Catalyst 3550: Loading IOS via TFTP from ROMmon?
Hi everybody,
I need to load an IOS from ROMmon-mode to a Catalyst 3550.
Of cause I could do that via xmodem but I thought it should also be possible via TFTP.
What I did:
switch: IP_ADDRESS=192.168.1.1
switch: IP_SUBNET_MASK=255.255.255.0
switch: TFTP_SERVER=192.168.1.2
switch: TFTP_FILE=c3550-ipservicesk9-mz.122-35.SE5.bin
switch: DEFAULT_GATEWAY=192.168.1.1
switch: set
BOOT=tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin
DEFAULT_GATEWAY=192.168.1.1
IP_ADDRESS=192.168.1.1
IP_SUBNET_MASK=255.255.255.0
MAC_ADDR=00:0F:90:7F:B1:00
MODEL_NUM=WS-C3550-48-SMI
MODEL_REVISION_NUM=L0
MOTHERBOARD_ASSEMBLY_NUM=73-5701-09
MOTHERBOARD_REVISION_NUM=A0
MOTHERBOARD_SERIAL_NUM=CAT08130PUT
POWER_SUPPLY_PART_NUM=34-0967-02
POWER_SUPPLY_SERIAL_NUM=DTH08094HH7
SYSTEM_SERIAL_NUM=CAT0813Z29A
TFTP_FILE=c3550-ipservicesk9-mz.122-35.SE5.bin
TFTP_SERVER=192.168.1.2
switch: boot tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin
Loading "tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin"...tftp://192.168.1.2/c35 50-ipservicesk9-mz.122-35.SE5.bin: permission denied
Error loading "tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin"
Interrupt within 5 seconds to abort boot process.
Boot process failed...
switch: boot
Loading "tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin"...tftp://192.168.1.2/c35 50-ipservicesk9-mz.122-35.SE5.bin: permission denied
Error loading "tftp://192.168.1.2/c3550-ipservicesk9-mz.122-35.SE5.bin"
Interrupt within 5 seconds to abort boot process.
Boot process failed...
Am I doing something wrong or is it generally impossible to load an IOS via TFTP to a 3550?
Thanks in advance
Rolf
I am pretty sure you can't boot from a TFTP server with the Catalyst 3550 (or any of the other standalone access switches - 2950, 3550, 3560 3750 etc). If you want to recover one you need to recover it using XModem via the console:
http://www.cisco.com/en/US/products/hw/switches/ps628/products_tech_note09186a0080169696.shtml
I used to think you had to do this at 9600-baud, however you can increase the baudrate and it only takes 10-20 minutes (I couldn't get 115200 to work but 57600 worked OK and took about 20-minutes).
You need to remember to put the baud rate back to 9600 when the image is back on as it gets stored in NVRAM and reboots etc are at the stored speed (i.e. changing it after it has booted under the line con 0 doesn't get saved to NVRAM).
HTH
Andy
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Hello !!
We have a Switch Catalyst 3550 - 12G
IOS : Version 12.2(25)SEA
I need to implement ACL security in VLAN's. But, it did't work.
VLAN 11 Definition :
interface Vlan11
description VLAN - RED WAN
ip address 192.168.21.1 255.255.255.0
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Inter VLAN communication are ok.
Any Suggest ?
.... Switch Conf. attach
Tks.
John Nanez E.Try putting on the SVI for vlan 11 (interface vlan 11) . don't think you can put it on a individual interface and have it work . Also they way you wrote it you'll have to put it as out on the vlan because you are permitting a address from another network to the vlan 11 address space thus it would have to block the traffic "out" to the devices on vlan 11 .
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The following Knowledge Base article offers up some great information for your particular message:
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I get this error upon bootup of my 3640 router.
"%SYS-3-IMAGE_TOO_BIG: 'flash:c3640-is-mz.122-34.bin' is too large for available memory (10590520 bytes).boot
of "c3640-is-mz.122-34.bin" using boot helper "flash:c3640-is-mz.122-34.bin" failed
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I have this boot statement:
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System flash directory:
File Length Name/status
1 11336892 c3640-is-mz.122-34.bin
[11336956 bytes used, 4915968 available, 16252924 total]
16384K bytes of processor board System flash (Read/Write)
Like I said, router boots fine but what does this error mean?
*I also get this upon boot*
Smart Init is disabled. IOMEM set to: 10
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However...........upon bootup the router is trying to load "call rsvp-sync" and "dial-peer cor custom"
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3640-IS-M), Version 12.1(27b), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Tue 16-Aug-05 23:45 by pwade
Image text-base: 0x60008940, data-base: 0x60DF0000
cisco 3640 (R4700) processor (revision 0x00) with 45056K/4096K bytes of memory.
Processor board ID 29401551
R4700 CPU at 100Mhz, Implementation 33, Rev 1.0
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
2 Ethernet/IEEE 802.3 interface(s)
1 FastEthernet/IEEE 802.3 interface(s)
4 Serial network interface(s)
DRAM configuration is 64 bits wide with parity disabled.
125K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
call rsvp-sync
^
% Invalid input detected at '^' marker.
dial-peer cor custom
^
% Invalid input detected at '^' marker.
Press RETURN to get started!
How do I stop this???
