Using Ip Address Validation - 3Com 3C840 User Manual

4-12 C 4: C
HAPTER ONFIGURING
Using IP Address
Validation
IP R
OUTING
4 Click Manage in the Framed Routes box.
5 Click Add to define the following parameters:
Gateway (address) — The address of the neighbor router.
I
IP Route
I
Mask — The IP address for the mask.
I
Metric — The maximum number of routers (1-15) through which the
I
data packets must travel before reaching their destination.
6 After you have entered the fields, click Submit.
7 Click Modify to change the fields, the Details button to view the fields,
and the Delete button to erase the parameters you have set.
When IP Source Validation is enabled, the source address of all IP frames
received from a remote site will be validated. A source address is valid if
the OfficeConnect Remote 840 will route an IP frame destined to the
source address on the same interface it came in on.
You need to access the IP Advanced Modify screen, by selecting
Configuration > Remote Sites, selecting a remote site definition, and
click Modify. Then keep clicking Next to advance through the screens
until reaching the IP Advanced Modify screen, which contains the
following fields: