Configure Stpd Ports Mode - Extreme Networks ExtremeWare XOS Command Reference Manual

Software version 11.5

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ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.

configure stpd ports mode

configure stpd <stpd_name> ports mode [dot1d | emistp | pvst-plus]

Configures the encapsulation mode for the specified port list.

Syntax Description

Ports in the default STPD (s0) are

Ports in user-created STPDs are in

Usage Guidelines

If your STPD has the same name as another component, for example a VLAN, Extreme Networks

recommends that you specify the identifying keyword as well as the name. If your STPD has a name

unique only to that STPD, the keyword

MSTP STPDs use 802.1D BPDU encapsulation mode by default. To ensure correct operation of your

MSTP STPDs, do not configure EMISTP or PVST+ encapsulation mode for MSTP STPDs.

You can specify the following STP encapsulation modes:

—This mode is reserved for backward compatibility with previous STP versions. BPDUs are

sent untagged in 802.1D mode. Because of this, any given physical interface can have only one STPD

running in 802.1D mode.

This encapsulation mode supports the following STPD modes of operation: 802.1D, 802.1w, and

—This mode sends BPDUs with an 802.1Q tag having an StpdID in the VLANid field.

This encapsulation mode supports the following STPD modes of operation: 802.1D and 802.1w.

—This mode implements PVST+ in compatibility with third-party switches running this

version of STP. The STPDs running in this mode have a one-to-one relationship with VLANs, and

send and process packets in PVST+ format.

This encapsulation mode supports the following STPD modes of operation: 802.1D and 802.1w.

ExtremeWare XOS 11.5 Command Reference Guide

Specifies an STPD name on the switch.

Specifies the STP encapsulation mode of operation to be 802.1d.

Specifies the STP encapsulation mode of operation to be EMISTP.

Specifies the STP encapsulation mode of operation to be PVST+.

Specifies one or more ports or slots and ports.

is optional.

configure stpd ports mode

Extremeware xos 11.5