Upon bootup I receive this message too.
program load complete, entry point: 0x80008000, size: 0x81c7a4
Self decompressing the image : ##############################################################################
###################################################################################################### [OK]
PassedPassedPassedPassed
%SYS-4-CONFIG_NEWER: Configuration from version 12.2 may not be correctly understood
%SYS-6-BOOT_MESSAGES: Messages above this line are from the boot loader.
program load complete, entry point: 0x80008000, size: 0x81c7a4
Self decompressing the image : ############################################################################## [OK]
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boot system flash c3640-is-mz.121-27b.bin
output of show ver:
router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3640-IS-M), Version 12.1(27b), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Tue 16-Aug-05 23:45 by pwade
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System image file is "flash:c3640-is-mz.121-27b.bin"
cisco 3640 (R4700) processor (revision 0x00) with 45056K/4096K bytes of memory.
Processor board ID 29401551
R4700 CPU at 100Mhz, Implementation 33, Rev 1.0
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
2 Ethernet/IEEE 802.3 interface(s)
1 FastEthernet/IEEE 802.3 interface(s)
4 Serial network interface(s)
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125K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
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File Length Name/status
1 8505536 c3640-is-mz.121-27b.bin
[8505600 bytes used, 8271616 available, 16777216 total]
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Hi,
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Hi everyone.
I`m new to this and could do with some advise.
I`ve got a iPhone 4s 32gb. I`ve had it for 2 years and it`s always worked perfect.
I recently loaded ios 8.01 on to it and not long after it lost Wi-Fi. And it would only work on Wi-Fi if the battery was above 60%.
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many thanks for your time.I found that I was unable to update to iOS8.1 - essentially it seemed that I didn't have enough memory on the phone, but in trying to download the update it filled all the available memeory (d'uh Apple ... why not check before downloading??? ). Thus, when I tried updating via iTunes, iTunes wouldn't update the phone either because there was not enough memory. Eventually the phone was nearly bricked - it would not start without being connected to iTunes and I had to restore it. That took 6 attempts because the download from Apple seem to cut out. Finally on the last attempt the phone was updated, then I did a restore from a backup in iTunes. The only residual problem is that phone won't back up now into iTunes because it disconnects.
Deeply unimpressed with Apple's updating process now. It's reminiscent of Windows updates in the bad old days.
FWIW the 4S does sputter a little under iOS 8, but it is fine mostly. -
Hi,
I am testing on lab equipment (2 Catalyst 3550 and 1 Catalyst 3560) HSRP version 1 and 2.
I successfully created a load balancing between the two Catalyst 3550 on a couple of vlans (11 and 12) on ver 1
now, just adding the command "standby xx version 2" my hosts on the 2 vlans are completely unable to ping the virtual IP def. gw
on debugging i checked that
hello msgs are exchanged
the two cat 3550 are seeing each other on HSRP (active / standby roles)
the real ip addresses are pingable
rebooted the swiches (just as a last resort try)
deleted arp chache on hosts
removed the auth on hsrp
all of this no effect...
i also tried to modify the priority on the cat 3560 (before he was on both vlans in standby) to make it the active one and with the same config it worked flawlessly...
My only idea is that there is a bug on CATs 3550 (IOS: c3550-ipservicesk9-mz.122-55.SE4.bin)
configs:
SW-3550-A
interface Vlan11
ip address 12.0.0.2 255.255.255.0
standby version 2
standby 11 ip 12.0.0.1
standby 11 priority 150
standby 11 preempt
standby 11 authentication md5 key-string LAB
SW-3550-B
interface Vlan11
ip address 12.0.0.3 255.255.255.0
standby version 2
standby 11 ip 12.0.0.1
standby 11 preempt
standby 11 authentication md5 key-string LAB
SW-3550-A#sh standby
Vlan11 - Group 11 (version 2)
State is Active
16 state changes, last state change 00:18:08
Virtual IP address is 12.0.0.1
Active virtual MAC address is 0000.0c9f.f00b
Local virtual MAC address is 0000.0c9f.f00b (v2 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 2.560 secs
Authentication MD5, key-string
Preemption enabled
Active router is local
Standby router is 12.0.0.3, priority 100 (expires in 8.976 sec)
Priority 150 (configured 150)
Group name is "hsrp-Vl11-11" (default)
SW-3550-B#sh standby
Vlan11 - Group 11 (version 2)
State is Standby
10 state changes, last state change 00:17:18
Virtual IP address is 12.0.0.1
Active virtual MAC address is 0000.0c9f.f00b
Local virtual MAC address is 0000.0c9f.f00b (v2 default)
Hello time 3 sec, hold time 10 sec
Next hello sent in 2.208 secs
Authentication MD5, key-string
Preemption enabled
Active router is 12.0.0.2, priority 150 (expires in 9.616 sec)
MAC address is 000a.8a28.ea80
Standby router is local
Priority 100 (default 100)
Group name is "hsrp-Vl11-11" (default)
Any suggestion is appreciatedd and...thank you all in advance!Thank you for your answer,
i have tried with groups 1 & 2 and 11 & 12
VLAN
GRP
SW-3550-A
SW-3550-B
11
11
ACTIVE
STANDBY
12
12
STANDBY
ACTIVE
VLAN
GRP
SW-3550-A
SW-3550-B
11
1
ACTIVE
STANDBY
12
2
STANDBY
ACTIVE
I also tried to have just 1 group (1 or 11) and avoid a load-balance on hosts: same results.
UPDATE:
Tried with a couple of 1841: everything is working fine
tried changing 3550s hsrpv2 groups to higher values (like 1111 & 1112 instead of 1 & 2) : no way
still on the idea that is a 3550s bug... -
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My iPad won't sink with my computer. I continually receive this message: "iTunes was unable to load data class information from Sync Services. Reconnect or try again later." I have tried this over a number of days and receive the same message. Any suggestions??
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http://support.apple.com/kb/HT1386
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http://www.apple.com/support/ipad/syncing/
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http://support.apple.com/kb/ht1351
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