Perle Systems PERLE P850 - Manual (Page 63)

Applications
57
TCP mss option should decrease to 1452 bytes. Therefore when
configuring the router for PPPoE, the remote site NAT configuration
automatically adjust its TCP mss option to 1452 to accommodate this
requirement. To verify this value has been adjusted:
Location: Main
Ä
Configuration
Ä
WAN Set-Up
Ä
Remote Site Set-up
Ä
Protocol Set-Up
Ä
IP Parameters
Ä
NAT Advanced Set-up
Ä
TCP mss
Ä
enabled
Ä
TCP mss value
Ä
1452
Normally your ISP provider will provide you with an outgoing
username and password and to authenticate with their services. The
PPPoE remote site configuration needs to have the security section
configured with this ISP parameters to authenticate the PPPoE
connection.
Location: Main
Ä
Configuration
Ä
WAN Set-Up
Ä
Remote Site Set-Up
Ä
Security Set-Up
Ä
Outgoing Username
Ä
ISP provided username
Ä
Outgoing PAP password
Ä
ISP provided password
Ä
Outgoing CHAP password (if required by ISP)
Ä
ISP chap password