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sitgFlag for Iceland asked on

upgrade the ios with Cisco 1841 IOS 12.4 18LD Advanced Enterprise software

Hi,
I need to upgrade my Cisco router 1841 ios with upgrade the ios with Cisco 1841 IOS 12.4 18LD Advanced Enterprise,  here is my router ram status
Router#show memory summary
                Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
Processor   625D9F00    77750528    15227408    62523120    61861496    60002260
      I/O   E7000000    16777216     4399336    12377880    12377880    12377852

I have two questions
1. is the router ram enough for upgrade ios
2. plz give me the full steps to upgrade the router IOS


Thanks and Regards,
Naresh



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rduconsulting

8/22/2022 - Mon
karwak

Could you pls. post  the output of 'sh ver'? You may want to remove your serial#...
ASKER
sitg

Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.4(1c)
Cisco 1841 (revision 6.0) with 114688K/16384K bytes of memory.
Processor board ID ************
2 FastEthernet interfaces
1 Serial(sync/async) interface
1 ISDN Basic Rate interface
DRAM configuration is 64 bits wide with parity disabled.
191K bytes of NVRAM.
31488K bytes of ATA CompactFlash (Read/Write)
ASKER CERTIFIED SOLUTION
rduconsulting

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ASKER
sitg

if i update the than should i need to reconfigure the router or it will no effect on setting

Naresh
 
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James Murphy
rduconsulting

No, configurations should be fine.  This is not a huge jump in IOS ... Same basic code, with some additional features.

ASKER
sitg

I just need to required the adtion vpn function with new IOS
rduconsulting

right .. that should not be a problem.
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