Cisco IOU IPsec Site to Site VPN with Pre-shared key, RSA Key, or CA Part 1
Cisco IOU IPsec Site to Site VPN R1#sh verCisco IOS Software, Linux Software (I86BI_LINUX-ADVENTERPRISEK9-M), Experimental Version 12.4(20090407:185408) [yuiu-redbuild-V124_24_5_6_PIC1 177]Copyright (c)…