Cisco Infrastructure :: 2851 Router Not Boot From CF
Nov 12, 2012
I recently obtained a 2851 and have been battling this issue for a week now. An odd set of circumstances happen with the bootstrap startup process. If the router has loss of power or when reloaded; it fails to read the CF card and boots to rommon. I can tftp an image to it (tftpdnld -r) and IOS CAN read the flash card along with any saved configuration.In fact once in IOS, I can wr mem and print the hardware details of the CF card. Once I reload the router it goes to rommon, fails to open the flash, then sits until i tftp the image back. When the router load IOS, it also loads the startup config.I don't think it's a problem with the CF card as IOS can read it. I've tried formatting the card from IOS and from my pc as FAT, FAT16, FAT32, and NTFS - it didn't make a different. I updated the ROMMON to allow for USB booting but haven't purchased a USB Drive yet for testing. The upgrade didn't resolve this issue either. It almost seems like a firmware problem with the EPROM.
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Oct 17, 2012
I have a 2851 and a 1841 both serving as hub routers in a GRE multipoint configuration. They are both receiving buffer misses and failures on startup. I will post the output of show buffers below:
LAB-HUB-RTR#show buffers
Buffer elements:
607 in free list (500 max allowed)
9071 hits, 0 misses, 618 created
Public buffer pools:
Small buffers, 104 bytes (total 71, permanent 50, peak 71 @ 00:11:33):
68 in free list (20 min, 150 max allowed)
7083 hits, 74 misses, 0 trims, 21 created
55 failures (0 no memory)
[code]....
I have tried increasing the small/medium buffers initial size and permanent size, however there is no change. The buffer failures for small and medium buffers are always around this many every boot.I have also changed the IOS versions between 12.4.24(T4) to 15.1 with no luck in stopping the failures.
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Dec 20, 2011
We want to get MIB files for snmp v2 from Cisco 2851 Router running with IOS below,
c2800nm-advsecurityk9-mz.124-15.T7.bin
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Sep 24, 2012
I recently received these routers and after the first reboot I changed the user id and password so it does not lock out...After configuring my routers for installation, upon bootup I am getting this message scroll down my screen
monitor: command "
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May 10, 2011
we have a Cisco 2851 router and bought the following IOS::
System image file is "flash:c2800nm-spservicesk9-mz.124-25d.bin"
Cisco IOS Software, 2800 Software (C2800NM-SPSERVICESK9-M), Version 12.4(25d), RELEASE SOFTWARE (fc1)
I thought this version was supposed to have IPv6 support?
TEST(config)#ipv6 unicast-routing ^% Invalid input detected at '^' marker.
TEST(config)#
which IOS should we buy?
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Sep 26, 2011
How do I upgrade the boot rom version on the 7200 router? I am running IOS Version 12.4(22)T and when I plug in the serial ds3 card in my router it keeps rebooting with a watch dog error ( see below). Also, what version should I upgrade to?
Router#sh verCisco IOS Software, 7200 Software (C7200-SPSERVICESK9-M), Version 12.4(22)T, RELEASE SOFTWARE (fc1)Technical Support: [URL] Copyright (c) 1986-2008 by Cisco Systems, Inc.Compiled Fri 10-Oct-08 10:10 by prod_rel_team
ROM: System Bootstrap, Version 12.2(4r)B, RELEASE SOFTWARE (fc1)BOOTLDR: 7200 Software (C7200-BOOT-M), Version 12.0(13)S, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
Router uptime is 0 minutesSystem returned to ROM by power-onSystem image file is "sup-slot0:/c7200-spservicesk9-mz.124-22.T.bin"
[code]....
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Jan 12, 2013
I have a cisco1841 router with 32M CF card installed.Now , i want boot a system image larger 32M from usbdisk.First i insert the 128M usb flash disk to the 1841 router and format it, then i can see the device from dir command.Second copy the larger ios image from tftp to the usb disk and successed,i can see the image with " dir usbflash0:" command.Third i use this command "boot system " ,but there is no selection of "usbflash0: " Does the cisco 1841 router boot the system image from usb disk when reboot the router.
