{"id":722,"date":"2013-05-07T15:02:12","date_gmt":"2013-05-07T07:02:12","guid":{"rendered":"http:\/\/127.0.0.1\/china029\/?p=722"},"modified":"2013-05-07T15:02:12","modified_gmt":"2013-05-07T07:02:12","slug":"%e4%bb%a5%e5%a4%aa%e7%bd%91%e5%b8%a7%e7%bb%93%e6%9e%84-vlan%e6%a0%87%e7%ad%be-qos%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/wp.china029.com\/index.php\/2013\/05\/07\/%e4%bb%a5%e5%a4%aa%e7%bd%91%e5%b8%a7%e7%bb%93%e6%9e%84-vlan%e6%a0%87%e7%ad%be-qos%e5%ae%9e%e7%8e%b0\/","title":{"rendered":"\u4ee5\u592a\u7f51\u5e27\u7ed3\u6784 vlan\u6807\u7b7e QoS\u5b9e\u73b0"},"content":{"rendered":"

1\u3001\u4ee5\u592a\u7f51\u5e27\u7ed3\u6784\u7684\u56fe\u7247\u8bf4\u660e<\/p>\n

2\u3001IEEE VLAN \u6807\u51c6 802.1Q \u5305\u62ec\u5411\u4ee5\u592a\u7f51\u5e27\u6dfb\u52a0 4 \u4e2a\u5b57\u8282\u3002\u524d 2 \u4e2a\u5b57\u8282\u662f\u7c7b\u578b\u534f\u8bae\u6807\u8bc6\u7b26\u3002\u5c06\u5e27\u6807\u8bc6\u4e3a\u6807\u8bb0\u5e27\u3002\u7b2c\u4e8c\u4e2a\u5b57\u8282\u662f VLAN \u6807\u7b7e\uff0c\u7528\u4e8e\u5c06\u5e27\u6807\u8bc6\u4e3a\u5c5e\u4e8e\u7f51\u7edc\u4e0a\u7684\u7279\u5b9a\u7ec4\u3002\u5f53\u5e27\u901a\u8fc7\u4ee5\u592a\u7f51\u7edc\u65f6\uff0c\u6cbf\u9014\u4e0d\u540c\u7684\u4ea4\u6362\u673a\u5c06\u8bfb\u53d6 VLAN \u6807\u7b7e\uff0c\u5e76\u786e\u5b9a\u5e94\u5c06\u5e27\u4f20\u9001\u5230\u4f55\u5904\u3002VLAN \u6807\u7b7e\u7684\u524d 3 \u4f4d\u7528\u4e8e\u8bc6\u522b\u5e27\u7684\u4f18\u5148\u7ea7\u3002\u8fd9\u6d89\u53ca\u5230 802.1p\u3002<\/p>\n

\"\u4ee5\u592a\u7f51\u5e27\u7ed3\u6784\"<\/a>

\u4ee5\u592a\u7f51\u5e27\u7ed3\u6784<\/p><\/div>\n

3\u3001\u6807\u8bc6VLAN\u5e27
\n\u5e27\u6807\u8bc6\uff1a\u7ed9\u901a\u8fc7\u4e2d\u7ee7\u94fe\u8def\u4f20\u8f93\u7684\u6bcf\u4e2a\u5e27\u6307\u5b9a\u72ec\u7279\u7684\u7528\u6237\u5b9a\u4e49ID\uff0c\u8be5ID\u5373\u4e3aVLAN\u53f7\u3002\u901a\u8fc7\u4e2d\u7ee7\u94fe\u8def\u4f20\u8f93\u7684\u6bcf\u4e2a\u5e27\uff0c\u5c06\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u52a0 \u5165\u5e27\u4e2d\uff0c\u4f20\u8f93\u8def\u5f84\u4e2d\u7684\u4ea4\u6362\u673a\u6536\u5230\u8fd9\u4e9b\u5e27\u540e\uff0c\u5bf9\u6807\u8bc6\u7b26\u8fdb\u884c\u68c0\u67e5\u5224\u65ad\u5e27\u5c5e\u4e8e\u54ea\u4e2aVLAN\uff0c\u7136\u540e\u5c06\u6807\u8bc6\u5220\u9664\u3002\u5982\u679c\u5e27\u901a\u8fc7\u53e6\u4e00\u6761trunk\u4f20\u8f93\u51fa\u53bb\uff0c\u5c06\u628aVLAN \u6807\u8bc6\u7b26\u91cd\u65b0\u52a0\u5165\u5230\u5e27\u5934\u4e2d\u3002<\/p>\n

