02-28-2009 10:46 AM - edited 03-15-2019 04:32 PM
Dear All,
Can i use 512 MB Compact Flash in 2811 or 2851 router. Please advice.
Awaiting for reply.
Malik.
Solved! Go to Solution.
02-28-2009 11:01 AM
Hi Malik,
From this FAQ:
http://www.cisco.com/en/US/prod/collateral/routers/ps5854/prod_qas0900aecd80169bd6.html
Default memory
Cisco 2800 uses external compact flash memory; Cisco 2801 uses non-error correction code (ECC) synchronous dynamic RAM (SDRAM), and Cisco 2811, 2821, and 2851 use Double Data Rate (DDR) ECC SDRAM
2801
Default and maximum:
⢠64/128-MB compact flash memory
⢠128/384-MB SDRAM
2811
Default and maximum:
⢠64/256-MB compact flash memory
⢠256/768-MB DDR SDRAM with ECC
2821
Default and maximum:
⢠64/256-MB compact flash memory
⢠256-MB and 1-GB DDR SDRAM with ECC
2851
Default and maximum:
⢠64/256-MB compact flash memory
⢠256-MB and 1-GB DDR SDRAM with ECC
Looks like for above a 2801 the maximum is 256 MB.
hth,
nick
02-28-2009 11:03 AM
No, maximum is 256MB. If you insert a 512MB, results are not predictable.
02-28-2009 11:01 AM
Hi Malik,
From this FAQ:
http://www.cisco.com/en/US/prod/collateral/routers/ps5854/prod_qas0900aecd80169bd6.html
Default memory
Cisco 2800 uses external compact flash memory; Cisco 2801 uses non-error correction code (ECC) synchronous dynamic RAM (SDRAM), and Cisco 2811, 2821, and 2851 use Double Data Rate (DDR) ECC SDRAM
2801
Default and maximum:
⢠64/128-MB compact flash memory
⢠128/384-MB SDRAM
2811
Default and maximum:
⢠64/256-MB compact flash memory
⢠256/768-MB DDR SDRAM with ECC
2821
Default and maximum:
⢠64/256-MB compact flash memory
⢠256-MB and 1-GB DDR SDRAM with ECC
2851
Default and maximum:
⢠64/256-MB compact flash memory
⢠256-MB and 1-GB DDR SDRAM with ECC
Looks like for above a 2801 the maximum is 256 MB.
hth,
nick
02-28-2009 11:03 AM
No, maximum is 256MB. If you insert a 512MB, results are not predictable.
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