Huawei B311-221 Product Description page 15

HUAWEI B311-221 LTE CPE
Product Description
Item
Gateway
VPN client
SMS
Data service
Issue02 (2019-08-15)
Description
Router 



DHCP server



NAT 

ARP
ICMP
IPv4v6 dual stack
IPv6 only (Optional , CLAT for LAN side IPv4 device access Internet)
IPv4 only
When the CLAT function is enabled, the IPv4 device Internet access
service cannot reach the maximum throughput. Under IPv6 only,
NAT-base service (such as port forwarding and port triggering) is not
available.
VPN pass-through

Support L2TP VPN client

Support PPTP VPN client (Optional)
 Writing/sending/receiving

Writing/sending/receiving extra-long messages
 LTE FDD: DL 150Mbps, UL 50Mbps
 DC-HSPA+: DL 42 Mbps, UL 5.76 Mbps
 HSPA+: DL 21 Mbps (64QAM), UL 5.76 Mbps

HSPA: DL 14.4 Mbps, UL 5.76 Mbps
 WCDMA PS: DL 384 Kbps, UL 384 Kbps

EDGE: DL 236.8Kbps, UL 236.8 Kbps

GPRS: DL 85.6 Kbps, UL 85.6 Kbps
WLAN 802.11b/g/n
Supports multi APNs (Optional, one for data, one for voice, and one for
TR-069).
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Supports the default route: 0.0.0.0.
Supports manual configuration of LAN IP addresses.
Supports Address Resolution Protocol (ARP).
The DHCP server can be enabled or disabled.
The address pool of the DHCP server can be
configured.
The lease can be configured.
The DNS relay under the DHCP server can be
enabled.
Supports NAT and NAPT (compliant with
RFC2663, RFC3022, and RFC3027).
Supports cone NAT.
2 Technical Specifications
7