Anritsu MD1230B-26, Operation Manual, Page: 17 / 102

1.1 Product Overview
1-3
1
Overvi
ew
Network topology consisting of PPPoE client and Internet server
A PPPoE session is established between the PPPoE client and server
(BB-RAS) and user data is exchanged. Traffic is measured by exchanging
user data between the PPPoE client and internet server using session
information.
DSLAM
PPPoE session
ADSL
BB-RAS
ADSL modem
PPPoE Ethernet
Ethernet PPPoE Data Ethernet Data
PPPoE client Internet server
Fig. 1.1-2 Network topology consisting of PPPoE client and Internet server
Network topology consisting of Ethernet client and Internet server
Traffic is measured by exchanging user data between the ethernet client
and internet server without establishing a PPPoE session between the
ethernet client and internet server.
DSLAM
ADSL
BB-RAS
BB router
Ethernet
Ethernet Data
Ethernet
Ethernet Data
PPPoE session
Ethernet client Internet server
Fig. 1.1-3 Network topology consisting of Ethernet client and Internet server
Note:
When connecting between the ethernet client and PPPoE server via
a BB router, this network topology is subject to restriction.