Cisco MC3810-V User Guide
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- Cisco MC3810-V | User Guide - Page 1
) for the Cisco MC3810 multiservice access concentrator. This document includes the following sections: • Feature Overview, page 1 • Supported Platforms, page 4 • Supported Standards, MIBs, and RFCs, page 4 • Prerequisites, page 4 • Configuration Tasks, page 5 • Troubleshooting Voice over ATM SVCs - Cisco MC3810-V | User Guide - Page 2
) signaling specification, version 4.0, simultaneously supporting permanent virtual circuits (PVCs) and SVCs. • Network Service Access Point (NSAP) addressing for private networks • Interim Local Management Interface (ILMI) • 24 simultaneous voice calls per Cisco MC3810 system • Support for tandem - Cisco MC3810-V | User Guide - Page 3
Benefits The Cisco MC3810 multiservice access concentrator formerly supported only non-dial permanent virtual circuits (PVCs) for ATM traffic. SVCs offer the following benefits: • Dynamic resource allocation is more efficient and flexible than in nailed-up PVC connections. • Many service providers - Cisco MC3810-V | User Guide - Page 4
Platforms This feature is supported on the Cisco MC3810 multiservice access concentrator. Supported Standards, MIBs, and RFCs No MIBs are supported by this feature. Other Standards • ATM Forum document af-uni-0010.002, ATM User-Network Interface Specification V3.1 (1994), including support for the - Cisco MC3810-V | User Guide - Page 5
in Cisco MC3810 Multiservice Access Concentrator Software Configuration Guide. This configuration task also includes the basic steps required for ATM support over T1/E1 controller 0. Step Command 1 Router# configure terminal 2 Router(config)# controller {T1 | E1} 0 3 Router(config-controller - Cisco MC3810-V | User Guide - Page 6
config) : T1 0 Step 2 Enter the privileged EXEC show controllers t1 or show controllers e1 command to see the status of T1/E1 controllers. router# show controller t1 1 T1 1 is up. Applique type is Channelized T1 Cablelength is long gain36 0db No alarms detected. Slot 4 CSU Serial #07789650 Model - Cisco MC3810-V | User Guide - Page 7
additional information, see Cisco MC3810 Multiservice Access Concentrator Software Configuration Guide and Cisco MC3810 Multiservice Access Concentrator Software Command Reference. You can also configure PVCs for voice communications. Wide-Area Networking Configuration Guide and Wide-Area Networking - Cisco MC3810-V | User Guide - Page 8
Configuring ATM Interfaces Step Command 4 Router(config-if)# atm voice aesa {default | esi-address} 5 Router(config-if)# pvc [name] vpi/vci ilmi 6 Router(config-if-atm-pvc)# pvc [name] vpi/vci qsaal 7 #Router(config for specific traffic configuration mode. 8 Cisco IOS Release 12.0(7)T - Cisco MC3810-V | User Guide - Page 9
: 0xE000 OAM frequency: 0 second(s), OAM retry frequency: 1 second(s) OAM up retry count: 3, OAM down retry count: 5 OAM Loopback status: OAM Disabled OAM VC state: Not Managed ILMI VC state: Not Managed InARP DISABLED Voice over ATM Switched Virtual Circuits on the Cisco MC3810 9 - Cisco MC3810-V | User Guide - Page 10
Configuration InPkts call locally initiated, call reference = 5558610 vcnum = 5, vpi = 0, vci = 134, state = Active(U10), point-to-point call management and Q.SAAL signaling, enter the show atm pvc command with the VPI/VCI specified, as in the following example: Router Cisco IOS Release 12.0(7)T - Cisco MC3810-V | User Guide - Page 11
is set up to allow SVC management: Router# show atm video-voice address nsap address 47.0091810000000002F26D4901.00107B4832E1.FE 47.0091810000000002F26D4901.00107B4832E1.C8 type VOICE_AAL5 VIDEO_AAL1 ilmi status Confirmed Confirmed Voice over ATM Switched Virtual Circuits on the Cisco MC3810 11 - Cisco MC3810-V | User Guide - Page 12
(config)# dial-peer voice tag voatm 6 Router(config-dialpeer)# fax rate 4800 Purpose Enter global configuration mode. Specify a voice port and enter voice-port configuration mode. port specifies the slot number on the Cisco MC3810. If the analog voice module (AVM) or the digital voice module (DVM - Cisco MC3810-V | User Guide - Page 13
