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ME60 V800R010C10SPC500 Feature Description - WAN Access 01

This is ME60 V800R010C10SPC500 Feature Description - WAN Access
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Components

Components

On the ME60, you can run the ip route-static command to configure a static route, which consists of the following components:

Destination Address and Mask

In the ip route-static command, the IPv4 address is expressed in dotted decimal notation, and the mask is expressed in dotted decimal notation or represented by the mask length (the number of consecutive 1s in the mask).

Outbound Interface and Next Hop Address

An outbound interface, a next hop address, or both of them can be configured for a static route.

Actually, each routing entry requires a next hop address. Before sending a packet, a device needs to search its routing table for the route matching the destination address in the packet based on the longest match rule. The device can find the associated link layer address to forward the packet only when the next hop address of the packet is available.

When specifying an outbound interface, note the following:

  • For a Point-to-Point (P2P) interface, if the outbound interface is specified, the next hop address is the address of the remote interface connected to the outbound interface. For example, when a GE interface is encapsulated with Point-to-Point Protocol (PPP) and obtains the remote IP address through PPP negotiation, you need to specify only the outbound interface rather than the next hop address.

  • Non-Broadcast Multiple-Access (NBMA) interfaces are applicable to Point-to-Multipoint networks. Therefore, IP routes and the mappings between IP addresses and link layer addresses are required. In this case, you need to configure next hop addresses.

  • An Ethernet interface is a broadcast interface and a virtual-template (VT) interface can be associated with multiple virtual access (VA) interfaces. If the Ethernet interface or the VT interface is specified as the outbound interface of a static route, the next hop cannot be determined because multiple next hops exist. Therefore, do not specify an Ethernet interface or a VT interface as the outbound interface unless necessary. If you need to specify a broadcast interface (such as an Ethernet interface) or a VT interface as the outbound interface, specify the associated next hop address.

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Updated: 2019-01-04

Document ID: EDOC1100059473

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