Cisco AS5200 - Universal Access Server Cómo utilizar

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Release Notes for Cisco AS5200 Universal

Access Servers for Cisco IOS Release 11.2 P

March 7, 2002

These release notes for Cisco AS5200 universal access servers support Cisco IOS Release 11.2(26) P.

These release notes are updated to describe new memory requirements, hardware support, software

platform deferrals, and changes to the microcode or modem code and related documents.

For a list of all the software caveats that apply to Cisco IOS Release 11.2(26) P, see Caveats for

Cisco IOS Release 11.2 P that accompanies these release notes. The caveats document is updated for

every maintenance release and is also located on Cisco.com and the Documentation CD-ROM.

Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 11.2 on Cisco.com

and the Documentation CD-ROM.

Contents

These release notes describe the following topics:

•Introduction, page 2

•System Requirements, page 2

•New and Changed Information, page 9

•Important Notes, page 12

•Caveats, page 13

•Related Documentation, page 14

•Obtaining Documentation, page 18

•Obtaining Technical Assistance, page 19

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

Introduction

The Cisco AS5200 universal access server is a multifaceted data communications platform that provides

all the functions of an access server, a router, modems, and terminal adapters (TAs) in a modular chassis.

Mid-sized organizations or service providers requiring centralized processing capabilities for mobile

users and telecommuters will benefit the most using the Cisco AS5200 universal access server.

With its optimization for high-speed modem access, the Cisco AS5200 universal access server is ideally

suited for all traditional dial-up applications, such as host access, electronic mail, file transfer, and

dial-in access to a local area network.

For information on new features and Cisco IOS commands supported by Cisco IOS Release 11.2(26) P,

see the “New and Changed Information” section on page 9 and the “Related Documentation” section on

page 14.

System Requirements

This section describes the system requirements for Cisco IOS Release 11.2 P:

•Memory Recommendations, page 2

•Supported Hardware, page 3

•Determining the Software Version, page 3

•Upgrading to a New Software Release, page 3

•Feature Set Tables, page 4

Memory Recommendations

Table 1 lists the memory recommendations for the Cisco AS5200.

Note Beginning with Cisco IOS Release 10.3, some software image sizes exceed 4 MB and, when

compressed, exceed 2 MB. Also, some systems now require more than 1 MB of main system memory

for data structure tables.

Table 1 Memory Recommendations for the Cisco AS5200

Image Name

Software

Image

Recommended

Flash Memory

Recommended

DRAM Memory

Runs

From1

1. When a system is running from Flash memory, you cannot update the system while it is running. You

must use the Flash memory load helper.

IP c5200-i-l 8 MB 8 MB Flash

IP Plus2

2. IP Plus for the Cisco AS5200 includes protocol translation, MMP, VPDN, V.120, RMON, Managed

Modems, and IBM (if IBM is not already included).

c5200-is-l 8 MB 8 MB Flash

Desktop c5200-d-lt 8 MB 8 MB Flash

Desktop Plus c5200-ds-l 8 MB 8 MB Flash

Enterprise c5200-j-l 16 MB 8 MB Flash

Enterprise Plus c5200-js-l 16 MB 8 MB Flash

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

Supported Hardware

Cisco IOS Release 11.2 P supports the Cisco AS5200. Table 2 lists the interfaces and supported modem

cards.

For detailed descriptions of the new hardware features, see the “New and Changed Information” section

on page 9.

Determining the Software Version

To determine the version of Cisco IOS software running on your Cisco AS5200, log in to the access

server and enter the show version EXEC command:

Router> show version

Cisco Internetwork Operating System Software

IOS (tm) 11.2 P Software (C5200-JS-N), Version 11.2(26) P, RELEASE SOFTWARE

Upgrading to a New Software Release

For general information about upgrading to a new software release, see Upgrading the Cisco IOS

Software Release in Cisco Routers and Modems located at:

http://www.cisco.com/warp/public/620/6.html

Table 2 Supported Interfaces for the Cisco AS5200

Modem Cards And Interfaces Product Description

Modem Cards 56K

V.34 Modems

V.110 terminal adapter (TA)

V.90 modems

Supported LAN/WAN Interfaces Ethernet (AUI)

EIA/TIA-232

X.21

V. 3 5

EIA/TIA-449

EIA-530

ISDN PRI

E1-G.703/G.704

Channelized T1

Channelized E1

Synchronous serial

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

Feature Set Tables

The Cisco IOS software is packaged in feature sets consisting of software images—depending on the

platform. Each feature set contains a specific set of Cisco IOS features.