see Voice, Video, and Home Applications Configuration Guide for Cisco IOS Release 12.0. Exit dial-peer configuration mode for this particular dial peer. Define a local voice ATM dial peer. The tag value identifies the dial peer and must be unique on the Cisco MC3810. Do not duplicate a specific tag - Cisco MC3810-V | User Guide - Page 14
Voice Ports and Voice Dial Peers s Call-Disconnect Time Out is set to 0 s Coder Type is g729ar8 Companding Type is u-law Voice Activity Ohm Voice card specific Info Follows: Signal Type is immediate Operation Type is 2-wire E&M Type is 1 Dial Timing is set to 140 ms Dial Pulse Min. Delay is set to - Cisco MC3810-V | User Guide - Page 15
Verifying Voice Ports and Voice Dial Peers Step 2 To verify voice dial-peer configuration, enter the privileged EXEC show dial-peer voice command. The following text is sample output from the show dial-peer voice command: Router# show dial-peer voice VoiceEncapPeer1 tag = 1, destination-pattern - Cisco MC3810-V | User Guide - Page 16
Cisco IOS Release 12.0 Voice, Video, and Home Applications Configuration Guide. Please see if any additional steps should be mentioned here. Step 1 Make sure that the ATM interface, serial ports, and controllers are set to no shutdown. Step 2 On both Cisco MC3810 multiservice access concentrators - Cisco MC3810-V | User Guide - Page 17
show controllers t1 or show controllers e1 to see the clock source settings. For additional guidance, see Chapter 4, "Configuring Synchronized Clocking," in Cisco MC3810 Multiservice Access Concentrator Software Configuration Guide. Check the functionality of the Service-Specific Connection-Oriented - Cisco MC3810-V | User Guide - Page 18
Troubleshooting Voice over ATM SVCs Step 7 Enter the show dial-peer voice command on the local and remote concentrators to verify that each has been configured properly to communicate with the other, as shown in the following example: Router1# show dial-peer voice VoiceEncapPeer33 tag = 1, - Cisco MC3810-V | User Guide - Page 19
t1/e1 Router# show interfaces serial Router# show atm vc Router# show interface atm0 Router# show controllers atm Router# show atm video-voice address Router# show atm ilmi-status Router# show sscop Router# show voice busyout Router# show voice port Router# show voice dial-peer Router# show call - Cisco MC3810-V | User Guide - Page 20
of two Cisco MC3810 multiservice access concentrators that each have voice dial peers connecting over ATM SVCs. For additional information, see the Cisco MC3810 Multiservice Access Concentrator Software Configuration Guide and the Cisco MC3810 Multiservice Access Concentrator Software Command - Cisco MC3810-V | User Guide - Page 21
destination-pattern 5559804 port 1/4 ! dial-peer voice 5 pots destination-pattern 5559805 port 1/5 . . . dial-peer voice 202 voatm destination-pattern 5558... session target ATM0 svc nsap 47.0091810000000002F26D4901.00107B4832E1.FE Voice over ATM Switched Virtual Circuits on the Cisco MC3810 21 - Cisco MC3810-V | User Guide - Page 22
commands. All other commands used with this feature are documented in the Cisco IOS Release 12.0 command reference publications. • atm scramble-enable • atm voice aesa • serial restart-delay • session target • show atm video-voice address In Cisco IOS Release 12.0(1)T or later, you can search - Cisco MC3810-V | User Guide - Page 23
interface configuration on the Cisco MC3810. Usage Guidelines Enable scrambling on E1 links only. On T1 links, Cisco MC3810, the following example shows how to set the ATM0 E1 link to scramble payload: interface atm0 atm scramble-enable Voice over ATM Switched Virtual Circuits on the Cisco MC3810 - Cisco MC3810-V | User Guide - Page 24
On a Cisco MC3810, the following example shows the ATM interface NSAP address set automatically: interface atm0 atm video aesa default On a Cisco MC3810, the following example shows the ATM interface NSAP address set to a specific ESI value: interface atm0/1 atm video aesa 444444444444 24 Cisco IOS - Cisco MC3810-V | User Guide - Page 25
atm voice aesa Related Command Command show atm video-voice address Description Allows you to review the address assigned to an ATM interface. Voice over ATM Switched Virtual Circuits on the Cisco MC3810 25 - Cisco MC3810-V | User Guide - Page 26
