ZyXEL Communications ZyWall ATP series User Manual page 239

Table 98 Configuration > Network > Interface > PPP > Add (continued)
LABEL DESCRIPTION
DUID as MAC Select this if you want the DUID is generated from the interface's default MAC address.
Customized DUID If you want to use a customized DUID, enter it here for the interface.
Enable Rapid Select this to shorten the DHCPv6 message exchange process from four to two steps. This
Commit
function helps reduce heavy network traffic load.
Note: Make sure you also enable this option in the DHCPv6 clients to make rapid
Request Address Select this to get an IPv6 IP address for this interface from the DHCP server. Clear this to not
get any IP address information through DHCPv6.
DHCPv6 Request Use this section to configure DHCPv6 request settings that determine what additional
Options
information to get from the DHCPv6 server.
Add Click this to create an entry in this table. See
information.
Remove Select an entry and click this to delete it from this table.
References Select an entry and click References to open a screen that shows which settings use the
entry. See
Name This field displays the name of the DHCPv6 request object.
Type This field displays the type of the object.
Value This field displays the IPv6 prefix that the Zyxel Device will advertise to its clients.
Interface Parameters
Egress Bandwidth Enter the maximum amount of traffic, in kilobits per second, the Zyxel Device can send
through the interface to the network. Allowed values are 0 - 1048576.
Ingress This is reserved for future use.
Bandwidth
Enter the maximum amount of traffic, in kilobits per second, the Zyxel Device can receive
from the network through the interface. Allowed values are 0 - 1048576.
MTU Maximum Transmission Unit. Type the maximum size of each data packet, in bytes, that can
move through this interface. If a larger packet arrives, the Zyxel Device divides it into smaller
fragments. Allowed values are 576 - 1492. Usually, this value is 1492.
Connectivity Check The interface can regularly check the connection to the gateway you specified to make
sure it is still available. You specify how often the interface checks the connection, how
long to wait for a response before the attempt is a failure, and how many consecutive
failures are required before the Zyxel Device stops routing to the gateway. The Zyxel Device
resumes routing to the gateway the first time the gateway passes the connectivity check.
Enable Select this to turn on the connection check.
Connectivity
Check
Check Method Select the method that the gateway allows.
Select icmp to have the Zyxel Device regularly ping the gateway you specify to make sure
it is still available.
Select tcp to have the Zyxel Device regularly perform a TCP handshake with the gateway
you specify to make sure it is still available.
Check Period Enter the number of seconds between connection check attempts.
Check Timeout Enter the number of seconds to wait for a response before the attempt is a failure.
Check Fail Enter the number of consecutive failures before the Zyxel Device stops routing through the
Tolerance
gateway.
Check Default Select this to use the default gateway for the connectivity check.
Gateway
Chapter 9 Interfaces
commit work.
Section 9.3.4 on page 230
ZyWALL ATP Series User's Guide
239
Section 9.3.6 on page 232
for an example.
for more