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S2700, S3700, S5700, S6700, S7700, and S9700 Series Switches Interoperation and Replacement Guide

This document provides typical configuration examples for interoperation between Huawei switches and mainstream IP phones, firewalls, routers, Microsoft NLB servers, multi-NIC servers, Cisco switches, and SolarWinds.
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Comparison Between LNP and DTP

Comparison Between LNP and DTP

Table 5-3  Function support

Function

Huawei Switches

Cisco Switches

Enabling or disabling global auto-negotiation of the link type of an interface

Supported

Global auto-negotiation of the link type of an interface is enabled by default.

For devices such as access devices that do not require dynamic negotiation, LNP can be disabled globally. After LNP is disabled, the device stops sending LNP packets. The network burden is therefore reduced.

Not supported

Enabling or disabling auto-negotiation of the link type of an interface

Supported

Auto-negotiation of the link type of an interface is enabled by default.

Supported

See the Cisco documentation.

Dynamically negotiating the link type

Supported

Supported

Delivering VLAN information about an interface based on the negotiation result after the link type is negotiated dynamically

Supported

Supported

Displaying negotiation information about the link type of an interface

Supported

Supported

Automatic recovery of the dynamically negotiated link state after the active/standby switchover

Supported

Supported

Table 5-4  Differences in command formats

Function

Command on Huawei Switches

Command on Cisco Switches

Configure the link dynamic negotiation mode as auto.

port link-type negotiation-auto switchport mode dynamic auto

Configure the link dynamic negotiation mode as desirable.

port link-type negotiation-desirable switchport mode dynamic desirable

Remove an interface from a VLAN in negotiation mode. For example, remove an interface from VLAN 10.

There is no command used to remove an interface from VLAN 10. You can specify the VLANs that interfaces can be added to.

port trunk allow-pass only-vlan 1 to 9 11 to 4094
switchport trunk allowed vlan remove 10

Disable auto-negotiation of an interface.

port negotiation disable switchport nonegotiate

Disable global LNP.

lnp disable

Not supported

Modify the packet encapsulation mode.

Huawei supports only encapsulation based on the standard protocol, without any configuration.

switchport trunk encapsulation dot1q
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Updated: 2019-05-15

Document ID: EDOC1000114005

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