DSL-514 ADSL Router User’s Guide
PPP
PPPis configured as a group of software settings associated with the ADSL port. Although the device has only one physical ADSL port, the Router can be defined with more than one group of PPP settings. Each group of settings is called a PPP interface and is given a name, such as
Advanced＞PPP＞PPP Configuration
Session Name: This field allows the user to enter his/her own session Name to distinguish different session for different PPP accounts and different PVCs.
PVC: This field allows the user to choose the specific PVC for PPP session.
MRU: Maximum Receive Unit indicates the peer of PPP connection the maximum size of the
PPPinformation field this device can be received. The default value is 1492 and is used in the beginning of the PPP negotiation. In the normal negotiation, the peer will accept this MRU and will not send packet with information field larger than this value.
MTU: Maximum Transmission Unit indicates the network stack of any packet is larger than this value will be fragmented before the transmission. During the PPP negotiation, the peer of the
PPPconnections will indicates it’s MRU and will be accepted. The actual MTU of the PPP connection will indicates its MRU and will be accepted. The actual MTU of the PPP connection will be set to the smaller one of MTU and the peer's MRU. The default is value 1492
MSS: Maximum Segment Size is the largest size of data that TCP will send in a single IP packet. When a connection is established between a LAN client and a host in the WAN connection handshake. The default value is 1432.
Authentication: When AUTO option is chosen, the RAP mode will run first the CHAP.
60