Caution Cisco IOS images with strong encryption (including, but not limited to 168-bit [3DES] data

encryption feature sets) are subject to United States government export controls and have limited

distribution. Strong encryption images to be installed outside the United States are likely to require

an export license. Customer orders may be denied or subject to delay due to United States

government regulations. When applicable, purchaser/user must obtain local import and use

authorizations for all encryption strengths. Please contact your sales representative or distributor for

more information, or send an e-mail to [email protected].

Table 3 lists the features and feature sets supported by the Cisco AS5200 in Cisco IOS Release 11.2 P

and uses the following conventions:

•No—The feature is not supported in the software image.

•Basic—This feature is offered in the basic feature set.

•Plus—This feature is offered in the Plus feature set, not in the basic feature set.

Note This table might not be cumulative or list all the features in each image. You can find the most current

Cisco IOS documentation on Cisco.com. These electronic documents may contain updates and

modifications made after the hardcopy documents were printed. If you have a Cisco.com login

account, you can find image and release information regarding features prior to

Cisco IOS Release 11.2(26) P by using the Feature Navigator tool at: http://www.cisco.com/go/fn.

Table 3 Feature Sets Supported for the Cisco AS5200

Features

Feature Images by Feature Sets

IP Routing

Desktop

(IP/IPX/AT/DEC) Enterprise1

LAN Support

Apollo Domain No No Basic

AppleTalk 1 and 22No Basic Basic

Banyan VINES No No Basic

Concurrent routing and bridging (CRB) Basic Basic Basic

DECnet IV No Basic Basic

DECnet V No No Basic

GRE Basic Basic Basic

Integrated routing and bridging (IRB)3Basic Basic Basic

IP Basic Basic Basic

LAN extension host Basic Basic Basic

Multiring Basic Basic Basic

Novell IPX4No Basic Basic

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

OSI No No Basic

Source-route bridging (SRB) No No Basic

Transparent and translational bridging Basic Basic Basic

XNS No No Basic

WAN Services

Combinet Packet Protocol (CPP) Basic Basic Basic

Dialer profiles Basic Basic Basic

Frame Relay Basic Basic Basic

Frame Relay SVC Support (DTE) No No Basic

Frame Relay traffic shaping Basic Basic Basic

Half bridge/half router for CPP and PPP Basic Basic Basic

HDLC Basic Basic Basic

IPXWAN 2.0 No Basic Basic

ISDN5Basic Basic Basic

Multichassis Multilink PPP (MMP) Plus Plus Plus

PPP6Basic Basic Basic

SMDS Basic Basic Basic

Switched 56 Basic Basic Basic

Virtual Private dialup Network (VPDN) Plus Plus Plus

X.257Basic Basic Basic

WAN Optimization

Bandwidth-on-demand Basic Basic Basic

Custom and priority queuing Basic Basic Basic

Dial backup Basic Basic Basic

Dial-on-demand Basic Basic Basic

Header8, link, and payload compression9Basic Basic Basic

Snapshot routing Basic Basic Basic

Weighted fair queuing Basic Basic Basic

IP Routing

BGP Basic Basic Basic

BGP410 Basic Basic Basic

EGP Basic Basic Basic

Enhanced IGRP Basic Basic Basic

Enhanced IGRP Optimizations Basic Basic Basic

ES-IS No No Basic

Table 3 Feature Sets Supported for the Cisco AS5200 (continued)

Features

Feature Images by Feature Sets

IP Routing

Desktop

(IP/IPX/AT/DEC) Enterprise1

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

IGRP Basic Basic Basic

IS-IS No No Basic

Named IP Access Control List Basic Basic Basic

Network Address Translation (NAT) Plus Plus Plus

NHRP Basic Basic Basic

On Demand Routing (ODR) Basic Basic Basic

OSPF Basic Basic Basic

OSPF Not-So-Stubby-Areas (NSSA) Basic Basic Basic

OSPF On Demand Circuit (RFC 1793) Basic Basic Basic

PIM Basic Basic Basic

Policy-based routing Basic Basic Basic

RIP Basic Basic Basic

RIP Version 2 Basic Basic Basic

Other Routing

AURP No Basic Basic

IPX RIP No Basic Basic

NLSP No Basic Basic

RTMP No Basic Basic

SMRP No Basic Basic

SRTP No No Basic

Multimedia and Quality of Service

Generic traffic shaping Basic Basic Basic

Random Early Detection (RED) Basic Basic Basic

Resource Reservation Protocol (RSVP) Basic Basic Basic

Management

AutoInstall Basic Basic Basic

Automatic modem configuration Basic Basic Basic

HTTP Server Basic Basic Basic

Modem Management Plus Plus Plus

RMON events and alarms11 Basic Basic Basic

RMON full Plus Plus Plus

SNMP Basic Basic Basic

Telnet Basic Basic Basic

Security

Access lists Basic Basic Basic

Table 3 Feature Sets Supported for the Cisco AS5200 (continued)

