Mobile IPv6

Device support

As the modem establishes an IP(v4) PDP context with the network, to do IPv6 the modem would need to support it (or use a full PPP context).

Devices which do/don't support an IPv6 PDP type (there are AT commands to query the modem's capabilities):

Huawei E220 (IPv4/PPP)

ATI
Revision: 11.110.01.03.00
+GCAP: +CGSM,+FCLASS,+DS

AT+CGDCONT=?
+CGDCONT: (1-16),"IP",,,(0-1),(0-1)
+CGDCONT: (1-16),"PPP",,,(0-1),(0-1)

ZTE MF627 (IPv4/IPv6/PPP)

ATI
Manufacturer: ZTE INCORPORATED
Model: MF626
Revision: BD_P673M3V1.0.1B02
IMEI: 35806602xxxxxxx
+GCAP: +CGSM,+DS,+ES

AT+CGDCONT=?
+CGDCONT: (1-16),"IP",,,(0-2),(0-3)
+CGDCONT: (1-16),"PPP",,,(0-2),(0-3)
+CGDCONT: (1-16),"IPV6",,,(0-2),(0-3)