Avaya Configuring Interface and Router Redundancy Instrukcja Użytkownika Pobierz pdf (Strona 38)

Configuring Interface and Router Redundancy

3-2 114079 Rev. B

When planning your network for router redundancy, follow these guidelines:

• Determine the backed-up interfaces in each member of the router redundancy

group.

• Select the group ID and member IDs for router redundancy, noting the

following:

-- The group ID must be unique for each group in the network.

-- Each member ID must be unique within the group. Role-changing rules

use the member IDs to reassign roles. When two routers have the same

priority, the one with the lowest member ID becomes the primary router

when a role change occurs.

• Conﬁgure more than one interface for router redundancy to avoid a single

point of failure.

Refer to Appendix C for worksheets to help you plan your router redundancy

groups.

Protocols Supported

Interface redundancy works with IP, IPX, spanning tree bridging, source route

bridging, AppleTalk, and VINES.

Router redundancy works with IP, only on stub networks. The network segment

cannot have any other routers that require route advertisements.

LAN Interfaces

Interface and router redundancy support the following LAN interfaces as

redundant interfaces: 10-Mb Ethernet, 100-Mb Ethernet, and FDDI. Interface

redundancy also works with Token Ring networks.

All members of an interface redundancy group must be LAN interfaces of the

same type.

Multiple LAN interfaces of the same type or different types can carry the router

redundancy protocol.

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Avaya Configuring Interface and Router Redundancy Instrukcja Użytkownika Strona 38