VPN Compatibility with iPhone (3,3GS and 4)
iPhone doesn’t run on pure L2TP or pure IPSEC. iPhone only runs on PPTP and L2TP over IPSEC
Router Model iPhone version Firmware version PPTP L2TP/IPSEC Comments
2710 iPhone 3/3GS 3.3.6.1 RC2a YES YES
iPhone 4
2820 IPPBX iPhone 3/3GS 3.5.5.1 YES NO
iPhone 4 YES NO
2910 iPhone 3/3GS (with OS4) 3.2.5.1 YES YES VPN does not work on OS 3, suggest upgrade to OS4
iPhone 4
2110 iPhone 3/3GS 3.3.6 beta /3.3.5.1 YES
iPhone 4
2130 iPhone 3/3GS 1.5.0.1 YES Need to enable MPPE option on the 2130. Otherwise, disable iPhone encryption and disable MPPE on the 2130.(iPhone default is auto encryption , and 2130 default is disable MPPE)
iPhone 4
2920 iPhone 3/3GS 3.2.5 we have issue:
*iphone with L2TP over IPSec :
2920(phase I/II)support the encryption of AES 256
iPhone 4
2930 iPhone 3/3GS Works with latest beta (1/18/11) Works with latest beta (1/18/11)
iPhone 4
2950 iPhone 3/3GS Works with latest beta (1/18/11) Works with latest beta (1/18/11)
iPhone 4
3200 iPhone 3/3GS 3.3.7 YES NO For PPTP, you need to select “Auto” Encryption level on iPhone.
iPhone 4 YES NO For PPTP, you need to select “Auto” Encryption level on iPhone.