{"id":14039,"date":"2026-01-09T16:02:52","date_gmt":"2026-01-09T08:02:52","guid":{"rendered":"https:\/\/www.killtest.com.tw\/?p=14039"},"modified":"2026-01-09T16:02:52","modified_gmt":"2026-01-09T08:02:52","slug":"is-is%e7%b6%b2%e8%b7%af%e8%a8%ad%e8%a8%88%e6%a0%b8%e5%bf%83%ef%bc%9a%e9%81%b8%e6%93%87%e3%80%8c%e6%89%81%e5%b9%b3%e3%80%8d%e9%82%84%e6%98%af%e3%80%8c%e5%88%86%e5%b1%a4%e3%80%8d%ef%bc%9f%e4%b8%80","status":"publish","type":"post","link":"https:\/\/www.killtest.com.tw\/?p=14039","title":{"rendered":"IS-IS\u7db2\u8def\u8a2d\u8a08\u6838\u5fc3\uff1a\u9078\u64c7\u300c\u6241\u5e73\u300d\u9084\u662f\u300c\u5206\u5c64\u300d\uff1f\u4e00\u6b21\u8b1b\u900f\uff01"},"content":{"rendered":"\n<p>\u5728\u5927\u90e8\u5206\u4f01\u696d\u7db2\u8def\u7684\u74b0\u5883\u4e2d,IS-IS\u8def\u7531\u5354\u5b9a\u53ef\u80fd\u7528\u5f97\u6bd4\u8f03\u5c11\u3002<br>\u4f46\u96a8\u8457IPv6\u548cSRv6\u7684\u4e0d\u65b7\u666e\u53ca\uff0c\u5728\u8a31\u591a\u4f01\u696d\u548c\u653f\u5e9c\u55ae\u4f4d\u958b\u59cb\u4f7f\u7528IS-IS\u8def\u7531\u5354\u5b9a\u4f86\u53d6\u4ee3\u539f\u6709\u7684<a href=\"https:\/\/www.killtest.net\/Nokia-Network-Routing-Specialist-II-NRS-II\/4A0-113.asp\">OSPF<\/a>\u8def\u7531\u5354\u5b9a\u3002<br>\u90a3\u9ebc\u5728\u521d\u671f\u898f\u5283\u7db2\u8def\u7684\u6642\u5019\u8a72\u5982\u4f55\u8a2d\u8a08\u548c\u898f\u5283\u8def\u7531\u76f8\u95dc\u8cc7\u8a0a\u5462\uff1f<\/p>\n\n\n\n<p>01.IS-IS\u7684Level\u76f8\u95dc\u6982\u5ff5<br>Level-1<br>\u8ca0\u8cac\u5340\u57df\u5167\u7684\u8def\u7531\u3002 <br>L1\u8def\u7531\u5668\u53ea\u5b78\u7fd2\u672c\u5340\u57df\u7684\u62d3\u6a38\u7d50\u69cb\uff0c\u4e14\u53ea\u7dad\u8b77\u4e00\u500bLevel-1\u7684\u9023\u7d50\u72c0\u614b\u8cc7\u6599\u5eab\u3002\u5c0d\u65bc\u8981\u53bb\u5176\u4ed6\u5340\u57df\u7684\u5c01\u5305\uff0cL1\u8def\u7531\u5668\u6703\u5c07\u5176\u50b3\u9001\u7d66\u6700\u8fd1\u7684Level-1-2\u8def\u7531\u5668\u3002 <br>Level-2<br>\u8ca0\u8cac\u5340\u57df\u9593\u7684\u8def\u7531\u3002 L2\u8def\u7531\u5668\u5b78\u7fd2\u6574\u500b\u9aa8\u5e79\u5340\u57df\u7684\u62d3\u6a38\u7d50\u69cb\uff0c\u7dad\u8b77\u4e00\u500bLevel-2\u7684\u9023\u7d50\u72c0\u614b\u8cc7\u6599\u5eab\u3002<br>Level-2\u8def\u7531\u5668\u5171\u540c\u69cb\u6210\u7db2\u8def\u7684\u9aa8\u5e79\uff08Backbone\uff09\uff0c\u8ca0\u8cac\u5728\u4e0d\u540c\u5340\u57df\u4e4b\u9593\u50b3\u905e\u8def\u7531\u8cc7\u8a0a\u3002 <br>Level-1-2\u53c3\u8207Level-1\u548cLevel-2\u8def\u7531\u3002<br>\u5b83\u7dad\u8b77\u5169\u500bLSDB\uff1aL1 LSDB\u548cL2 LSDB\u3002\u5b83\u662f\u5340\u57df\u901a\u5f80\u5916\u90e8\u4e16\u754c\u7684\u201c\u7db2\u95dc\u201d\uff0c\u8ca0\u8cac\u5c07\u672c\u5340\u57df\u7684L1\u8def\u7531\u8cc7\u8a0a\u6d29\u6f0f\u5230L2\uff0c\u4e26\u5c07L2\u7684\u8def\u7531\u8cc7\u8a0a\uff08\u900f\u904e\u9810\u8a2d\u8def\u7531\u6216\u8def\u7531\u6d29\u9732\uff09\u50b3\u905e\u5230L1\u3002<br>\u73fe\u5728\u6211\u5011\u77e5\u66c9\u4e86\u9019\u4e09\u7a2eLevel\u7684\u610f\u7fa9\uff0c\u90a3\u9ebc\u5728\u8a2d\u8a08\u7d44\u7db2\u7684\u6642\u5019\u8a72\u5982\u4f55\u898f\u5283\u5462\uff1f<\/p>\n\n\n\n<p>02\u65b9\u6848\u4e00\uff1a\u6241\u5e73\u5316\u8a2d\u8a08\uff08\u55aeLevel-2\u8a2d\u8a08\uff09<br>\u5728\u73fe\u4ee3\u5316\u8cc7\u6599\u4e2d\u5fc3\uff0c\u70ba\u4e86\u8ffd\u6c42\u6975\u81f4\u7684\u7c21\u55ae\u6027\u548c\u4f4e\u5ef6\u9072\uff0c\u6241\u5e73\u5316\u7684Level-2\u8a2d\u8a08\u662f\u7d55\u5c0d\u7684\u4e3b\u6d41\u3002<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"411\" src=\"https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155646_670.png\" alt=\"\" class=\"wp-image-14040\" srcset=\"https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155646_670.png 920w, https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155646_670-300x134.png 300w, https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155646_670-768x343.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" 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49.0001 (\u5317\u4eac\u7e3d\u90e8)\uff1a \u4f5c\u70ba\u6838\u5fc3\u9aa8\u5e79\u5340\u57df\u3002 <br>Area 49.0002 (\u4e0a\u6d77\u4e2d\u5fc3)\uff1a \u4f5c\u70ba\u4e00\u500b\u975e\u9aa8\u5e79\u5340\u57df\u3002 <br>Area 49.0003 (\u6df1\u5733\u4e2d\u5fc3)\uff1a \u4f5c\u70ba\u53e6\u4e00\u500b\u975e\u9aa8\u5e79\u5340\u57df\u3002<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"725\" height=\"779\" src=\"https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155834_885.png\" alt=\"\" class=\"wp-image-14041\" srcset=\"https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155834_885.png 725w, https:\/\/www.killtest.com.tw\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_2026-01-09_155834_885-279x300.png 279w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" 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<br>L1\u5340\u57df\u5167\u7684\u8def\u7531\u5668\u8981\u53bb\u53e6\u4e00\u500b\u5340\u57df\u6642\uff0c\u9810\u8a2d\u884c\u70ba\u662f\u5c07\u6d41\u91cf\u50b3\u9001\u7d66\u6700\u8fd1\u7684L1-2\u8def\u7531\u5668\uff08\u57fa\u65bc\u5340\u57df\u5167\u958b\u92b7\uff09\u3002<br>\u4f46\u9019\u500b\u300c\u6700\u8fd1\u7684\u51fa\u53e3\u300d\u53ef\u80fd\u4e26\u4e0d\u662f\u901a\u5f80\u76ee\u7684\u5340\u57df\u7684\u6700\u512a\u51fa\u53e3\u3002\u8a2d\u8a08\u8207\u7ba1\u7406\u66f4\u70ba\u8907\u96dc\uff1a\u00a0\u9700\u8981\u4e8b\u5148\u898f\u5283\u5340\u57df\u908a\u754c\u3001\u90e8\u7f72\u8def\u7531\u5916\u6d29\u7b56\u7565\uff0c\u589e\u52a0\u4e86\u8a2d\u8a08\u8207\u7dad\u904b\u7684\u8907\u96dc\u5ea6\u3002<\/p>\n\n\n\n<p>04\u7e3d\u7d50<br>IS-IS\u7684\u5c64\u9593Level\u8a2d\u8a08\u76f8\u6bd4\u4e4b\u4e0b\u6bd4OSPF\u7684\u9078\u64c7\u66f4\u52a0\u591a\uff0c\u76f8\u5c0d\u65bcOSPF\u7684\u4e00\u4e9b\u7279\u6b8a\u5340\u57df\u800c\u8a00\uff0cIS-IS\u5c0d\u65bc\u8def\u7531\u7ba1\u7406\u505a\u5f97\u66f4\u52a0\u597d\u4e00\u4e9b\u3002<br>\u7576\u6548\u80fd\u548c\u7c21\u5316\u662f\u9996\u8981\u76ee\u6a19\uff0c\u4e14\u7db2\u8def\u898f\u6a21\u53ef\u63a7\u6642\uff0c\u9078\u64c7\u6241\u5e73\u5316\u7684\u55aeLevel-2\u8a2d\u8a08\u3002<br>\u7576\u9762\u5c0d\u5927\u898f\u6a21\u7db2\u7d61\uff0c\u9700\u8981\u6975\u5f37\u7684\u64f4\u5c55\u6027\u548c\u7a69\u5b9a\u6027\u6642\uff0c\u5fc5\u9808\u63a1\u7528\u5206\u5c64\u5316\u8a2d\u8a08\u3002 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