Cisco Systems IPMUX-1, IPMUX-1E - page 56

IPmux-1/1E Installation and Operation Manual Chapter 1 Introduction
Functional Description 1-27
Access to the IPmux host for management is possible only from the network port.
Switch Behavior
Use Table 1-6 to determine the operation mode.
Table 1-6. Switch Behavior
Network VLAN
Tagging
User VLAN
Tagging
Rate Limit
Rate Limit>0 Rate Limit=0 (Disable)
Disable Disable Rate Mode (see Table 1-10) Basic Mode (see Table 1-7)
Enable Disable Rate+User Untagged Mode (see
Table 1-12)
User Untagged Mode
(see Table 1-9)
Enable Enable Rate+User Tagged Mode (see
Table 1-11)
User Tagged Mode
(see Table 1-8)
Basic Mode
Features:
• Network port learning is based on MAC
• User port learning is based on MAC
• TDMoIP & Managers traffic is tagged or untagged.
Table 1-7. Basic Mode
Frame Action Switch Action
A tagged frame enters the Network port Switched to User port without changing
the frame*
A tagged frame enters the User port Switched to Network port without
changing the frame*
An untagged frame enters the Network
port**
Switched to User port without changing
the frame*
An untagged frame enters the User port** Switched to Network port without
changing the frame*
* 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.
Note
Notes