Copyright©博看网 www.bookan.com.cn. All Rights Reserved.用户侧局端局端用户侧用户侧局端局端用户侧E1/FE/GEERCPEUUE1/FE/GECPEGEE1/FE/GEER业务汇聚点业务汇聚点CPEUGEUE1/FE/GECPEFE/GEFE/GEGE业务汇聚点业务汇聚点CPEA2BBA2CPE光猫光猫FE/GEFE/GEGEGECPEA2BBA2CPE光猫光猫E1/FE/GEE1/FE/GEGECPEUUCPEGEE1/FE/GEE1/FE/GECPEGEOLTOLTCPEUUE1/FE/GEE1/FE/GECPEONUONUCPEOLTOLTE1/FE/GECPEONUONUE1/FE/GECPE本地网A本地网AUA2省会ER省会ERERER本地网B本地网BUUUBERERBA2A2BERERBA2OSPFOSPFISIS进程100ISIS进程1ISIS进程200OSPFOSPFISIS进程100ISIS进程1ISIS进程200路由泄露路由泄露路由泄露路由泄露U-U BFD FOR MS-PW 端到端检测（50 ms保护），3×10 ms检测时间U-U BFD FOR MS-PW 端到端检测（50 ms保护），3×10 ms检测时间静态静态PWPW动态PWPW动态（主）（主）动态PW动态PW动态PW动态PW动态PW动态PW静态PW静态PW（主）（主）静态静态PWPW（备）PWPW（备）动态动态动态PW动态PW静态PW静态PW（备）（备）Copyright©博看网 www.bookan.com.cn. All Rights Reserved.IP RAN网络UA2BERASBR对接网关GE/10 GEMSTP网络MSTP网关CPECPEER ER步骤一ASBRMSTPGE/10 GE网关MSTPIP RANBMSTPSTM1MSAPBA2A2A2E1UNIMSAP步骤二USTM1MSAPCPECPECPECPECPECPECPECPECPECPECPECPECopyright©博看网 www.bookan.com.cn. All Rights Reserved.Copyright©博看网 www.bookan.com.cn. All Rights Reserved.
