Cisco Switches :: SRW2024 / How To Upgrade Boot And Software Via Telnet
Mar 26, 2013
I HAD similair problem:[URL](Have ver 1.1) Forgot password. Restored to v1.0.0.86 via telnet Been playing around with telnet AND web based updates Read somewhere else (Web-based ONLY works with IE) (Tried Web-based and keep getting "Copy Failed/Undefined Error" and 0 Bytes transfered) Know to upgrade "Boot" first, then "Software Image" THEN reboot
Tried telnet (not through web-based startup) Can get to "lcli" (by Ctrl+Z twice)Retyped Username and Password:
At "console#" tried typing "copy tftp:///srw2024_16_boot-101.rfb boot" didn't work : "Must be valid URL or reserved keyword"
Where am I going wrong?
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Jun 22, 2012
After performing a firmware upgrade on an SG300-20 switch from ver 1.1.0.73 to 1.2.5.70 the switch now boots up with the following error and resets:
30-Aug-2011 10:47:33 %L1Mngr-F-PARAMTOOLONG: csco-sb parameter %s is too long.
The attached file contains a full output of the console boot process. I have tried loading different versions from the console, but all produce the same error.
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Jun 26, 2011
I have a Campus LAN setup which is layed out using Cisco SRW2024 and SGE2000 SB switches. On the LAN we are running various services. These are CCTV, VOIP(SIP), Public Address(multicasting) and Internet hotspots to various locations. I have attached a layout of the setup. A unique VLAN is setup for each of these services.The problem we have is that the PA audio is breaking up at intervals making the output distorted this is also happening for the SIP phones within the facility. Using the user guide we have tried to setup QoS on the system but we seem not to improve the services.
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Jan 28, 2013
I did not know to update the boot software of my SRW2024 first, then update to 1.2.2b.I need to go back to the 1.0.0.86 firmware.
Is it downloadable and will it work (ie work backwards and then do it properly)? I know how to use hyperterminal and the xmodem protocol if need be.
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Oct 6, 2011
I am unable to connect to webview on our SRW2024 switch. I use a macpro G5 running 10.6.8. When i try to connect to it through Safari, Chrome, or Firefox using 192.168.1.254, I receive a message that a connection cannot be established. 192.168.1.254 is the ip mentioned in the manual. I used an ip scanner and it showed the actual ip is 192.168.0.1. But I cannot connect to webview through this ip either. We got this switch a year ago and did not change any settings, we just connected it and it worked fine. But now we want to change some settings on the switch but cannot connect.
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May 10, 2011
Have an SRW2024 that I was updating firmware and it got interrupted. Now I can't access the switch from either console or IP. Switch will not pass traffic. Is there a way to get this switch completely reset so I reconfigure and use it again?
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Jan 24, 2011
Every "once in a while" (about a week with my network load), the SG300 crawls to an almost standstill of all IPv4 activity (haven't got IPv6 enabled here yet, so I can't comment wether this applies to IPv6 as well). It seems pure L2 transmissions is not affected, but L3 definitely is (down to 20mbit as opposed to the 600+ rate I usually get).
Soft-rebooting the switch (via the webgui) useful, and the intervals of the crashes seem related to total bytes transmitted, not time. I have jumbo frames enabled, and disabled flow control on on the switch and all hosts.
Firmware Version is 1.0.0.27, md5 1987292110f5657e74308dde30c03dc4 Boot Version is 1.0.0.4 md5 4c9a0b6a9f1346736646d08ab94ae2ac
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Apr 26, 2011
What kind of cable is required to connect to the Console on a Linksys SRW2024 switch ? ( I've lost the original cable )I use the following settings: Speed 38400, 8 bits, no parity, no flow control and stop bits 1I have tried a serial cable, no go.I have tried a null modem cable with partial handshaking, no go.I have tried a null modem cable with full handshaking, no go.For the null modem cables, if I use it to connect between computers using hyperterminal it works very well. What I type on one computer appears on the other computer's screen.However, I can't get anything out of the switch. I've tried pressing Enter repeatedly, resetting the switch with the Console cable on, etc.
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Jun 29, 2012
I have a pair of ACE 4710s with 12 contexts sharing the load, running A4(2.1). esterday I upgraded one of them to A4(2.3) now I cannot telnet to the Admin context.Pings ok. I can telnet to other contexts on the box and everything seems to be working ok when i do a " sh telnet" comes back with
No Session Information is available
sh telnet maxsessions
telnet maxsessions 16
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Feb 22, 2012
how to upgrade a Cisco Pix 525 boot rom from 4.0 to 4.3. Is it a physical chip or software upgrade? Is it needed to upgrade to latest IOS on Cisco Pix 525 to 8.0. Where can I find more information on it?