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Jul 17, 2012
I'm trying to get a spare Sup. V engine module operational in a 4507E and get the above message when it try to boots. I am not aware if this spare had been used in production before. [code]
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Aug 25, 2012
I have been experiencing a strange problem i have a switch stack of 3750 in which 4 switches are cascaded. there is one one switch shows PROVISIONED status when I run "show switch". i have verified the stack cable connectivity its OK.
now when i try to console that particular switch i am unable to access it as well. I tried to reboot that switch and on reboot it only shows one LED syst blink once and after that remains constant and nothing happens to other LEDS. from the back of the switch FAN is working fine.
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Jan 31, 2012
We have Cisco router 2851 and asa firewall. We configured on he router for IP phones and ISP connected. The ISP directly connected on the router and asa firewall connected to the router. We have plan to configure VPN on the router. We have available public ip address. if i configure the VPN on the firewall we need to configure firewall local ip address to public ip address. SO how to configure firewall local ip to public ip ? Where we can configure , mean on the router or firewall. Firewall and router configuration.
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Jan 23, 2013
Is the 2851 router meet these requirements ? if no. What is the must specific series of the routers suitable for this requirement:
1. Comprehensive interface range supporting T1/E1, NxT1/E1, FE, and High-Speed WAN .
2. Wide array of Layer 2 access protocols including Frame Relay, Ethernet, and PPP/HDLC .
3. Rich and granular QOS and instrumentation for prioritizing mission-critical traffic such as voice .
4. A modular platform with a broad range of interface options.
5. Network Address Translation (NAT), and IP Sec .
6. Four (4) auto sensing LAN Ports (10/100/1000) Mbps built-in routed ports.
7. WAN Interface Slots (4-6 option Slots) .
8. WAN Interface Modules (2xT1/2xE1/2xSerial/2xFE/DS3).
9. Memory (512/1024 MB DRAM) .
10. Built in redundancy (Power Supply) .
11. Two (2) Integrated GE ports with copper and fiber support .
12. Support for a Small form-Factor Plugged ( SFP) port for GE.
13. Support Network Timing Protocol (NTP).
14. Security: On-board encryption Support of up to 2500 VPN tunnels with the AIM-HPII-PLUS Module Antivirus defense support through Network Admission Control (NAC) many more essential security features .
15. Voice : Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 240 IP phones.
16. Performance : Up to 1GB DRAM Up to 1GB Flash The maximum transmission unit (MTU) Up to 9576 bytes Throughput up to 1.2 Gbit/s .
17. 110/220 volts.
18. Warranty certified by Sis 98 or by OEM (original equipment manufacturer) .
19. Up to 115.2 Kbps for Console/Aux port with DDR capability.
20. Supports IPv6
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Nov 15, 2012
I am using a 2851 router in mpls network. We had a power shut down activity recently and post to that i could not find any logs in the router.
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Jan 15, 2013
[URL]I ran across this on the cisco site and I wondering if it was possiable with two 2851's? The part that is most interesting to me is this part of the config (this looks like what allows the use of the y-cable)
redundancy
#
mode y-cable
how to have a redundant border router with a T1
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Sep 4, 2012
Network newbie here asking an embarrassing question on logging We have a Cisco router with the following IOS version. I want to enable logging; so do I need to configure event-log enable before adding the following logging configuration?
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Apr 26, 2011
One of our client has a Cisco IOS router 2851 with Zone Based Firewalls, enabled.
We tried to configure the router to receive the logs and we receive it in the following format:
<189>45: *Apr 11 11:22:14.757: %SYS-5-CONFIG_I: Configured from console by vty0 (10.151.xxx.xxx)<190>46: *Apr 11 11:23:13.109: %FW-6-DROP_PKT: Dropping tcp session 10.151.xxx.xxx:1908 212.58.xxx.xxx:80 due to RST inside current window with ip ident 0<189>47: *Apr 11 11:38:02: %SYS-5-CONFIG_I: Configured from console by vty0 (10.151.xxx.xxx)<190>48: *Apr 11 11:40:57: %FW-6-DROP_PKT: Dropping tcp session 10.151.xxx.xxx:2062 74.115.xxx.xxx:80 on zone-pair Outbound class CMAP_Inspect_Out due to Stray Segment with ip ident 0
However, we support the following format:
<190>3711348: 3711346: Jul 23 15:29:xxx.xxx IST: %FW-6-SESS_AUDIT_TRAIL_START: Start https session: initiator (172.16.14.71:2721) -- responder (132.183.xxx.xxx:443)<190>3711349: 3711347: Jul 23 15:29:59.465 IST: %FW-6-DROP_PKT: Dropping Other session 65.209.xxx.xxx:2721 132.183.106.17:443 due to RST inside current window with ip ident 49293 tcpflags 0x5014 seq.no 1653005683 ack 1796295020<190>3711350: 3711348: Jul 23 15:30:04.377 IST: %FW-6-SESS_AUDIT_TRAIL: Stop https session: initiator (172.16.xxx.xxx:2721) sent 807 bytes -- responder (132.183.xxx.xxx:443) sent 2062 bytes
What are the exact steps required to recieve the above format? If the logging needs to be enabled on Access Lists, need exact commands, from the console config mode?
