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Upgrade IOS on Router 851

RegionDist19
Level 1
Level 1

I would like to update the IOS on my router 851, if it needs it but I'm having trouble determining the latest version.  The unit is running 12.3(8r)YI4.  The latest appears to be 12.3.8-YI2.  This is confusing because it appears to be a step back.  Or can I install a version 12.4?  Thanks.

2 Replies 2

Leo Laohoo
Hall of Fame
Hall of Fame

Or can I install a version 12.4?

Depends if you have enough DRAM and flash.

I figured it out.  I had 12.4(15)T5 originally installed and I upgraded to 12.4(15)T14 without issue.  Thanks.

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