Configuring Our Internetwork with Multiple Ethernet Frame Types
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In the above example, the same subinterface numbers were used, but they
can be any numbers you want to use. Here is a copy of the running-config
after the router is configured with all four IPX Ethernet frame types:
hostname RouterA
!
ipx routing 0060.7015.63d6
!
interface Ethernet0
ip address 172.16.10.1 255.255.255.0
ipx network 10
ipx network 10A encapsulation SAP secondary
!
interface Ethernet0.10
ipx network 10B encapsulation ARPA
!
interface Ethernet0.100
ipx network 10C encapsulation SNAP
!
interface Serial0
ip address 172.16.20.1 255.255.255.0
ipx network 20
Notice that under the main Ethernet interface there are two IPX network
numbers, one for the Novell-Ether (802.3) frame type and one for the SAP
(802.2) frame type. The Ethernet_II (ARPA) frame type and the SNAP frame
type have their own subinterfaces, and the secondary command does not
need to be used.
Configuring Multiple Frame Types on the 2501B Router
To configure the 2501B router, you need to be concerned with only the
Ethernet 0 interface. IPX network 30 is running the 802.3 frame type on the
primary interface. I will add the other three possible frame types to Ethernet 0.
Here is the configuration for the 2501B router:
2501B(config)#int e0
2501B(config-if)#ipx network 30a encap sap sec
2501B(config-if)#int e0.30
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