Filter
Top Products
5 Parameter Settings
EchoLife HG612 FTTC VDSL NTE
User Guide
5-10
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Issue 01 (2009-05-15)
Table 5-8 Dynamic routing parameters
Parameter Description
Operation It specifies the direction of transmitting RIP information.
Version It specifies the RIP version supported by the HG612.
5.7 Configuring the Firewall
Function
The firewall can prevent unauthorized access to the WAN interface of the HG612. The
firewall function, however, is valid only when the HG612 works in routing mode.
Path
Choose Advanced > Firewall.
Parameter Description
Table 5-9 describes firewall parameters.
Table 5-9 Firewall parameters
Parameter Description
Firewall level It specifies the level of the firewall.
Operation It specifies whether to enable the firewall function.
Note
You can select one of the following five types of firewall: MAC filtering, IP filtering,
Application filtering, DoS attack, and ACL.
5.8 Configuring the NAT
Function
The NAT is a technology used to translate internal private network addresses into legal
network IP addresses. The NAT technology solves the problem of IP address shortage,
and guarantees the network security by isolating internal networks from external
networks. Internal network addresses are used within a network and translated through
the NAT into legal IP addresses for the use on the Internet. During the translation, the
address field in each IP packet is replaced by a legal IP address. NAT rules are defined to