IP<\/th>\n<\/tr>\n
\u78ba\u5b9a\u6027\u8def\u7531<\/td>\n
\u662f<\/td>\n
\u90e8\u5206\u652f\u63f4<\/td>\n
\u5426<\/td>\n<\/tr>\n
\u670d\u52d9\u54c1\u8cea\u4fdd\u8b49<\/td>\n
\u786c\u9ad4\u7d1a\u5225<\/td>\n
\u8edf\u9ad4\u7d1a\u5225<\/td>\n
\u76e1\u529b\u800c\u70ba<\/td>\n<\/tr>\n
\u6545\u969c\u8f49\u79fb\u901f\u5ea6<\/td>\n
\u5c0f\u65bc50\u6beb\u79d2<\/td>\n
\u4e0d\u56fa\u5b9a<\/td>\n
\u6578\u79d2<\/td>\n<\/tr>\n<\/table>\n
\u73fe\u4ee3\u8cc7\u6599\u4e2d\u5fc3\u4e2d\u7684\u9ad8\u7d1aMPLS\u529f\u80fd<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u7684\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u5be6\u65bdMPLS\u6642\uff0c\u7db2\u8def\u5de5\u7a0b\u5e2b\u5229\u7528\u4e86\u5340\u5225\u65bc\u50b3\u7d71\u7db2\u8def\u89e3\u6c7a\u65b9\u6848\u7684\u9ad8\u7d1a\u529f\u80fd\uff1a<\/p>\n
\r\n# \u9ad8\u7d1aMPLS\u914d\u7f6e\r\nmpls ldp router-id Loopback0 force\r\nmpls label protocol ldp\r\nmpls ldp explicit-null\r\n\r\n# QoS\u5be6\u65bd\r\nclass-map match-any CRITICAL-APPS\r\n  match dscp ef\r\n  match dscp cs6\r\npolicy-map QOS-POLICY\r\n  class CRITICAL-APPS\r\n    priority percent 30\r\n    police cir 100000000\r\n<\/code><\/pre>\n
\u8207\u96f2\u7aef\u57fa\u790e\u8a2d\u65bd\u7684\u6574\u5408<\/strong><\/h2>\n
\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u7684\u73fe\u4ee3MPLS\u90e8\u7f72\u901a\u904e\u5404\u7a2e\u4e92\u806f\u6a21\u578b\u8207\u96f2\u7aef\u670d\u52d9\u7121\u7e2b\u6574\u5408\u3002\u7db2\u8def\u5de5\u7a0b\u5e2b\u5be6\u65bd\u8907\u96dc\u7684\u6d41\u91cf\u5de5\u7a0b\u4f86\u6700\u4f73\u5316\u96f2\u7aef\u9023\u63a5\uff1a<\/p>\n
\r\n# \u96f2\u7aef\u6574\u5408\u67b6\u69cb\r\n[\u672c\u5730\u8cc7\u6599\u4e2d\u5fc3] <-> [MPLS\u6838\u5fc3] <-> [\u96f2\u7aef\u4ea4\u63db] <-> [\u96f2\u7aef\u670d\u52d9\u63d0\u4f9b\u5546]\r\n\r\n# \u6d41\u91cf\u5de5\u7a0b\u8def\u5f91\r\nR1(config)# interface Tunnel100\r\nR1(config-if)# tunnel mode mpls traffic-eng\r\nR1(config-if)# tunnel mpls traffic-eng autoroute announce\r\nR1(config-if)# tunnel mpls traffic-eng priority 2 2\r\nR1(config-if)# tunnel mpls traffic-eng bandwidth 5000\r\n<\/code><\/pre>\n
MPLS\u7db2\u8def\u7684\u672a\u4f86\u898f\u5283<\/strong><\/h2>\n
\u5de5\u7a0b\u5e2b\u6b63\u5728\u5be6\u65bd\u4e0b\u4e00\u4ee3MPLS\u529f\u80fd\u4ee5\u652f\u63f4\u65b0\u8208\u6280\u8853\uff1a<\/p>\n
\n
\u6bb5\u8def\u7531\u6574\u5408\u4ee5\u7c21\u5316\u63a7\u5236\u5e73\u9762<\/li>\n
\u901a\u904e6PE\u548c6VPE\u652f\u63f4IPv6<\/li>\n
\u4eba\u5de5\u667a\u6167\u9a45\u52d5\u7684\u6d41\u91cf\u6700\u4f73\u5316<\/li>\n
\u901a\u904eMPLS VPN\u9694\u96e2\u589e\u5f37\u5b89\u5168\u6027<\/li>\n<\/ul>\n
\r\n# \u4e0b\u4e00\u4ee3MPLS\u914d\u7f6e\r\nsegment-routing mpls\r\n connected-prefix-sid-map\r\n  address-family ipv4\r\n   192.168.1.1\/32 index 1\r\n   exit-address-family\r\n<\/code><\/pre>\n
\u6027\u80fd\u6700\u4f73\u5316\u548c\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u8a17\u7ba1\u8a2d\u65bd\u7684\u7db2\u8def\u5de5\u7a0b\u5e2b\u63a1\u7528\u8907\u96dc\u7684\u76e3\u63a7\u548c\u6700\u4f73\u5316\u6280\u8853\u4f86\u7dad\u6301MPLS\u7db2\u8def\u6027\u80fd\uff1a<\/p>\n
\r\n# MPLS\u6027\u80fd\u76e3\u63a7\r\nshow mpls traffic-eng tunnels statistics\r\nshow mpls forwarding-table\r\nshow mpls ldp neighbor detail\r\nshow mpls traffic-eng topology path destination\r\n\r\n# \u5e38\u7528\u9664\u932f\u547d\u4ee4\r\ndebug mpls ldp transport\r\ndebug mpls packet\r\ndebug mpls traffic-eng path\r\n<\/code><\/pre>\n
\u5be6\u65bd\u6700\u4f73\u5be6\u52d9<\/strong><\/h2>\n
\u70ba\u4e86\u5728\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u5be6\u73fe\u6700\u4f73\u7684MPLS\u90e8\u7f72\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6280\u8853\u6307\u5357\uff1a<\/p>\n
\n
\u5be6\u65bd\u5197\u9918\u6a19\u7c64\u5206\u767c\u5354\u5b9a\uff08LDP\uff09\u6703\u8a71<\/li>\n
\u914d\u7f6e\u986f\u5f0f\u7a7a\u6a19\u7c64\u901a\u544a<\/li>\n
\u555f\u7528\u5feb\u901f\u91cd\u8def\u7531\uff08FRR\uff09\u4ee5\u5be6\u73fe\u5c0f\u65bc50\u6beb\u79d2\u7684\u6536\u6582<\/li>\n
\u90e8\u7f72\u96d9\u5e73\u9762MPLS\u6838\u5fc3\u67b6\u69cb<\/li>\n<\/ul>\n
\u5be6\u969b\u6027\u80fd\u5206\u6790<\/strong><\/h2>\n
\u4f86\u81ea\u9999\u6e2f\u91d1\u878d\u5340\u7684\u6700\u65b0\u57fa\u6e96\u6e2c\u8a66\u5c55\u793a\u4e86MPLS\u5728\u95dc\u9375\u6307\u6a19\u4e0a\u7684\u512a\u52e2\uff1a<\/p>\n\n\n\n\n\n
\u6307\u6a19<\/th>\n
MPLS\u7d50\u679c<\/th>\n
\u7522\u696d\u8981\u6c42<\/th>\n<\/tr>\n
\u8def\u5f91\u6536\u6582<\/td>\n
< 50\u6beb\u79d2<\/td>\n
< 100\u6beb\u79d2<\/td>\n<\/tr>\n
\u6a19\u7c64\u5206\u767c<\/td>\n
< 100\u6beb\u79d2<\/td>\n
< 200\u6beb\u79d2<\/td>\n<\/tr>\n
\u7aef\u5230\u7aef\u5ef6\u9072<\/td>\n
< 2\u6beb\u79d2<\/td>\n
< 5\u6beb\u79d2<\/td>\n<\/tr>\n<\/table>\n
\u7d50\u8ad6<\/strong><\/h2>\n
MPLS\u6280\u8853\u6301\u7e8c\u767c\u5c55\uff0c\u4e26\u4fdd\u6301\u5176\u4f5c\u70ba\u9999\u6e2f\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u4e59\u592a\u7db2\u8def\u50b3\u8f38\u9996\u9078\u6280\u8853\u7684\u5730\u4f4d\u3002\u5176\u7368\u7279\u7684\u78ba\u5b9a\u6027\u8def\u7531\u3001\u670d\u52d9\u54c1\u8cea\u548c\u7d93\u904e\u9a57\u8b49\u7684\u53ef\u9760\u6027\u7d44\u5408\u4f7f\u5176\u6210\u70ba\u73fe\u4ee3\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u96a8\u8457\u8cc7\u6599\u4e2d\u5fc3\u7e7c\u7e8c\u64f4\u5c55\u548c\u767c\u5c55\uff0cMPLS\u5728\u63d0\u4f9b\u7a69\u5b9a\u3001\u9ad8\u6027\u80fd\u9023\u63a5\u65b9\u9762\u7684\u4f5c\u7528\u4ecd\u7136\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5c0d\u65bc\u8003\u616e\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u57fa\u790e\u8a2d\u65bd\u9078\u9805\u7684\u7db2\u8def\u67b6\u69cb\u5e2b\u548c\u5de5\u7a0b\u5e2b\u4f86\u8aaa\uff0cMPLS\u70ba\u4e59\u592a\u7db2\u8def\u50b3\u8f38\u9700\u6c42\u63d0\u4f9b\u4e86\u6700\u5f37\u5927\u548c\u6280\u8853\u6700\u5148\u9032\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u4fdd\u8b49\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u5feb\u901f\u767c\u5c55\u7684\u7db2\u8def\u6280\u8853\u9818\u57df\uff0c\u591a\u5354\u5b9a\u6a19\u7c64\u4ea4\u63db\uff08MPLS\uff09\u7e7c\u7e8c\u4fdd\u6301\u5176\u4f5c\u70ba\u4e59\u592a\u7db2\u8def\u50b3\u8f38\u9996\u9078\u6280\u8853\u7684\u5730\u4f4d\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u8cc7\u6599 […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":22438,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[6583,6585,6584,4779,2064],"class_list":["post-22441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-mpls-technology-tc","tag-mpls-networking-tc","tag-ethernet-transport-tc","tag-4779","tag-2064"],"acf":[],"yoast_head":"\n