User manual

LinkMAX

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 HSA300A User Manual

Page 32 of 49

• Modem IP Address

The IP Address for the Ethernet (LAN) port of the modem. This is also

the IP address for connecting web-based configuration. Modem IP

address and IP addresses of computers it connects to should be in the

same subnet. The default value is the modem IP currently in use.

• Subnet Mask

The Subnet Mask for the Ethernet (LAN) port. This field is usually set

to the same value as the subnet mask of the computer modem

connecting. The default value is the modem subnet mask currently in

use.

• VPI / VCI

The VPI (Virtual Path Identifier) and VCI (Virtual Circuit Identifier)

identifies an ATM virtual channel. These values are provided by

Internet service provider for connection between modems and ATM

devices such as DSLAMs.

Click Save to proceed after filling in the required information. The information

is then saved into the modem. See section 6.12 for details.

5.6 Classical IP over ATM (RFC 1577) page

This protocol sends user data in the form of IP packets which is encapsulated

into AAL-5 PDUs for transport over ATM. The fact that the user data is routed

at an IP layer instead of bridged a MAC layer allows the source and

destination to be on different subnets. Like RFC 1483, IPoA provides no

authentication and configuration.

The IPoA configuration page appears as follows: