配置到相同目的地多条IPv4静态路由,如果多条IPv4静态路由指定不同的优先级(Preference),则可实现路由备份。如图3-2,DeviceA到DeviceC有两条静态路由。在正常情况下,路由表上仅下一跳是DeviceB的静态路由的状态为“Active”,因为这条路由具有更高的优先级。另一条下一跳是DeviceD的静态路由则作为备份路由,只有在...
[~SwitchT] display ip routing-table 172.17.1.0 verbose Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route --- Routing Table : _public_ Summary Count : 1 Destination: 172.17.1.0/24 Protocol: Static Process ID: 0 Preference: 40 Cost: 0 Next...
[DeviceA] display ip routing-table Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route --- Routing Table : _public_ Destinations : 11 Routes : 11 Destination/Mask Proto Pre Cost Flags NextHop Interface 127.0.0.0/8 Direct 0 0 D 127.0.0.1 In...
Routingis a primary function of IP. Datagrams are handed to IPv4 from UDP and TCP above, and from the NIC(s) below. Each datagram is labeled with a source and destination IP address. IP examines the destination address on each datagram, compares it to a locally maintained route table, ...
组播路由和转发与单播路由和转发类似,首先每个组播路由协议都各自建立并维护了一张协议路由表。各组播路由协议的组播路由信息经过综合形成一个总的组播路由表(Multicast Routing-Table)。 最后,路由器根据组播路由和转发策略,从组播路由表中选出最优的组播路由,并下发到组播转发表(Multicast Forwarding-Table),直接用于控...
Routingis a primary function of IP. Datagrams are handed to IPv4 from UDP and TCP above, and from the NIC(s) below. Each datagram is labeled with a source and destination IP address. IP examines the destination address on each datagram, compares it to a locally maintainedroute table, and...
How IPv4 Addressing and IPv4 Routing Interact How the IPv4 Routing Table Works 显示另外 2 个 Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2 In this section Unicast IPv4 Routing Internetwork Structure How Host Routing and...
[SwitchA] display ip routing-table Route Flags: R - relay, D - download to fib, T - to vpn-instance --- Routing Tables: Public Destinations : 9 Routes : 10 Destination/Mask Proto Pre Cost Flags NextHop Interface 0.0.0.0/0 Static 60 0 RD...
[SwitchA] display ip routing-table Route Flags: R - relay, D - download to fib, T - to vpn-instance --- Routing Tables: Public Destinations : 9 Routes : 10 Destination/Mask Proto Pre Cost Flags NextHop Interface 0.0.0.0/0 Static 60 0 RD...
When forwarding a packet, a router first searches the routing table for the route to the destination address of the packet. The system can find the corresponding link layer address and forward the packet only after the next hop address is specified. When specifying the output interface, note ...