We have Stack  WS-C3750X-24T-S swiches 1-4 running on 12.2(55)SE3 version. Due to  recommendation need to upgrade on new version, so we plan to upgrading existing ios to c3750e-universalk9-mz.152-4.E6.bin.  But new ios size in 25 MB and our flash as ...

ASA-SSM-AIP-20-K9    With ASA 5540  supported , Hardware:   ASA5540, 1024 MB RAM, CPU Pentium 4 2000 MHz Internal ATA Compact Flash, 256MB BIOS Flash M50FW080 @ 0xffe00000, 1024KB   current signature version S947 ....        

How to the upgrade P2P link with existing device Cisco 1905 

Hi, how to communication from ipv4 to ipv6 ......... ipv4 to ipv6 nat  static and dynamic example...

%ENVMON-3-FAN_FAILED: Fan is malfunctioning