Specifications

CHAPTER
3-1
Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches
Release 5.2, Part Number OL-6484-01 Rev. C0, September 2005
3
Provisioning ATM Services
This chapter describes how to configure the AXSM card and provides procedures for adding ATM ports
and connections to the physical lines. The types of links and connections presented in this chapter are
listed in Table 3-1.
Note Before you can configure any ATM connections, you must first complete the general switch
configuration procedures described in Cisco MGX 8800/8900 Series Configuration Guide, Release 5.2,
and you must set up the AXSM cards and lines as described in Chapter 2, “Preparing AXSM Lines for
Communication.”
Table 3-1 AXSM Link and Connection Types
AXSM Link or Connection Type Description Section
MPLS and PNNI trunks PNNI trunks connect Cisco MGX switches to other
Cisco MGX switches.
“MPLS and PNNI Trunk Configuration
Quickstart” section on page 3-3
MPLS and PNNI UNI ports PNNI UNI ports connect Cisco MGX switches to
CPE.
“MPLS and PNNI UNI Port
Configuration Quickstart” section on
page 3-5
Switched Virtual Circuits
(SVCs)
SVCs are temporary connections that are brought
up and torn down upon request from CPE.
“SVC Configuration Quickstart”
section on page 3-7
Soft Permanent Virtual
Circuits (SPVCs)
SPVCs are permanent connections that can be
rerouted if a link fails.
“SPVC and SPVP Configuration
Quickstart” section on page 3-8
PNNI virtual trunks PNNI virtual trunks are used to traverse public
networks. The virtual trunk endpoints are on
separate networks, but the path between the
networks is treated like a single link.
“PNNI Virtual Trunk Configuration
Quickstart” section on page 3-9
Extended Permanent Virtual
Connections (XPVCs) and
Extended Permanent Virtual
Paths (XPVPs)
An XPVC/XPVP is basically an SPVC/SPVP that
connects a PNNI network to an AutoRoute
network. XPVCs and XPVPs span over
AutoRoute-to-PNNI or
AutoRoute-to-PNNI-to-AutoRoute hybrid
networks.
“XPVC and XPVP Configuration
Quickstart” section on page 3-13
Inverse Multiplexing over
ATM (IMA)
Inverse Multiplexing over ATM (IMA) is a protocol
that runs on the AXSM-32-T1E1-E. IMA allows
you to combine multiple T1 or E1 interfaces into a
single, high-speed IMA interface.
“Managing IMA Groups” section on
page 4-55