Features

Feature Images by Feature Sets

IP Routing

Desktop

(IP/IPX/AT/DEC) Enterprise1

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

Access security Basic Basic Basic

Extended access lists Basic Basic Basic

Kerberized login No No Basic

Kerberos V client support No No Basic

Lock and key Basic Basic Basic

MAC security for hubs Basic Basic Basic

MD5 routing authentication Basic Basic Basic

RADIUS Basic Basic Basic

TACACS+12 Basic Basic Basic

IBM Support (optional)

APPN (optional)2No No No

BAN for SNA Frame Relay support Plus Plus Basic

Bisync Plus Plus Basic

Caching and filtering Plus Plus Basic

DLSw+ 13 Plus Plus Basic

Downstream PU concentration (DSPU) Plus Plus Basic

Frame Relay SNA support (RFC 1490) Plus Plus Basic

Native Client Interface Architecture (NCIA) Server Plus Plus Basic

NetView Native Service Point Plus Plus Basic

QLLC Plus Plus Basic

Response Time Reporter (RTR) Plus Plus Basic

SDLC integration Plus Plus Basic

DLSw (RFC 1795) Plus Plus Basic

SDLC transport (STUN) Plus Plus Basic

SDLC-to-LAN conversion (SDLLC) Plus Plus Basic

SNA and NetBIOS WAN optimization

via local acknowledgment

Plus Plus Basic

SRB/RSRB14 Plus Plus Basic

SRT Plus Plus Basic

TG/COS No No Basic

TN3270 No No Basic

Table 3 Feature Sets Supported for the Cisco AS5200 (continued)

Features

Feature Images by Feature Sets

IP Routing

Desktop

(IP/IPX/AT/DEC) Enterprise1

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

System Requirements

Protocol Translation

LAT No No Basic

Rlogin No No Basic

Remote Node15

ARAP 1.0/2.0 No Basic Basic

Asynchronous master interfaces Basic Basic Basic

AT C P N o B a s i c B a s i c

CPPP Basic Basic Basic

CSLIP Basic Basic Basic

DHCP Basic Basic Basic

IP pooling Basic Basic Basic

IPX and ARAP on virtual async interfaces No No Basic

IPXCP No Basic Basic

MacIP No Basic Basic

NASI No Basic Basic

NetBEUI over PPP No No Basic

SLIP Basic Basic Basic

Terminal Services16

LAT16 No No Basic

Rlogin Basic Basic Basic

Telnet Basic Basic Basic

TN3270 No No Basic

X.25 PAD Basic Basic Basic

Xremote No No Basic

1. Enterprise is available with APPN in a separate feature set. APPN includes APPN Central Registration (CRR) and APPN over

DLSw+.

2. This feature includes AppleTalk load balancing.

3. IRB supports IP, IPX, and AppleTalk; it is supported for transparent bridging, but not for SRB; it is supported on all media-type

interfaces except X.25 and ISDN bridged interfaces; IRB and concurrent routing and bridging (CRB) cannot operate at the same time.

4. The Novell IPX feature includes SAP display by name, IPX Access Control List violation logging, and plain-English IPX access lists.

5. ISDN support includes calling line identification (ANI), X.25 over the B channel, ISDN subaddressing, and applicable WAN

optimization features.

6. PPP includes support for LAN protocols supported by the feature set, address negotiation, PAP and CHAP authentication, PPP

compression, and Multilink PPP.

7. X.25 includes X.25 switching.

8. IPX header compression (RFC 1553) is available in the feature sets that support IPX.

9. X.25 and Frame Relay payload compression are supported.

10. BGP4 includes soft configuration, multipath support, and prefix filtering with inbound route maps.

11. The RMON events and alarms groups are supported on all interfaces. Full RMON support is available with the Plus feature sets.

Table 3 Feature Sets Supported for the Cisco AS5200 (continued)

Features

Feature Images by Feature Sets

IP Routing

Desktop

(IP/IPX/AT/DEC) Enterprise1

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

New and Changed Information

The following sections list the new hardware and software features supported by the Cisco AS5200 for

Cisco IOS Release 11.2 P.

New Hardware and Software Features in Cisco IOS Release 11.2(26) P

There are no new hardware and software features supported by the Cisco AS5200 for

Cisco IOS Release 11.2(26) P.

