OSPF是一个动态路由协议,运行OSPF的路由器之间需要交换链路状态信息和路由信息,在交换这些信息之前首先需要建立邻接关系。 邻居路由器(Neighbor):有端口连接到同一个网段的两个路由器就是邻居路由器。邻居关系由OSPF的Hello协议维护。 邻接(Adjacency):从邻居关系中选出的为了交换路由信息而形成的关系。 并非所有的邻居...
OSPFv3 Process (1) Neighbor 2.2.2.2 is Full, interface address FE80::E0:CE19:8142:1 In the area 0.0.0.0 via interface GE1/0/0 DR Priority is 1 DR is 2.2.2.2 BDR is 1.1.1.1 Options is 0x000013 (-|R|-|-|E|V6) Dead timer due in 00:00:34 Neighbour is up for 01:30:52 Da...
(ms): 100 Detect-Multiplier: 4 Configured timer values Transmit-Interval(ms): 100 Receive-Interval(ms): 100 Detect-Multiplier: 4 Neighbor-Id: 10.1.1.1 BFD Status:UpInterface: GE0/0/1 IPv6-Local-Address:FE80::201:FF:FE01:1IPv6-Remote-Address:FE80::200:13FF:FE82:4569BFD Module ...
no ip proxy-arp duplex full#双工speed100#百兆速率bfd interval300min_rx300multiplier3router bgp64512neighbor202.101.1.2remote-as64513#建立ebgp邻居neighbor202.101.1.2ebgp-multihop2#ebgp参数neighbor202.101.1.2fall-over bfd single-hop B部门备路由器配置(Cisco2900)interfaceFastEthernet0/0/0ip address202.101...
bfd neighbor 192.168.0.1#对端接口地址,有些设备默认可不配置本命令 bfd interval 50 min_rx 50 multiplier 3#每50ms发送bfd报文,连续3次未收到认为链路失效 对端路由器接口配置为: int g1/1 bfd neighbor 192.168.0.2#对端接口地址 bfd interval 50 min_rx 50 multiplier 3#意义同上 ...
3、协议通知其与谁建立会话,会话建立后如果在检测时间内没有收到对端的BFD控制报文则认为发生故障,通知被服务的上层协议,上层协议进行相应的处理2 .BFD的工作流程流程图RouterARouterBkBFDneighbors0SPFneighborsOSPFadvertisestheBFDneighborrelationshipBFD的建立过程1上层协议通过自己的Hello机制发现邻居并建立连接2上层协议...
通过ARP(Address Resolution Protocol)、ND(Neighbor Discovery Protocol)、LACP(Link Aggregation Control Protocol,链路聚合控制协议)或者BFD(Bidirectional Forwarding Detection,双向转发检测)来检测网络中是否存在多个IRF。 (2)冲突处理 IRF分裂后,通过分裂检测机制IRF会检测到网络中存在其它处于Active状态(表示IRF处于正常工...
Repeat the steps in this procedure on each BFDneighbor. For more information, see the “Example: Configuring BFD Support for Static Routing” section. Procedure Command or ActionPurpose Step 1 enable Example: Device>enable Enables ...
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双向转发检测BFD是一种用于检测邻居路由之间链路故障的检测机制,他通常与路由协议联动,通过快速感知链路故障并通告使得路由协议能够快速的重新收敛,从而减少由于拓扑变化导致的流量丢失。 查看邻居建立关系 [R1]dis rip 1 neighbor --- IP Address Interface Type Last-Heard-Time --- 192.168.1.1 GigabitEthernet0/0/...