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Dec 30, 2011
i upgrade the IOS for switch c2960 and the swtich do not boot from the new image.
-show version
-show boot
-show flash
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Dec 29, 2011
I upgrade the IOS for switch c2960 and the switch do not boot from the new image.See the files attached.
show version
show boot
show flash
There is a mistake with settings?
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Jun 10, 2013
I wanted to upgrade our three WLC 4402 from software version 5.0.148 to 6.0.202.0. The upgrade on the first controller was working. Unfortunately he lost all the local management users and it's MAC filters, but restoring this was not the problem. After upgrading the second controller.... the device does not boot anymore! The alarm led is RED and I don't know what to do. The only way to get connected to the controller is via the console port. There I can see a "parse error" but I don't know if that is the problem. Please look at the "log" attached. I'm not sure if the red alarm led was there before upgrading the controller software because the device is located to another place. I'm really concerned about upgrading the third controller because it's the most important wlc.
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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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May 19, 2012
I have more than 20 SF 300-24P 10/100 Managed Switch switches deployed and running in my office network. All these switches have web configuration utility enabled. We would like to enable telnet too. But for this I know I have to visit site to site, connect the switch manually with a laptop and enable telnet option. I am looking for how can I enable telnet in these switches using web-based switch configuration utility.
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Jan 22, 2008
I am planning to upgrade BootLoader image of 7206VXR router due to booting issue. The router is not booting .But if I go to rommon and give boot it will boot.So I am upgarding my Boot Loader image. Now the Bootloader image and IOS image are exactly same.Can I upgarde the Bootloader image to latest version without upgarding IOS?
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Apr 22, 2013
Due to a problem with POE+ i have tried to upgrade the IOS to Version15.0.2SE2, from 12.2.58. unfortunatly the Switch doesn't boot up anymore. It starts to decompress and install the IOS 2 Times, after the Second try it displays "unable to boot" and the switch goes in Bootloader-mode. When i look at the version i See that bootloader is still the old version 12.2.58. It seems that the bootloader doesn't geht upgraded and that's why the Switch can't Boot the new Image.
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Feb 12, 2011
I've tried to upgrade firmware through chrome, but chrome abruptly shut down during upgrade.Since that, I have not even loggin set-up menu which should be shown up putting 192.168.0.1 to make it back. Amber light is just blinking on Power lamp.
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Jan 14, 2012
I have sf300, i didn't found the option to telnet it. default IP of the switch is 192.168.1.254, i can access it by HTTP.
also i'm not able to attach IP phone on voice vlan & computer on vlan 1 ,please share the step by step guide how to access the switch by telnet.
& how to make voice vlan 2 for IP Phones & Vlan 1 for PC.
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Mar 14, 2011
I can telnet to switch from checkpoint firewall access port and from switch directly. I can ping/traceroute successfully to the switch. Access-lists 14 & 15 are allowing the traffic I want. The router on the other side of the FW has 2 static routes and a default static route set up.
Here is some of the config from my switch:service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryptionhostname xxxxx
enable secret xxxxxx
username xxxxxxxx password xxxxxxxip domain-name xx.xx.netaaa new-model
aaa authentication login default local enable line none[code].....
Not sure of checkpoint firewall config....I have run wireshark when trying to telnet and I get no syn-ack back from remote switch. Just 3 consecutive syn attempts.I have some switches I can connect to and they go right through the 3 way TCP handshake and I cannot find any differences in the configs between the successful connections and the unsuccessful connections.
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Mar 17, 2012
I'm doing some tesing in SFE2000P linksys switch about the TACACS authentication. I have configured the switch accodringly to point my ACS server with key string. Now, I'm able to login into the switch with TACACS account in HTTP/HTTPS only and but, not with the TELNET access.
Still Switch is authenticating with the local user account only, when in TELNET access method.
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Nov 12, 2012
configure Line Telnet on a Cisco SG300-10P switch.I am in config mode and enters line telnet,but when I do a show line,telnet still are disabled..
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May 21, 2012
I have an SG300 authenticating telnet login to a RADIUS server. It allows me to log in at Priv level 1. when I try and enter Priv 15 mode, I'm prompted for a password which I don't appear to be able to set anywhere or know.
If I remove RADIUS and go back to Local authentication, telnet logs me in at Priv15 immediately.
