Cyclades-PR2000
Network Protocol (IP) Menu (Continued)
Parameter | Description |
IP MTU | Assigns the size of the Maximum Transmission Unit for the interface. This |
| determines whether or not a given IP datagram is fragmented. |
NAT | Determines the type of IP address if NAT is being used. Use Global otherwise. |
| See chapter 13 or the examples in chapter 4 for details on how to configure NAT. |
ICMP Port | Active causes the router to send ICMP Port Unreachable messages when it |
| receives UDP or TCP messages for ports that are not recognized. This type of |
| message is used by some traceroute applications, and if disabled, the router might |
| not be identified in the traceroute output. However, there are security and |
| performance reasons to leave this option Inactive. |
Incoming Rule List | Filter rule list for incoming packets. See chapter 14 for instructions on how this |
| parameter should be set. |
Detailed Incoming IP | Applies when a list is selected in the previous parameter. See explanation of IP |
Accounting | Accounting later in this chapter. IP Accounting for a rule requires that the |
| parameter CONFIG =>RULES LIST=>IP=>CONFIGURE RULES=>ADD RULE |
| =>ALLOW ACCOUNT PROCESS also be Yes. |
Outgoing Rule List Name | Filter rule list for outgoing packets. See chapter 14 for instructions on how this |
| parameter should be set. |
Detailed Outgoing IP | Applies when a list is selected in the previous parameter. See explanation of |
Accounting | Detailed Incoming IP Accounting. |
Routing of Broadcast | Activating this parameter causes the router to route broadcast messages from the |
Messages | LAN to the WAN and |
| this parameter to Inactive, without effecting the broadcast of messages on the other |
| interfaces. |
Chapter 7 Network Protocols | 50 |