扬州电信IP城域网工程割接实施方案上海贝尔阿尔卡特股份有限公司互联网事业部2006年7月目录1.概述.................................................................................................................................................................22.扬州电信现状描述.........................................................................................................................................32.1.城域网现状拓扑.....................................................................................................................................32.2.城域网目标拓扑.....................................................................................................................................43.工程割接实施方案.........................................................................................................................................53.1.割接步骤概述.........................................................................................................................................53.2.割接进度总体安排.................................................................................................................................64.割接技术要点及配置规范.............................................................................................................................74.1.端口的模式设置.....................................................................................................................................74.2.以太端口MTU值设置..........................................................................................................................74.3.路由协议.................................................................................................................................................84.4.MPLS标签分发信令部署.....................................................................................................................94.5.部署全互连的SDP................................................................................................................................94.6.MPLSLDP配置...................................................................................................................................104.7.三层VPN配置.....................................................................................................................................115.割接详细步骤...............................................................................................................................................125.1.割接前的准备工作...............................................................................................................................125.2.割接时间具体安排...............................................................................................................................135.3.割接具体实施步骤...............................................................................................................................136.工程实施割接原则.......................................................................................................................................176.1.尽量短时间间断网络运行，并提供冗余备份方案...........................................................................176.2.对网络性能和业务开展尽可能少的产生影响..........................................
