PIX-501-SW-10-50=
PIX 501 10-TO-50 USER UPGRADE SOFTWARE LICENSE
PI DATE: July 2006 LICENSE TYPE : User License Upgrades UPGRADES FROM : Cisco PIX 501 10-user license support UPGRADES TO : Cisco PIX 501 50-user license support * The Cisco PIX 501 50-user license supports up to 50 concurrent source IP addresses from your internal network to traverse through the Cisco PIX 501 * The integrated DHCP server supports up to 128 DHCP leases * As need grow 50-to-unlimited user upgrade license is also available allowing you to further extend your investment in Cisco PIX 501 equipment