... users.VPNSupport various VPN functions such as IPSec, L2TP and PPTP, which can be used alone or combined; Support dynamic IP ... forwarding17. Support MSN traversal18. Support VPN pass-through of L2TP, PPTP and IPSec SpecificationDescriptionDimensions (H x W x D):440mm×224mm ... , AH, MD5, SHA-1, DES, 3DES, AES, L2TP, PPTP, IPSec over L2TP/PPTP, PPTP/L2TP over IPSec, TFTP, TELNET, SNMP, PPP, DHCP, triggered ...