Cisco :: Command For Switches For Multiple Boots

Apr 16, 2012

I'm finding some odd information from Cisco pages and non-Cisco pages also. What is the correct syntax for specifying boot images on a flash:/ of a switch? The differences is if you need the "/" or not as well as after the ";" fo you need to specify flash again.

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Cisco Switches :: Sge2010p Software Upgrade Switch Always Boots

Aug 6, 2011

I have just downloaded new software for sge2010p. I had tried to made an upgrade on some switches, but switches still boot with the old software.I have installed software 3.0.0.18 and boot  2.0.0.03. I have downloaded software 3.0.1 from cisco, put it on tftp and started an upgrade via switch web interface.  I have checked that the active image is set to 1, and started the upgrade.Switch has downloaded soft from tftp, and reported that process has been finished without errors.After the restart switch have 3.0.0.18 software again.  I have try to do this same on 4 different switches working in L3 and L2 mode - always with the same effect.Should I upgrade  both images in the same time to get this work?

 I have noticed, that the new firmware is located on image 2.

# show bootvar
Image  Filename   Version     Date                    Status
-----  ---------  ---------   ---------------------   -----------
1      image-1    3.0.0.18    08-Nov-2009  16:21:37   Active
2      image-2    3.0.1.0     19-May-2011  13:05:53   Not active*
[Code] ...
 
So I try to set active image via console command:
# boot system image-2
 
and again...
a# show bootvar
Image  Filename   Version     Date                    Status
-----  ---------  ---------   ---------------------   -----------
1      image-1    3.0.0.18    08-Nov-2009  16:21:37   Active*
2      image-2    3.0.1.0     19-May-2011  13:05:53   Not active

"*" designates that the image was selected for the next boot
 
Finally i have tried to set the active image to "2" using console menu: I have set it like this:
 
                                 Active Image
                                 ============
  
Unit ID                 Active Image            Active Image after Reset
=======                 ============            ========================
1                       Image 1                 Image 2
 
and save..
[Code]

Where is the right place to set active image for 2. Is the "active image" settings only sets the firmware image which switch uses  or configuration files too?

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Sep 20, 2012

we just received 5 new SF200-48 Smart Switches for small business. I noticed only way I can configure them is by using the web gui. Is there a way to enable good old CLI?

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Jul 17, 2012

I was looking for configuring QOS for two VLANS i have created. these will be for voice traffic vlan 22 and video traffic vlan23. i also have three other vlans for pc's, wireless devices and our cnc machines. we have 5 switches that are all SG30028P's with a single switch doing the intervlan routing (operating at layer 3). all of the switches are trunked back to the main switch and ive been through the guide written on how to do this on a single switch which i dont think is layer 3.

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Aug 20, 2012

I'm going to have several SG300-28P switches to setup.  I'll need to create multiple vlans for data, voice, and wireless traffic.  I have the following questions in setting up this configuration:
 
VLAN 1 Management
VLAN 100 Data
VLAN 200 Wireless
VLAN 300 Voice 
 
1) For managing the switches via IP, will LAN1 be the default management network?  Should I create a seperate VLAN for managing the switches?
 
2) For uplinking the switches together, I plan to trunk a port to connect the switches together.  What's the configuration on the trunk port to forward all vlans from one switch to another?
 
3) On some ports, I want to configure a trunk for two vlans (Data and Voice) where the phone has a pass through for PC.  The phone supports tagging for the PC and the VoIP traffic.  For example on port 10, would VLAN 100 and 300 be set to tagged?

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Jan 29, 2011

I want to setup an home network with a wireless router and use multiple switches for wired connections through out my home. I currently have an Airport extreme hooked up to a cable modem and a leviton gateway hooked up to the Airport. The 2 computers connected to the Leviton are on a windows 7 homegroup and share fine, but won't share or discover any wireless device connected to Airport. My main goal is to have a wireless/wired network with all computers sharing information with each other. I want 2-3 wired switches/gateways with a min of 2 devices connected to each, connected to my wireless router whiich is connected to cable modem.

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Cisco Switches :: SG300-52 Multiple Lags Between Switches?