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Apr 29, 2012
We've got a SG200-18 switch that is to be used as a workgroup switch in our environment (SW Version 1.1.1.8). Working with CLI on big and mid-range Cisco-gear over the past two decades I'm having a hard time figuring out the following on the SG200:
o) I want to change the Management-VLAN from the default "1" to the management-VLAN used in our environment. Sure enough I created that vlan in the SG200-config, however when it comes to assigning the management-IP and VLAN for the management interface in the corresponding pulldown under "IPv4 interface -> Management VLAN" the only thing selectable is the default "1". (see screenshots enclosed)So how do I set a management VLAN different from 1?
o) How do I enable telnet/ssh-access to the SG200-18 - I'd be far more comfortable with a CLI-environment?
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Nov 16, 2011
We have recently purchased SG 300-52Port Cisco Switch to support our Network but they constantly having some bizarre issues or I assume bugs, i.e. we cannot Telnet nor SSH to the switch now, whereas we were able to SSH before, we have set them up for Remote Log Services to get some syslogs and reports but no report have been generated nor logs,
I have done some testing through Wireshark and there are absolutely no reports / logs.We have some real issues with this switch and it’s hard to believe that this is a Cisco Product,
SG 300-52 Port Gigabit Managed Switch
Firmware Version (Active Image ) : 1.1.1.8
Firmware Version (Non-active ) : 1.1.0.73
Boot Version : 1.0.0.4
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May 15, 2013
I want to remotely access Cisco 500 switches via TELNET and WEB BASED from a server. I dont know the ip addresses for Cisco 500 switches which are configured as backbone which the ip address assigned on the network is static ip address. Specifically I want to get their configuations inorder to get their specified assigned vlans on the network. I know the ip addresses for their specified cisco 500 switches' gateways. I know that cisco 500 switches can be accesses through web. Is there other ways to solve the problem apart from going onsite and connect to the cisco 500 switches using network cable since cisco 500 swithes dont have console ports?
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Feb 9, 2012
When I came back home today I saw that my SG200-08 switch did not look fine.Basically, the system LED of the switch keeps blinking and end devices connected just don't have any network.I tried to reset the switch with the "reset" button (with a paper clip) the system LED was orange during just a second and then continue to blink.What is wrong with the switch?Is there a way to flash a new firmware and/or to delete the configuration file?
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Sep 16, 2012
I have a sge 2000 24 port POE switch that won't boot, won't communicate on console or TCP/IP, and all of the port lights are lit up green. Holding down the reset button doesn't fix the issue and there aren't any lights illuminated on the left hand side of the switch.
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Apr 11, 2013
I have a SG200-50P. It had a problem with the PoE ports (didn't supply power to my Bosch POE security cameras) so I updated it to the latest firmware. Now it does recognize the cemeras and supplies power to them. However, there are a few problems:
1. The boot time is extremely long, maybe 15-20 minutes for it to become ready. I've tried to reset to factory default settings, push the reset button for 30+ seconds, and disconnect all the ports. The boot time was always very long.
2. Even thought it supplies power to the cameras, the PoE lights on the ports are not lit.
3. The log is filled with this error, posted every second.
21474345202013-Apr-12 11:40:23Alert%HAL_config_poe-A-POEFailDetected: POE ERROR(i2c_read_mem failed addr 0x12e6 dev_num 0 val 0x0) was detected: POE is Disabled untill Reset 21474345212013-Apr-12 11:40:22Alert%HAL_config_poe-A-POEFailDetected: POE ERROR(i2c_read_mem failed addr 0x139c dev_num 0 val 0x0) was detected: POE is Disabled untill Reset
Occasionally it has his error.
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Jan 25, 2013
How do I add network drivers to a wds boot image on 2003R2. I see that 2008 has the add driver option but that doesn't exist in 2003r2.
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Nov 29, 2012
I recently installed a Dell 5324 switch as my main switch and it's my first time using a managed switch at home. One thing I've seen as an issue in a corporate environment, and now here, is that managed switches tend to take a bit longer for a port to be active. Ex: a PC is turned off, I turn it on but if the PC boots up very fast the port may not be ready. All mounts fail. This is the issue I am facing with my HTPC. It runs Linux and has a SSD, and it has no UEFI bios to slow it down (which is good, I hate UEFI for that) so it's up and running within 5-10 seconds of pushing the power button. The network mappings fail because the port is not ready by the time it gets to the script that mounts everything.
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May 2, 2012
i have recently tried to change the catos on a Catalyst 2948G-L3 and since then i have the following message in a loop : [code] I know that the solution would be to download a new valid image from tftp via the common prompt but what i don't undertand is why i cant access the rommon prompt.
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Aug 15, 2012
We have small network with 15 Computers all connected to SRW224G4 . After a power brake our switch dosent "boot" anymore. I see all leds working flashing etc but no network acces, no Serial acces. When i try connecting to serial port and "reset" device the screen is blank.
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