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Jan 30, 2013
I'm just wondering if there is any documentation that confirms if the 2 built-in Gigabit ports on a Cisco 2851 router support (or otherwise) auto-mdix.I can find information for the modules but not the 2 built-in ports.
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Mar 5, 2011
i have 2851 router and it is hanging when i login on it while it is hanging it gives me the following error message: [code]
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May 28, 2012
We have Cisco 2851 Router part code CISCO2851-SEC/K9 facing issue while set peer configuration, issue description below.
Issue:We are facing the problem while configuring set peer as when we try to this we face error like 'unable to set peer.maximum numbwe of peer (40)exceeded'
We suspected the IOS issue hence we have gone for IOS upgrade for this Router but this error is still coming while configuring set peer.
Previous IOS: c2800nm-advsecurityk9-mz.124-15.T7.bin New IOS:c2800nm-advsecurityk9-mz.124-24.T7.bin
We are attaching here the snap shot of error that is coming while configuring the Router with set peer command along with show tech of the Router to understand this case brief.
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Aug 16, 2011
Cisco Router 2851 connected with one ISP using 2 serials. the case is :
1)s0/0/1.1 is the only utilized and s0/0/0.1 utilization is zero. 2)when shutting down s0/0/1.1 : the other ,not utalized, link work perfect and forward all the traffic.
Attached the configuration file with output of show interfaces command.
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Dec 29, 2012
I have a Cisco 2851 router and need an additional gigabit Ethernet port. How to get the part number I need to order?
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May 25, 2011
I am having a setup with a 2851 router & websense url filtering server where I need to forward the traffic to websense server for all the internet requests. The http traffic is getting filtered properly, but the https traffic is not getting filtered. The two commands I ahev given for http & http are as follows: ip inspect name test http urlfilter ip inspect name test https.
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Feb 24, 2012
I have a problem with 1841 router - It wont't boot up and there is a message
Correcting primary nv_flash
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Jul 27, 2011
I have a 2621 router, because I want an image of about 21M, I upgraded as follows:
IOS = 32M
RAM = 64M
ROM VERSION = 12.2
However, when I power up my router, it goes into a boot loop, and I see the following messages:
NOT ENOUGH MEMORY IN THE SYSTEM TO RUN THIS IMAGE
***SYSTEM RECEIVED A SOFTWARE FORCED CRASH***
how to overcome this error, and successfully upgrade, so I could load my new image?
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Feb 13, 2013
Cisco router 3945 when unpacked from the box and powered on , it was not able to find boot loader image and booted in ROMMON mode. tried to boot from the external flash and tftp but still not able to.
We replaced router chassis 2 times and both the times faced the same problem.
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Jul 4, 2011
Getting message, cannot open "flash:" on 1841 evdo router, how do I reinstall flash? I am currently consoled into the router, the prompt is coming up as rommon 1>
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Nov 27, 2011
I've got a 2621XM that has not been used for a while.Completely stripped of any modules and configuration files, the router will continually cycle the startup process without actually booting from the IOS.
The cycle displays the following :
System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
Copyright (c) 2003 by cisco Systems, Inc.
program load complete, entry point: 0x80008000, size: 0x10034ec
What I've tried:
1) Downloading another IOS image (c2600-is-mz.123-20.bin) via Xmodem and running "confreg 0x2102" from the rommon. All that did is change the last message to "program load complete, entry point: 0x80008000, size: 0x10fa95c"
2) Running the command "boot flash:c2600-is-mz.123-20.bin". If I enable the diagnostics via rommon, the cycle expands to:
System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
Copyright (c) 2003 by cisco Systems, Inc.
program load complete, entry point: 0x80008000, size: 0x10fa95c
Testing lower main memory - data equals address
Testing lower main memory - checkerboard
[code]....
