RTS DV-3400 Informações Técnicas descarregar pdf (Página 299)

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Port Trunking

Trunk Configuration Methods

Table 13-3. General Operating Rules for Port Trunks

Media: For proper trunk operation, all ports on both ends of a trunk group must have the same media type and mode

(speed and duplex). (For the switches covered by this guide, ProCurve recommends leaving the port Mode setting at

Auto

or, in networks using Cat 3 cabling,

Auto-10.)

Port Configuration: The default port configuration is Auto, which enables a port to sense speed and negotiate duplex with

an Auto-Enabled port on another device. ProCurve recommends that you use the Auto setting for all ports you plan to use

for trunking. Otherwise, you must manually ensure that the mode setting for each port in a trunk is compatible with the

other ports in the trunk.

Recommended Port Mode Setting for LACP

Figure 13-2. Recommended Port Mode Setting for LACP

All of the following operate on a per-port basis, regardless of trunk membership:

• Enable/Disable

• Flow control (Flow Ctrl)

LACP is a full-duplex protocol. Refer to “Trunk Group Operation Using LACP” on page 13-18.

Trunk Configuration: All ports in the same trunk group must be the same trunk type (LACP or Trunk). All LACP ports in the

same trunk group must be either all static LACP or all dynamic LACP.

A trunk appears as a single port labeled

Dyn1 (for an LACP dynamic trunk) or Trk1 (for a static trunk of type: LACP,

Trunk) on various menu and CLI screens. For a listing of which screens show which trunk types, see “How the Switch

Lists Trunk Data” on page 13-25.

For spanning-tree or VLAN operation, configuration for all ports in a trunk is done at the trunk level. (You cannot separately

configure individual ports within a trunk for spanning-tree or VLAN operation.)

Traffic Distribution: All of the switch trunk protocols use the SA/DA (Source Address/Destination Address) method of

distributing traffic across the trunked links. See “Outbound Traffic Distribution Across Trunked Links” on page 13-25.

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