Motorola 68338 User Guide - Page 34

LAN Topology, Disabling of IP RIP or IPX RIP Split Horizon for LANView full mesh

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LANView of the WAN - Group LCONs 192.168.0.1 Vanguard-A 192.168.0.2 Vanguard-B Figure 2-10. LAN Topology 192.168.0.3 Vanguard-C 192.168.0.4 Vanguard-D Features and Uses LANView features include: • Up to 2000 LCONs per router depending on product, any set of which can be associated as a group to a single Router Interface • Up to 254 Router Interfaces per router • Multiple physical ports can share a single Router Interface Network Address. This includes combining X.25, Frame Relay, and dial ports. You can mix X.25 SVC LAN Connections and Frame Relay PVC LAN Connections in the same LAN Connection Group. • Multiple incoming calls accepted using RFC877 encapsulation • Varying encapsulation types for SVCs within the same LANView • Bridged data sent over SVCs/PVCs that are part of a LANView • Disabling of IP RIP or IPX RIP Split Horizon for LANView full mesh networks Support The LANView feature supports the following: • Frame Relay and X.25 networks • IP and IPX protocols • Existing point-to-point view configuration (one IP Network Address per LAN Connection) A router configured as LANView at the central site is able to operate with multiple Point-to-Point Views on the other end of the WAN link. Advantages You can benefit most from LANView if you are already using a LANView in your backbone networks. As shown in Figure 2-11, it is effortless to add several routers at branch sites with the same IP Network address if you are already running with your regional site WAN link configured as IP Network address 10.0.0.0. You need not change any of the configuration at the regional site. LANView is also appropriate if you have a shortage of IP Network address space. If you use Class C addresses (24-bit Network address and 8-bit Local address), you must balance the number of hosts on a subnetwork against the number of subnetworks you can have. In this situation, having fewer subnetwork addresses allows for more hosts at each subnetwork, since the WAN uses only one Subnet. The LANView feature also simplifies adding Dial on Demand and Bandwidth on Demand connections to a node. 2-18 Vanguard Routing Model

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2-18
Vanguard Routing Model
LANView of the WAN - Group LCONs
Figure 2-10. LAN Topology
Features and Uses
LANView features include:
•
Up to 2000 LCONs per router depending on product, any set of which can be
associated as a group to a single Router Interface
•
Up to 254 Router Interfaces per router
•
Multiple physical ports can share a single Router Interface Network Address.
This includes combining X.25, Frame Relay, and dial ports. You can mix X.25
SVC LAN Connections and Frame Relay PVC LAN Connections in the same
LAN Connection Group.
•
Multiple incoming calls accepted using RFC877 encapsulation
•
Varying encapsulation types for SVCs within the same LANView
•
Bridged data sent over SVCs/PVCs that are part of a LANView
•
Disabling of IP RIP or IPX RIP Split Horizon for LANView full mesh
networks
Support
The LANView feature supports the following:
•
Frame Relay and X.25 networks
•
IP and IPX protocols
•
Existing point-to-point view configuration (one IP Network Address per LAN
Connection)
A router configured as LANView at the central site is able to operate with multiple
Point-to-Point Views on the other end of the WAN link.
Advantages
You can benefit most from LANView if you are already using a LANView in your
backbone networks. As shown in Figure 2-11, it is effortless to add several routers at
branch sites with the same IP Network address if you are already running with your
regional site WAN link configured as IP Network address 10.0.0.0. You need not
change any of the configuration at the regional site.
LANView is also appropriate if you have a shortage of IP Network address space. If
you use Class C addresses (24-bit Network address and 8-bit Local address), you
must balance the number of hosts on a subnetwork against the number of
subnetworks you can have. In this situation, having fewer subnetwork addresses
allows for more hosts at each subnetwork, since the WAN uses only one Subnet.
The LANView feature also simplifies adding Dial on Demand and Bandwidth on
Demand connections to a node.
Vanguard-A
Vanguard-B
192.168.0.2
Vanguard-C
Vanguard-D
192.168.0.3
192.168.0.4
192.168.0.1