New Software Features in Cisco IOS Release 11.2(11) P through 11.2(24) P

There are no new software features supported by the Cisco AS5200 for Cisco IOS Release 11.2(11) P

through Cisco IOS Release 11.2(24) P, with the exception of the following:

Bundled Modem Code for the Cisco AS5200

Bundled modem code version 3.3.20 was provided in Cisco IOS Releases 11.2(15) P and 11.2(16) P.

New Software Features in Cisco IOS Release 11.2(10) P

Modem Pooling for the Cisco AS5200

Modem pooling allows service providers to define, select, and use separate pools of modems within a

single access server or router to provide different dial-in services. Modem allocation is based on the

dialed number identification service (DNIS) and a predetermined number of modem ports based on

DNIS.

There are a number of applications for using the call setup information, including DNIS/ANI, processing

incoming call requests with CallerID, and selecting services to set up “automatically” for specified calls.

These uses generally fall into two categories: those requiring allocation of a specific number of modems

for a specific service, and those requiring allocation of specific physical modems.

Note For step-by-step software configuration information, refer to the online feature module Modem

Pooling for the Cisco AS5200, which is part of the online publication Feature Guide for Cisco IOS

Release 11.2 P. For instructions on how to reach this publication via Cisco.com or the Documentation

CD-ROM, refer to the “Related Documentation” section on page 14.

12. TACACS+ Single Connection and TACACS+ SENDAUTH enhancements are supported.

13. Cisco IOS Release 11.2 introduces several DLSw+ enhancements available in the Plus, Plus 40, and Plus 56 feature sets.

14. SRB/RSRB is fast switched. This enhancement is on by default, but can be disabled.

15. Terminal services are supported on access servers (with limited support on router auxiliary ports).

16. Use of LAT requires terminal license (FR-L8-10.X= for an 8-user license or FR-L16-10.X= for a 16-user license).

Release Notes for Cisco AS5200 Universal Access Servers for Cisco IOS Release 11.2 P

78-5214-15 Rev. A0

New and Changed Information

Web Cache Control Protocol for the Cisco AS5200

The Web Cache Control Protocol (WCCP) feature allows you to use a Cisco Cache Engine to handle web

traffic, thus reducing transmission costs and downloading time. This traffic includes user requests to

view pages and graphics on World Wide Web servers, whether internal or external to your network, and

the replies to those requests.

Web caches reduce transmission costs and the amount of time required to download web files. If a client

requests a web page that is already cached, the request and data only have to travel between the Cisco

Cache Engine and the client. Without a web cache, the request and reply must travel over the Internet or

wide-area network.

Cisco IOS support of WCCP provides a transparent web cache solution. Users can benefit from web

proxy caches without having to configure clients to contact a specific proxy server in order to reach web

resources. Many web proxy caches require clients to reach web resources through a specific proxy web

server rather than using the originally requested web server URL. With WCCP, the clients send web

requests to the desired web server URL. Cisco IOS routers intelligently intercept HTTP requests and

transparently redirect them to a Cisco Cache Engine.

Note For step-by-step software configuration information, refer to the online feature module Web Cache

Control Protocol, which is part of the online publication Cisco IOS Release 11.2(10+)P New Feature

Documentation. For instructions on how to reach this publication via Cisco.com or the

Documentation CD-ROM, refer to the “Related Documentation” section on page 14.

Flash Load Helper for the Cisco AS5200

This feature enables you to upgrade the system software on run-from-Flash memory systems that have

a single bank of Flash memory. It is a lower-cost software upgrade solution than dual-bank Flash

memory, which requires two banks of Flash memory on one SIMM.

Flash Load Helper is an automated procedure that reloads the ROM-based image, downloads the

software to Flash memory, and reboots to the system image in Flash memory. Flash Load Helper

performs checks and validations to maximize the success of a Flash memory upgrade and to minimize

the chance of leaving Flash memory either in an erased state or with a file that cannot boot.

Fastboot for the Cisco AS5200

This feature speeds up the boot process by using the system image directly from the system bootstrap

image without accessing the boot image. To enable this feature, perform a write memory by entering the

copy running-config startup-config command when running Cisco IOS Release 11.2(10) P or later.

Note If you run an image earlier than Cisco IOS Release 11.2(7) P or perform a write memory with

Cisco IOS Releases 11.2(7) P to 11.2(9) P, the feature will automatically disable itself.

Bundled Modem Code for the Cisco AS5200

For 56K modems, bundled modem code version 3.1.30 was provided. The modem code filename is:

mcom-modem-code-3.1.30.bin

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