configuration on the Cisco MC3810. Usage Guidelines The router resets the hardware each time the serial restart timer expires. This command is often used with the dial backup feature and with the pulse-time command, which sets the amount of time to wait before redialing when a DTR dialed device - Cisco MC3810-V | User Guide - Page 27
This command was introduced. Support was added for VoFR, VoATM, and VoHDLC dial peers on the Cisco MC3810. The cid option was added for Frame Relay dial peers. Support was added for voice and video ATM SVCs on the Cisco MC3810. Usage Guidelines Enter the ATM-specific version of this command to - Cisco MC3810-V | User Guide - Page 28
555 session target ATM0 svc nsap 47.0091810000000002F26D4901.444444444444.01 Related Commands Command dial-peer voice show dial-peer voice Description Sets up a voice dial peer for a local or remote dial peer. Displays details about configured voice dial peers. 28 Cisco IOS Release 12.0(7)T - Cisco MC3810-V | User Guide - Page 29
Modification This command was introduced for the Cisco MC3810. Usage Guidelines Enter this command to review ATM interface NSAP addresses that have been assigned using the atm video aesa or atm voice aesa command and to insure that ATM management is confirmed for those addresses. Example On - Cisco MC3810-V | User Guide - Page 30
. CCS-common-channel signaling CES-circuit emulation service. Enables users to multiplex or concentrate multiple circuit emulation streams for voice and video with packet data on a single high-speed ATM link without a separate ATM access multiplexer. E1-European digital carrier facility used for - Cisco MC3810-V | User Guide - Page 31
service specific convergence sublayer. One of the two sublayers of any AAL. SSCS, which is service specification that defines an interoperability standard for the interface between ATM-based products (a router two ATM devices. A VCC Voice over ATM Switched Virtual Circuits on the Cisco MC3810 31
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Voice over ATM Switched Virtual Circuits on the Cisco MC3810
1
Voice over ATM Switched Virtual
Circuits on the Cisco MC3810
This document describes voice over Asynchronous Transfer Mode (VoATM) switched virtual
circuits (SVCs) for the Cisco MC3810 multiservice access concentrator.
This document includes the following sections:
•
Feature Overview, page 1
•
Supported Platforms, page 4
•
Supported Standards, MIBs, and RFCs, page 4
•
Prerequisites, page 4
•
Configuration Tasks, page 5
•
Troubleshooting Voice over ATM SVCs, page 16
•
Monitoring and Maintaining Voice over ATM SVCs, page 19
•
Configuration Examples, page 20
•
Command Reference, page 22
•
Glossary, page 30
Feature Overview
VoATM SVCs allow the Cisco MC3810 to transfer voice data dynamically and as needed—without
tying up the resources required for static, manually provisioned permanent virtual circuits (PVCs).
An SVC connection is initiated for each call, and each request includes bandwidth and
quality-of-service (QoS) information required for the connection. SVCs are ideal for networks that
are highly interconnected, where scalability is essential, and in situations where traffic is sporadic.
In addition, service providers often offer more advantageous, usage-based pricing options for SVCs.
VoATM using SVCs on the Cisco MC3810 includes all of the voice features that the Cisco MC3810
supports for PVCs and for Frame Relay transport. Like other Cisco voice implementations, VoATM
using SVCs is based on dial peers and uses ATM Adaptation Layer 5 (AAL5).
ATM SVC service operates much like X.25 SVC service, although ATM allows much higher
throughput. It requires a signaling protocol between a router or a multiservice access concentrator
and an ATM switch. The ATM signaling software provides a method of dynamically establishing,
maintaining, and clearing ATM connections at the User-Network Interface (UNI). In UNI, the router
serves as the user and the ATM switch is considered the network. The router does not perform
call-level routing. Instead, the ATM switch does the ATM call routing, and the router directs packets
through the resulting circuit.