Polycom MGC Administrator, Руководство администратора

Страница: 109 / 584

MGC Administrator’s Guide
3-59
DHCP-Obtain IP
Address
Automatically
(cont.) Although the IP address allocated to the cards rarely
changes, you may prefer not to select this check box
if you need to:
• Establish a static IP address, for example, when
working with a firewall and you need to translate
an internal IP address, that must be static, with an
external one.
•
When dialing in directly to the card, using the
card’s IP address.
Subnet Mask Enter the subnet mask of the MCU’s IP card. If the
DHCP is used, the subnet mask is automatically
retrieved from the DHCP server and cannot be
modified. For more details, see “Subnet Mask” on
page E-2. The detected number appears in the card’s
Properties-Settings-IP Network Parameters dialog
box. For more details, see the MGC Administrator’s
Guide, Chapter 4.
Default Router Enter the IP address of the default router. If the
DHCP is used, the IP address of the default router is
automatically retrieved from the DHCP server and
cannot be modified. The default router is used
whenever the defined static routers (see Static
Routes table below) are not able to route the packet
to its destination. Another use of the default router is
when host access is restricted to one default router. If
there are several routers that are used, add their IP
addresses to the
Static Routes table.
Table 3-15: Settings Dialog Box Options
Field Description