Jan 19, 2012

I'm having alot of trouble trying to connect more that one LAG between two SG300-52 switches.Basically i have configured both switches with the same vlans. For 2 of the vlans i would like to connect them together between the two switches using LAG. Switch1 has Vlan 5 (ports 1-12) & Vlan 10 (Ports 25-36) with LAG configured on ports 1-2 and ports 25-26. I have setup the second switch identical to the first. But when i connect the LAG's there is no connectivty. If i disconnect one LAG the other starts working.Can you only have i interconnect LAG between switches?

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Jul 21, 2012

My internet router acts as an IGMP Proxy for the LAN and distributes IPTV there. The router is connected to one of my three SG 300 10 Cisco switches (connected to one another via uplink port). Now I want all switches to send multicast traffic to only the recipients of such traffic (PCs with VLC and Network Media Players) connected to either one of them. How do I have to configure the switches to do so and not flood the LAN with multicast traffic, is it enough to enable IGMP Snooping on each switch?

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Cisco Switches :: SG 300 Command Line Setup?

Aug 13, 2011

Im trying to get my head around my new cisco SG 300 switch.  I have used the Linksys SRW range before and configured it using teraterm and method described in the link below:
 
[URL]
 
As im fimilar with this method and the commands ideally I'd like to use this on the SG 300 range as well.  Failing that, is it possible to use another method which uses the same commands which can be easily copy and pasted for setting up multiple switches with the configuration?

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Cisco WAN :: 887VA-K9 Boots Only To ROMmon?

May 9, 2013

I have an 887VA-K9 which boots into ROMMON mode every time. It seems to have 3 tries at booting, then fails.
 
The entire console output from power-on is (blank lines removed):
 
System Bootstrap, Version 12.4(22r)YB5, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 2009 by cisco Systems, Inc.

[Code].....

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Feb 5, 2012

I am trouble shooting a SF 200-48P and I am a bit lost without a CLI not used to the GUI. What I need to know is how to add the IP address helper command to the switch?I have a number of IP phones which are not getting an IP address from DHCP (PCs which are diasy chained off the phones are all working correctly). On the higher end switches I would have added the IP address helper command to the VLAN and that would have sorted it. How to do this on the small business switch.

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Feb 8, 2013

What does "ip routing" do on the CLI on the SG300? When I do this, I see it enables ip forwarding, but there is no mention of this in the CLI manual.  I'm just trying to figure out what I would use this for, and if I should leave it enabled, or disable it. I have several different SG300 switches in L3 mode, and they are set up in a multi-vlan environment...

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May 9, 2011

Our cisco asa 5510 getting sometimes boot and sometimes not. sometimes LED on port comes back if boot and sometimes not. what are the parameter should be check to rectify problem.

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Cisco WAN :: 1841 Cold Always Boots To ROMmon?

Mar 4, 2012

we have 55 of the 1841 routers here, and one of them always boots to ROMMON from a very cold (down 1 hour or more) start.  The image on all 55 is c1841-ipbasek9-mz.124-24.T4.bin.  32 MB Cisco brand flash.  Here's what's been done thus far:In ROMMON changed to 0x2102.  Then 'reset' and the image boots fine.  Change config-reg to 0x2102.  Save config.  Reload and image boots fine again.  Wait an hour or more and boots to ROMMON.Boot from ROMMON to USBflash0:   Format the CF then copy over the bin file.  Change to 0x2102 and save. Reload and image boots fine again. Wait an hour or more and boots to ROMMON.Swapped CF with another unit.  Again, works fine to reload, but shut down and restart an hour or more later and boots to ROMMON.  Format this CF and copy over image while on router.  Image boots fine.  Wait an hour or more and boots to ROMMON.In each case of very cold start the configuration register has reverted to 0x0 {why it boots to ROMMON}Tried dx mode with 0x8001.  Nothing seen that is unusual to me, but I'm not an expert by any means.It doesn't seem to a CF card problem, but could be a connection to the CF card and then something behind that.
 
Here is the output of diagnostic boot mode:
 
Cisco 1841 (revision 7.0) with 116736K/14336K bytes of memory.
Processor board ID FTX1231W0JA
2 FastEthernet interfaces
2 Low-speed serial(sync/async) interfaces
DRAM configuration is 64 bits wide with parity disabled.
191K bytes of NVRAM.

[code].....

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Jul 17, 2012

I have a lightweight AP that boots into RoMmon, if i hold the reset button in for 10 seconds or so it will boot into the IOS and download the config from the controller but never registers. then once i reboot it it goes back to Romon unless i hold in the button again.

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Aug 25, 2011

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Internet Drops When Desktop Boots?

May 26, 2011

Internet connection fails when desktop boots?I have a wireless internet router/modem. Netgear.The internet works fine via wireless for laptops, phones etc.Until i boot my desktop up that is connected via cable to the router it then drops the internet connection.The network is still showing as active but local only.If i open a browser it tells me that it cannot resolve the DNS server.if i switch the desktop off and reconnect the laptop it works.So its not the laptop or the router i have used a few different cables all the same.I'm using XP on desktop fairly fresh install with AVG antivirus and not much else on it but i have had the internet working since install so its some setting somewhere thats changed or needs setting up again.

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Feb 3, 2013

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Dec 8, 2011

Base ethernet MAC Address: 00:0a:b7:07:35:80Xmodem file system is available. The system has been interrupted prior to initializing theflash filesystem.  The following commands will initialize the flash filesystem, and finish loading the operating system software:  

flash_init    load_helper    boot switch: flash_initInitializing Flash...flashfs[0]: 3 files, 1 directoriesflashfs[0]: 0 orphaned files, 0 orphaned directoriesflashfs[0]: Total bytes: 3612672flashfs[0]: Bytes used: 1815040flashfs[0]: Bytes available: 1797632flashfs[0]: flashfs fsck took 3 seconds....done Initializing Flash.Boot Sector Filesystem (bs:) installed, fsid: 3Parameter Block Filesystem (pb:) installed, fsid: 4ô

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Dec 27, 2012

Got a long lingering, year long issue that has spanned about 8 supervisor cards and a complete chassis swap. The 6509 acts as a ITN in our facility. The active sup card at random points of pipe usage boots into rommon mode, seriously inhibiting our company. I'm able to swap the 2 fiber pairs that we had going into the active supervisor card into the secondary and usually this works for another random amount of time, however, today it occured within minutes of hooking up the fiber links. Sitting there for about 5 minutes it booted into ROMMON. When this happens, I'm able to boot the sup card back to good status. Previous remedial actions, other than replacing sup cards/chassis, was checking the config register and making sure it was x2102. Previously, it was not, and we corrected and reloaded and it took, we thought this would fix the problem, until today.

[code]....

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Apr 3, 2013

I was in the process of recovering a password on a nexus 5548 swith when it finally gets in to the boot mode.I think i lost all my bootloader code.How do i get it back on the switch
 
loader> load n5000-uk9.5.0.3.N2.1.bin
 
Error 27: Unrecognized command
 
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Oct 24, 2012

I'm fairly new to networking and need to migrate an old core to a new core. I have a 6509-e Switch that I had an RMA on one of my 720 sup cards. After receiving the sup card I swapped my slave out with the new one, expecting it to boot into ios. It booted into Roman. I tried to boot the image manually and it did the same thing. I also tried to boot from my flash and, again, booted into ROMmon.
 
Question: If i configure and change the boot to boot from image it tells me i need to reset or power cycle first. Will this reset the entire switch? As this is production I'd rather not.
  
I am at home now, but I can supply any logs/hardware model/configs tomorrow. I thought I would see if this is an easy fix.

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What is the command switch (the letter/s that you use with sign after the command) that can be used for displaying the per protocol statistics with the above command

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[code]...

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Jun 22, 2011

I am having problems accomplishing these tasks with my new SG 200-18.
 
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Jun 21, 2011

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192.168.1.x default
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The .1 is exclusively for my test-lab servers.
 
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The .20 is general test-lab production worstations
 
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[code]...

But If I connect the DHCP server on a trunked switch port and adapt the DHCP server gateway 172.16.0.1 to 172.16.0.254, hosts receive ip address properly.I have to connect the DHCP server directly to the router. How can I do that, what is wrong in the configuration?

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