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AI296 Version 9.8x User’s Guide
Link Configuration: General PPP Properties Configuration
6-44
Maximum Unit Settings
Description
The maximum unit settings are configured using two menu items:
z Maximum receive unit (MRU)—Defines the maximum number of bytes that can be
received in a single packet.
z Maximum transmit unit (MTU)—Defines the maximum number of bytes that can be
transmitted in a single packet.
Note: During LCP negotiations on a PPP link, AI296 will advertise the MRU
configured by the user. If the peer negotiates its MRU with AI296, then the
MTU on the AI296 side will be set to the peer’s MRU. If the peer does not
negotiate its MRU, then the MTU on the AI296 side will be set to the value
configured by the user.
Menu Item Type
Data
Link Type Availability
AsyncPPP and SyncPPP
Configuration in the AI198 Menu System
1. Do one of the following:
z For an asynchronous PPP link, access Menu 4.2.11.12-2.2.
z For a synchronous PPP link, access Menu 4.2.11.12.8.
2. For
05 Maximum Receive Unit, enter 5, and the byte value. The defaults are 1518 for
network control protocol
BCP and 1500 for network control protocol IPCP.
3. For
06 Maximum Transmit Unit, enter 6, and the byte value. The defaults are 1518 for
network control protocol
BCP and 1500 for network control protocol IPCP.
This example displays
05 Maximum Receive Unit set to 1000 and 06 Maximum Transmit Unit
set to 900.
>6,900
Menu 4.2.11.12.8
01*Network Control Protocol (IPCP, BCP)------------------------------------ BCP
02 Local IP Address---------------------------------------------000.000.000.000
03 Remote IP Address--------------------------------------------000.000.000.000
04 Subnet Mask--------------------------------------------------255.255.255.240
05 Maximum Receive Unit (128-1568)-----------------------------------------1000
06 Maximum Transmit Unit (64-1600)-----------------------------------------0900