Chapter 1 Introduction IPmux-1/1E Installation and Operation Manual
1-32 Functional Description
Table 1-12. Rate+User Untagged Mode
Frame Action Switch Action
A tagged frame enters the Network port
Both User and Network ports members of
frame’s VLAN
Switched to User port*, and tag is removed
Either the User or Network port is not a
member of frames’s VLAN
Discarded
A tagged frame enters the User port Discarded
An untagged frame enters the Network port (see
Note 2)
Both User and Network ports are members of
port Network port default VLAN
Switched to User port without changing (see
Note 1)
Either User or Network port is not a member
of the Network port default VLAN
Discarded
A untagged frame enters the User port**
Both User and Network ports members of
User port default VLAN
Switched to Network port*
Subject to rate limiting
Default User port VLAN ID is added with priority 0
Either User or Network port not member of
User port default VLAN
Discarded
* The switch may decide not to pass the frame to the other port, based on its
learning.
** A priority-tagged frame (frame with a tag and VLAN-ID 0) is treated just like an
untagged frame. This includes rewriting the priority field with 0.
Dynamic Host Configuration Protocol (DHCP) is a TCP/IP protocol that enables
PCs and workstations to get temporary or permanent IP Addresses (out of a pool)
from centrally administered servers.
DHCP is based on RFC 1531 and RFC 1533.
Lease Length
You can request an IP Address for an infinite period of time (Infinite Lease);
however, you must accept the time period that is determined by the server, even if
it is different from what you requested.
Notes