Figure 1-7 Tiered Network With Bpx Routing Hubs; Tiered Network Implementation - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

BPX Switch Operation
Figure 1-7
Frame Relay
Frame Relay
ATM T1/E1
ATM T1/E1
Frame Relay

Tiered Network Implementation

These requirements apply to BPX routing hubs and their associated interface shelves:
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•
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•
•
•
•
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Cisco BPX 8600 Series Installation and Configuration
1-16
Tiered Network with BPX Routing Hubs
Frame Relay
IGX
shelf
IGX
shelf
MGX
8220
IGX
MGX
8220
CES
Frame Relay
IGX
shelf
MGX 8220 Release 4 level is required on all MGX 8220 interface shelves.
Only one feeder trunk is supported between a routing hub and interface shelf.
No direct trunking between interface shelves is supported.
No routing trunk is supported between the routing network and interface shelves.
The feeder trunks between BPX hubs and IGX interface shelves may be T3, E3, or OC-3 (since
Release 9.2.30).
The feeder trunks between BPX hubs and MGX 8220 or MGX 8800 interface shelves are T3, E3,
or OC-3-c/STM-1.
Frame Relay and ATM connection management to an MGX 8220 or MGX 8800 interface shelf is
provide by Cisco WAN Manager
Telnet is supported to an interface shelf; the vt command is not.
Remote printing by the interface shelf via a print command from the routing network is not
supported.
CISCO WAN MANAGER
(network management)
BPX
(routing
hub)
IGX
BPX
BPX
(routing
(routing
hub)
hub)
Routing network
IGX
shelf
Frame Relay
IGX
shelf
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 1 The BPX Switch: Functional Overview
Frame Relay
IGX
shelf
Frame Relay
MGX
8220
CES
ATM T1/E1
MGX Frame Relay
8220
Frame Relay
S5278xmod