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Cisco 2811 memory question
RickRandhawa
Member Posts: 42 ■■□□□□□□□□
in CCNA & CCENT
The 2811 router comes with 256 DDR ram already installed. Are there any issues with just adding a 512MB chip for a total of 768MB or RAM, or are you not supposed to put two different sized memory sticks in the router?
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mgeorge
Member Posts: 774 ■■■□□□□□□□
Has to be ECC and the same speed. Samsung and Micron work fine in the 2811's but if its not Cisco approved then if you ever open a Cisco TAC case and you submit your "show tech support" they will tell you to remove it or they will not help you.There is no place like 127.0.0.1 -
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yapchinhoong2010
Member Posts: 14 ■□□□□□□□□□
hey Matthew, thanks for lighting me up!
When going through the output of the 'show tech' command, I discovered the 'show c2600' and 'show platform' commands, which solved a problem that bugged me on and off - Determining the Cisco Router Memory Configuration. I wrote a blog post to file this. 
- itcertnotes -: Determining the Cisco Router Memory Configuration