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Table Of Contents
Release Notes for Cisco 7000 Family NPE-G1 ROMmon
Open Caveats for NPE-G1 ROMmon
Resolved Caveats for NPE-G1 ROMmon
Obtaining Technical Assistance
Release Notes for Cisco 7000 Family NPE-G1 ROMmon
September 15, 2003
These release notes for the Cisco 7000 family describe the current changes to the NPE-G1 ROMmon Image.
This document contains the following sections:
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NPE-G1
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NPE-G1
The NPE-G1 is the first network processing engine for the Cisco 7200 VXR routers to provide the functionality of both a network processing engine and I/O controller. If used without an I/O controller, an I/O blank panel must be in place.
While its design provides I/O controller functionality, it can also work with any I/O controller supported in the Cisco 7200 VXR routers. The NPE-G1, when installed with an I/O controller, provides the primary input/out functionality; that is, the NPE-G1 input/out functionality enhances that of the existing I/O controller. However, when both the I/O controller and NPE-G1 are present, the functionality of the auxiliary port and console port are on the I/O controller.
The NPE-G1 maintains and executes the system management functions for the Cisco 7200 VXR routers and also holds the system memory and environmental monitoring functions.
The NPE-G1 consists of one board with multiple interfaces. It is keyed so that it can be used only in the Cisco 7200 VXR routers.
Caveats
The following sections contain caveat information:
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Open Caveats for NPE-G1 ROMmon
This section documents possible unexpected behavior by NPE G1 ROMmon:
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Issuing "continue" in ROMmon prompt after a send-break sequence sometimes does not switch back to IOS. Instead, it displays TLB or other crash exceptions and continues to stay in ROMmon. User needs to issue a "reset" and reboot IOS.
Normally, if the system is configured to allow send-break for debugging purpose. A send-break sequence will switch from IOS to ROMmon. While in ROMmon, issuing "continue" will switch back to IOS. This caveat requires user to reboot to go back to IOS.
Workaround: Issue "reset" to reset and reboot IOS.
Resolved Caveats for NPE-G1 ROMmon
All the caveats listed in this section are resolved for NPE-G1 ROMmon:
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Send-break can not be disabled to prevent IOS dropping to ROMmon via CLI "no service password-recovery".
Workaround: Disable send-break via CLI "config-register".
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Issuing a break sequence on the console port fails to drop the router back to ROMMON. This affects both ROMMON and IOS. This means that password recovery will not work.
This only affects NPE-G1 on C7200 platforms.
Workaround: If you issue a break sequence several times while the boothelper image is decompressing, you can force the NPE-G1 back to ROMMON.
For example:
epping_2001#reloadProceed with reload? [confirm]00:01:21: %SYS-5-RELOAD: Reload requestedSystem Bootstrap, Version 12.2(8r)B, RELEASE SOFTWARE (fc1)TAC Support: http://www.cisco.com/tacCopyright (c) 2002 by cisco Systems, Inc.C7200 platform with 524288 Kbytes of main memorySelf decompressing the image : ##############################telnet> send brk######################################################################################################################################################################################################################################################################################### [OK]telnet> send brktelnet> send brk%PLATFORM-4-NOCPUVER: Invalid CPU ID, assuming revision 1*** System received an abort due to Break Key ***signal= 0x3, code= 0x0, context= 0x60e2eef0PC = 0x605f3ebc, SP = 0x60e3eac8, RA = 0x605f4050Cause Reg = 0xffffffff, Status Reg = 0x3400e103rommon 1 >•
ROMMON on a 7200 with NPE-G1 may go into loop when IOS crashes.
There are no known workarounds.
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A 64-MB Translational Bridging (TLB) page size is not supported on a Network Processing Engine G1 (NPE-G1) that is installed in a Cisco 7200 series router, which may cause the router to fail to boot the Cisco IOS software, or if it does boot up, to produce "insufficient memory" errors, or to reload.
This problem is observed only on a Cisco 7200 series router that is configured with an NPE-G1. Other NPEs work fine.
There are no known workarounds.
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Router will constantly cycle during bootup with boot statement pointing to image on disk0: and no disk is in the location specified.
Workaround: Using the no service config command will allow the router to bootup successfully with no disk0: present in the chassis.
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The NPE-G1 may break into ROMMON or boot-mode when boot up, but this problem is very rare case.
There are no known workarounds, but it can be recovered by reload.
Obtaining Documentation
The following sections explain how to obtain documentation from Cisco Systems.
World Wide Web
You can access the most current Cisco documentation on the World Wide Web at the following URL:
Translated documentation is available at the following URL:
http://www.cisco.com/public/countries_languages.shtml
Documentation CD-ROM
Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM package, which is shipped with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or through an annual subscription.
Ordering Documentation
Cisco documentation is available in the following ways:
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http://www.cisco.com/cgi-bin/order/order_root.pl
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http://www.cisco.com/go/subscription
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Documentation Feedback
If you are reading Cisco product documentation on Cisco.com, you can submit technical comments electronically. Click the Fax or Email option under "Leave Feedback" at the bottom of the Cisco Documentation home page.
You can e-mail your comments to bug-doc@cisco.com.
To submit your comments by mail, use the response card behind the front cover of your document, or write to the following address:
Cisco Systems
Attn: Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools by using the Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access to the technical support resources on the Cisco TAC Web Site.
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information, networking solutions, services, programs, and resources at any time, from anywhere in the world.
Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides a broad range of features and services to help you to
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You can self-register on Cisco.com to obtain customized information and service. To access Cisco.com, go to the following URL:
Technical Assistance Center
The Cisco TAC is available to all customers who need technical assistance with a Cisco product, technology, or solution. Two types of support are available through the Cisco TAC: the Cisco TAC Web Site and the Cisco TAC Escalation Center.
Inquiries to Cisco TAC are categorized according to the urgency of the issue:
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Which Cisco TAC resource you choose is based on the priority of the problem and the conditions of service contracts, when applicable.
Cisco TAC Web Site
The Cisco TAC Web Site allows you to resolve P3 and P4 issues yourself, saving both cost and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To access the Cisco TAC Web Site, go to the following URL:
All customers, partners, and resellers who have a valid Cisco services contract have complete access to the technical support resources on the Cisco TAC Web Site. The Cisco TAC Web Site requires a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to the following URL to register:
http://www.cisco.com/register/
If you cannot resolve your technical issues by using the Cisco TAC Web Site, and you are a Cisco.com registered, you can open a case online by using the TAC Case Open tool at the following URL:
http://www.cisco.com/tac/caseopen
If you have Internet access, it is recommended that you open P3 and P4 cases through the Cisco TAC Web Site.
Cisco TAC Escalation Center
The Cisco TAC Escalation Center addresses issues that are classified as priority level 1 or priority level 2; these classifications are assigned when severe network degradation significantly impacts business operations. When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer will automatically open a case.
To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to the following URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
Before calling, please check with your network operations center to determine the level of Cisco support services to which your company is entitled; for example, SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). In addition, please have available your service agreement number and your product serial number.
Posted: Wed Jan 11 15:50:35 PST 2006
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