In IOS boot sequence if the flash is erased, and there is
no access to TFTP server, and we can't load the partial IOS
from ROM. Is there any possiblity that we can still boot
the router/switch from external PC in which the IOS is
installed?
Answers were Sorted based on User's Feedback
Answer / jitendera sinha
i am not confrim it is wright or not but letme try amd let
me know i am wright or wrong
1 downlaod a softwair based tfftp server on your computer
like TFTPD32 tftp server
2 downlaod the ios image from internet or if you have
3 pweron the switch
4 press the key break
5 load the downladed ios in that tftp server
6 load that ios from tftp to routr or switches
Follow this procedure if you want to upgrade cisco IOS
NOTE :- Before doing any upgrades plesae take a complete
backup of your cisco device configuration for safer side
Download the Correct version of Cisco IOS for you from here
http://www.cisco.com/tacpage/sw-center/index.shtml
Write Unsaved configurations
ciscorouter# write memory
Building configuration…
[OK]
Check space on Flash Memory
ciscorouter# show flash
Make sure you have the space left on your cisco device.
Backup Startup Configuration
Setup a TFTP server in the same IP range as the Cisco
device to backup the configs, IOS image and also for later
to upload the new IOS image.
testrouter# copy startup-config tftp
Address or name of remote host []? 10.10.10.2
Destination filename [startup-config]?
!!
1278 bytes c opied in 0.100 secs
Backup Current IOS Image
testrouter# copy flash: tftp:
Source filename []? xxxxx-xx-xx.121-x.XB
Address or name of remote host []? 10.10.10.2
Destination filename [xxxxx-xx-xx.121-x.XB]?
Now, Load the new IOS image from the TFTP onto the flash
ciscorouter#copy tftp: flash:
Address or name of remote host []? 10.10.10.2
Source filename []? c3560-ipbasek9-mz.122-40.SE.bin
Destination filename [c3560-ipbasek9-mz.122-40.SE.bin]?
Accessing tftp://10.10.10.2/c3560-ipbasek9-mz.122-40.SE.bin…
Loading c3560-ipbasek9-mz.122-40.SE.bin from 10.10.10.2
(via
Vlan1): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!
[OK - 8295106 bytes]
8295106 bytes copied in 124.571 secs (66589 bytes/sec)
Now you need to make sure you are booting with the correct
version of IOS image for this you need to use the following
command to set.
testrouter(config)#boot system flash:/c3560-ipbasek9-mz.122-
40.SE.bin
Now you need to reload the Cisco Router
testrouter# reload
After rebooting cisco device with the new Cisco IOS image
you need to make sure this use the following command
testrouter# sh ver
That’s it now we are using the latest IOS on your cisco
device
i donot know it will work or not but try it
try it till then any of the best answer
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / jitendera sinah
http://www.informit.com/library/content.aspx?
b=CCIE_Practical_Studies_I&seqNum=22
go throug tha link
first time i got a good problem i have uploaded many time
ios but never found that type of problem if you find the
soln then plz make the answer.i am waitng of that answer
disspretly
thanks
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / arbazahmad
well the ios can also be loaded into the switch without
the use of tftp server by "xmodem"
go thru this link--
http://www.cisco.com/en/US/products/hw/routers/ps259/product
s_tech_note09186a008015bfac.shtml
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / s.m.feroz ahmed
Hi,
1) IOS is an operating system installed on Router.
2) Flash is a startup and running configuration on IOS
3) TFTP is a freeware one can install anytime.
If Flash is deleted one can restart router by restarting
while restarting press Pause|Break it will take to router
IOS mode copy the startup configuration to TFTP server and
try to do changes and restart router and you are into
router config .
| Is This Answer Correct ? | 0 Yes | 1 No |
. Which command sequence will allow only traffic from network 185.64.0.0 to enter interface s0? A. access-list 25 permit 185.64.0.0 255.255.0.0 int s0 ; ip access-list 25 out B. access-list 25 permit 185.64.0.0 255.255.0.0 int s0 ; ip access-group 25 out C. access-list 25 permit 185.64.0.0 0.0.255.255 int s0 ; ip access-list 25 in D. access-list 25 permit 185.64.0.0 0.0.255.255 int s0 ; ip access-group 25 in
ccna syallabus and what is the mean by troubble shooting
When editing a line in the CLI mode, what does 'CTRL-A' do? A.) Moves you to the previous command. B.) Moves you to the next word. C.) Moves you to the end of the line. D.) Moves you to the next command. E.) Moves you to the beginning of the line.
Which command should you use to confound a router so that it can become a TFTP server host for a router system image that is run in a Flash? A. copy flash tftp B. config tftp server C. write, network -router name- D. tftp-server system -file name- E. setup server tftp -system name-
What is the difference between ‘bit rate’ and ‘baud rate’?
Describe ICMP messages
CO is an acronym for which of the following? A.) Central Office B.) Capital Office C.) Central Operator D.) Company Office
Which command we use for ping in ipv6?
Which of the following is a valid extended IP access-list? A.) router(config)# access-list 101 permit tcp host 172.16.30.0 any eq 21 log B.) router# access-list 101 permit tcp host 172.16.30.0 any eq 21 log C.) router(config)# access-list 101 permit any any 172.16.30.0 D.) router(config)# access-list 101 permit ip host 172.16.30.0 any eq 21 log
Explain the terms unicast, multicast, broadcast and multicast.
What is the Cisco name for the encapsulation type used on a serial interface? A. HDLC B. SDLC C. SAP D. SNAP
Identify the administrative distance and appropriate routing protocol? A.) RIP = 255, IGRP = 100 B.) RIP = 100, IGRP = 120 C.) RIP = 1, IGRP = 0 D.) RIP = 120, IGRP = 100