Cisco Systems IPMUX-1E operation manual Switch Behavior, Basic Mode, Frame Action Switch Action

IPmux-1/1EInstallation and Operation Manual			Chapter 1 Introduction
Note	Access to the IPmux host for management is possible only from the network port.
	Switch Behavior
	Use Table 1-6to determine the operation mode.
		Table 1-6. Switch Behavior
Network VLAN	User VLAN	Rate Limit
Tagging	Tagging	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	User Untagged Mode
		Table 1-12)	(see Table 1-9)
Enable	Enable	Rate+User Tagged Mode (see	User Tagged Mode
		Table 1-11)	(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	Switched to User port without changing
		port**	the frame*
		An untagged frame enters the User port**	Switched to Network port without
			changing the frame*
Notes
	*	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.

Functional Description 1-27