Avaya Configuring Interface and Router Redundancy Instrukcja Użytkownika Pobierz pdf (Strona 20)

Configuring Interface and Router Redundancy

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The active interface in an interface redundancy group uses the MAC address for

all traffic, including Breath of Life (BofL). The MAC address switches among

interfaces in the interface redundancy group so that it always represents the active

interface.

The MAC address affects the setup of network-layer protocol adjacent hosts on

adjacent routers. For example, if you have adjacent routers and the IP adjacent

host is defined with its next hop being the active interface in an interface

redundancy group, the adjacent host MAC address must be the active interface’s

MAC address; that is, 0x 2y yy A2xx xxxx

The circuit number maps to a virtual LAN (VLAN) on the router. Multiple

VLANs on the same router can be connected to frame switches.

You find the complete MAC address for the active interface in the interface

management information base (MIB) -- Ethernet or FDDI -- of the router on

which interface redundancy is configured. For example, if you are configuring

Ethernet, you can find the active MAC address in the Ethernet MIB by entering

the following command from the Technician Interface:

get wfCSMACDEntry.wfCSMACDMadr.*

Among the entries displayed in the MIB is the MAC address

0x 2y yy A2xx xxxx

, which is used for interface redundancy. If you configure more

than one interface redundancy group on the same router, you will see more than

one entry with the same MAC address. This is not a problem because the two

redundancy groups are in different subnets.

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Avaya Configuring Interface and Router Redundancy Instrukcja Użytkownika Strona 20