Huawei Technologies Proprietary
27
z
NAT: Network Address Translation (NAT) is a method
by which hosts in a private network domain are
allowed simultaneous access to hosts in the external
network transparently using a single registered
address.
z
Firewall:
The Firewall enables you to protect the
system against denial of service (DoS) attacks and
other types of malicious accesses to your LAN.
z
VPI&VCI:
If prompted to change the VPI or VCI values,
type in the values given by your service provider. You may
just use the default settings. See the attached table for all
the VPI&VCI default values of PVCs.
z
QoS:
You can select UBR, CBR and VBR from the
drop-down list, but it is suggested to leave the default
values if you are unsure or the ISP did not provide this
information.
z
PCR&SCR:
Do not change the PCR or SCR values unless
you are required to do so. If prompted to change these,
type in the values given by your service provider.
z
Encapsulation:
The Encapsulation values LLC (SNAP)
and VC (MUX) are two different methods for encapsulating
the PPP packet. Contact your ISP to make sure the
supported encapsulation.
z
Username & Password:
Type the username and
password to verify your identity. Typically, the username is
an account assigned by your ISP. For most users, the
remaining settings should not be changed. See your ISP
for further information.