4\u3001\u7b2c2\u5c42QoS\u5206\u7c7b\uff1a
\nIEEE 802.1Q\uff1a<\/strong>
\n????\u4f7f\u752812\u4f4d\u7684VLAN ID\u548c\u4e00\u4e2a\u7528\u6237\u5b57\u6bb5\u6807\u8bc6\u6bcf\u5e27\u3002\u7528\u6237\u5b57\u6bb5\u5305\u542b3\u4e2a802.1p\u4f18\u5148\u7ea7\u4f4d\uff0c\u5b83\u4eec\u6307\u51fa\u4e86\u5e27\u7684CoS\uff0c\u8be5\u503c\u7684\u53d6\u503c\u8303\u56f4\u4e3a0(\u6700\u4f4e\u4f18\u5148\u7ea7)-7(\u6700\u9ad8\u4f18\u5148\u7ea7)\u3002\u6765\u81ea\u672c\u5f81VLAN\u7684\u5e27\u6ca1\u6709\u88ab\u6807\u8bb0(\u65e0vlan ID\u548c\u7528\u6237\u5b57\u6bb5\uff0c\u56e0\u6b64\u5b83\u4eec\u7684CoS\u4e3a\u63a5\u53d7\u4ea4\u6362\u673a\u4e0a\u914d\u7f6e\u7684\u9ed8\u8ba4CoS\u503c\u3002)
\n ISL \uff1a<\/strong>
\n????15\u4f4d\u7684VLAN ID\u6807\u8bb0\u6bcf\u5e27\u3002\u5e27\u7c7b\u578b\u5b57\u6bb5\u7684\u540e\u9762\u662f\u4e00\u4e2a4\u4f4d\u7684\u7528\u6237\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u7684\u540e3\u4f4d\u7528\u4e8e\u6807\u793aCoS\u503c\u3002802.1Q\u4e2d\u7ee7\u5c01\u88c5\u7684802.1p CoS\u590d\u5236\u5230ISL\u5c01\u88c5\u7684\u7528\u6237\u5b57\u6bb5CoS\u4f4d\u4e2d\uff0c\u65e0\u7f1d\u5b9e\u73b0CoS\u3002<\/p>\n

5\u3001\u7b2c3\u5c42CoS\u5206\u7c7b\uff1a
\nIP\u5206\u7ec4\u7528\u4e8e\u6807\u8bc6\u5206\u7ec4\u7684\u670d\u52a1\u7c7b\u578b(ToS)\u5b57\u8282\uff1a3\u4f4d\u7684IP\u4f18\u5148\u7ea7\u503c\u548c4\u4f4d\u7684ToS\u503c
\nToS\u5b57\u8282\uff1aP2??P1??P0??T3??T2??T1??T0??Zero<\/p>\n

DSCP(6\u4f4d\u7684DS\u503c\u88ab\u79f0\u4e3a\u533a\u5206\u670d\u52a1\u7801\u70b9):3\u4f4d\u7684\u7c7b\u522b\u9009\u62e9\u7b26(DS5-DS3)\u548c3\u4f4d\u7684\u4e22\u5f03\u4f18\u5148\u7ea7(DS2-DS0)\u3002
\nDS\u5b57\u8282\uff1aDS5??DS4??DS3??DS2??DS1??DS0??ECN1??ECN0<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u4ee5\u592a\u7f51\u5e27\u7ed3\u6784\u7684\u56fe\u7247\u8bf4\u660e 2\u3001IEEE VLAN \u6807\u51c6 802.1Q \u5305\u62ec\u5411\u4ee5\u592a\u7f51\u5e27\u6dfb\u52a0 4 \u4e2a\u5b57\u8282\u3002\u524d 2 \u4e2a\u5b57\u8282\u662f\u7c7b\u578b\u534f\u8bae\u6807\u8bc6\u7b26\u3002\u5c06\u5e27\u6807\u8bc6\u4e3a\u6807\u8bb0\u5e27\u3002\u7b2c\u4e8c\u4e2a\u5b57\u8282\u662f VLAN \u6807\u7b7e\uff0c\u7528\u4e8e\u5c06\u5e27\u6807\u8bc6\u4e3a\u5c5e\u4e8e\u7f51\u7edc\u4e0a\u7684\u7279\u5b9a\u7ec4\u3002\u5f53\u5e27\u901a\u8fc7\u4ee5\u592a\u7f51\u7edc\u65f6\uff0c\u6cbf […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-722","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/posts\/722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/comments?post=722"}],"version-history":[{"count":0,"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/posts\/722\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/media?parent=722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/categories?post=722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.china029.com\/index.php\/wp-json\/wp\/v2\/tags?post=722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}