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Appendix B Traffic Separation RIC-155 Installation and Operation Manual
B-6 Configuring for a Typical Application
Local MNG Only
In the Local MNG Only port access mode, local data frames can reach the uplink
port only. Local management frames can reach the host and uplink ports, and the
remote management frames can reach the local uplink, host and data ports.
In the MNG Only access mode, the host port checks the source port of the
incoming frames and drops those that do not originate from the management port.
See Managing RIC-155 via MNG Port for the application example.
MNG Host
Uplink
Data
Secure Secure
Fallback
Tag Stripping Disabled
Fallback
Tag
Figure B-8. Port Access Mode –MNG Only
B.3 Configuring for a Typical Application
Managing RIC-155 via MNG Port
Figure B-9 shows two RIC-155 units managed via MNG port. In this application the
local management frames are forwarded to the host and uplink ports, and the local
data frames are sent to the uplink port only. Both management and data frames
receive tags according to their source port (1 for management and 2 for data). The
tags are received at egress from the uplink port. When the frames enter the remote
uplink port their tags are checked against the remote VTU table and forwarded
according to their tags: 1 to the host port and 2 to the data port. The host port
strips the VLAN tag of the management frames and forwards them to the CPU.