If it wasn't for the lack of error messages, I would assume it was a hardware issue.If the image was corrupted, I would expect a message indicating that the image couldn't be read.
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Mar 11, 2011
I've had a Belkin N+ wireless router for about 5 months. I reset the router recently (using the reset option on the router itself) and now it doesn't boot up. The lights at the front flash as if its going through its boot sequence but it never stops. I left it for 2 hours while I went out and when I came back it was still going through the boot sequence.
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May 16, 2011
My 851W will not complete the boot up process, here is the output during bootup(c) of the Commercial Computer Software - RestrictedRights clause at FAR sec. 52.227-19 and subparagraph(c) (1) (ii) of the Rights in Technical Data and ComputerSoftware clause at DFARS sec. 252.227-7013. Cisco IOS Software, C850 Software (C850-ADVSECURITYK9-M), Version 12.4(15)T14, RELEASE SOFTWARE (fc2)Technical Support: [URL] Copyright (c) 1986-2010 by Cisco Systems, Inc.Compiled Wed 18-Aug-10 02:37 by prod_rel_teamImage text-base: 0x8002007C, data-base: 0x814ECE54This product contains cryptographic features and is subject to UnitedStates and local country laws governing import, export, transfer anduse. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption.Importers, exporters, distributors and users are responsible for compliance with U.S. and local country laws. By using this product you agree to comply with applicable laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately.
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Jan 12, 2011
I've inherited a 7206VXR router and it takes very long to boot. It outputs READonly ROMMON initialized to the console and 14 minutes later it continues the boot process. After 17+ minutes the boot is complete with the correct full image. The processing engine I have is the NPE-G1 and I'm looking for an upgradeable ROMMON image or a reason why the boot is taking this long.
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May 30, 2012
What would happen if I installed a 32MB (MEM870-32F=) flash upgrade card in to a Cisco 871 router that already had 28MB flash on-board already? Would the router boot seeing 52MB (the max this router can have) or would it fail completely since the combined total would be over 52MB?
I know you can get a 24MB upgrade card but they are quite expensive.
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Jan 20, 2011
I have a 2 computers connected to a Linksys BEFSR41 router which is connected to a Verizon Westell DSL/Cable modem. From time to time the Ethernet link between the modem and the router spontaneously disconnects. I can reconnect the link by going to the setup menu on the router with a browser @ 192.168.1.1 Sometimes I have to do an ipconfig/release and renew to fix the link. Sometimes I have to power cycle the PC and the modem and the router.Currently this disconnect problem has gotten much worse. It occurs about every 15-20 minutes while I'm connected to the net. It also occurs when either computer is booted or turned off (I see the link light on both the modem and the router flash red for a moment).
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Sep 8, 2012
We have owned a this router for nearly a year now, and recently it has been acting up.Today I added a static connection or something of the like for my Xbox, with the correct ip gateway and subnet mask. Since the restart it has never stopped cycling the boot sequence without end. The download lights cycle and the router light flashes constantly. And I am unable to connect to the router page at 192.168.2.1 So I cannot reset the router, the hardware reset button just momentarily pauses the endless booting process.
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Feb 15, 2012
We have a Cisco 2851 router that crashes every night. Below is the 'show log' output. The provider is telling us that it is our equipment. We have replaced the router and still have the same problem. Is it our equipment or the provider?
Feb 15 19:29:43: %BGP-5-ADJCHANGE: neighbor x.x.x.x Down Interface flap
Feb 15 19:29:43: %BGP_SESSION-5-ADJCHANGE: neighbor x.x.x.x IPv4 Unicast topology base removed from session Interface flap
Feb 15 19:29:44: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0:0, changed state to down
Feb 15 22:34:13: %CONTROLLER-5-UPDOWN: Controller T1 0/0/0, changed state to down (LOS detected)
Feb 15 22:34:15: %LINK-3-UPDOWN: Interface Serial0/0/0:0, changed state to down
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