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set spantree backbonefast enable set spantree uplinkfast enable set spantree porffast 3/2 enable set spantree porffast bpdu-filter enable
spanning-tree backbonefast spanning-tree porfast default spanning-tree uplinkfast max-update-rate 32000 set spantree uplindfast enable rate 40
PortFast UplinkFast BackBoneFast BPDU Filter
spanning-tree backbonefast spanning-tree portfast default spanning-tree uplinkfast max-update-rate 32000 set spantree uplinkfast enable rate 40
set spantree backbonefast enable set spantree uplinkfast enable set spantree porffast 3/2 enable set spantree portfast bpdu-filter enable
PortFast UplinkFast BackboneFast BPDU Filter
set spantree portfast 3/2 enable set spantree backbonefast enable set spantree uplinkfast enable set spantree portfast bpdu-filter enable
spanning-tree backbonefast spanning-tree porffast default spanning-tree uplinkfast max-update-rate 32000 set spantree uplinkfast enable rate 40
PortFast UplinkFast BackboneFast BPDU Filter
Catalyst 6500 Catalyst 2950 Catalyst 3750.3550 Catalyst 2960
set spanctree backbenefast enable set spanctree uplinkfast enable set spanctree portfst3/2 enable set spanctree portfast bpdu-filter enable
Catalyst 6500 Catalyst 4500 Catalyst 3750.3550 Catalyst 2960
PortFast UplinkFast BackBoneFast BPDU Filter
BackBoneFast用于在接入层交换机端口上跳过正常的生成树操作,加快终端工作站接入到网络中的速度 UplinkFast的功能就是是阻塞端VI不再等待一个生成树最大存活时间,而是直接将端口由侦听和学习状态转换为转发状态,从而提高了在间接链路失效情况下的收敛速度 PortFast的功能是当生成树拓扑结构发生变化和在使用上连链路组的冗余链路之间完成负载平衡时,提供快速收敛 BPDU Filter会使交换机在指定的端口上停止发送BPDUs,对于进入这个端口的BPDUs也不做任何处理,同时立刻将端口状态转换为转发状态
PortFast UplinkFast BackboneFast BPDU Filter
OSPF协议要求当链路状态发生变化时用洪泛法向全网路由器发送此信息 OSPF每个路由器的链路状态数据库包含着本区域的拓扑结构信息 每一个区域OSPF拥有一个32位的区域标识符 OSPF划分区域能提高路由更新收敛速度
OSPF协议要求当链路状态发生变化时用洪泛法向全网路由器发送此信息 OSPF每个路由器的链路状态数据库包含着本区域的拓扑结构信息 每一个OSPF区域拥有一个32位的区域标识符 OSPF划分区域能提高路由更新收敛速度
BackboneFast UplinkFast PortFast BPDU Filter