DSL-510 ADSL Router User’s Guide
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PPP
PPP is 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
ppp-0, ppp-1
, etc.
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 PPP information
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 PPP connection 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.