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Siemens SpeedStream 5450 User Manual

Page 56

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5450 Four-Port Router User’s Guide

Configuring Advanced Features

9.

If you selected This IP Address, enter an IP address in the IP Address field and do one of the
following:

• Enter a netmask in the Netmask field.
• Select or Host to use your router netmask as the source netmask.

10. Under

the

Destination heading, select a network connection from the Network Interface drop-down

menu.

11. Select one of the following options:

Any IP Address

Select this option if this rule applies to any IP address of the destination.

This IP Address

Select this option if a rule applies to a specific IP address of the destination.

12. If you selected This IP Address, enter an IP address in the IP Address field and do one of the

following:

• Enter a netmask in the Netmask field.
• Select or Host to use your router netmask as the destination netmask.

13. Click

Next. This displays the “Protocol Definition” window.

14. Do one of the following:

• Select one of the following protocol options from the Select by Name drop-down menu. This

defines the types of packets filtered.

− Any

Protocol

− TCP (Transmission Control Protocol):

Provides reliable, sequenced, and unduplicated delivery of bytes to remote or local users.
Click Next to display the “

TCP/UDP Options

” window.

− UDP (User Datagram Protocol):

Provides for the exchange of datagrams without acknowledgement or guaranteed delivery.
Click Next to display the “

TCP/UDP Options

” window.

ICMP (Internet Control Message Protocol):

A mechanism that provides for peer communication. The most commonly used application for
this protocol is the PING command. Click Next to display the “

ICMP Options

” window.

GRE (Generic Routing Encapsulation):

A tunneling protocol that is used primarily for VPN (Virtual Private Networks).

• Type a protocol number in the Select by Number field.

15. Click

Finish.

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