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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
vrrp un-check ttl

vrrp un-check ttl

Function

The vrrp un-check ttl command disables the device from checking the TTL value in VRRP packets.

The undo vrrp un-check ttl command enables the device to check the TTL value in VRRP packets.

By default, the system checks the TTL value in VRRP packets.

Format

vrrp un-check ttl

undo vrrp un-check ttl

Parameters

None

Views

VLANIF interface view

Default Level

2: Configuration level

Usage Guidelines

As defined by RFC 2338, the device checks the TTL value in received VRRP packets. If the TTL value in a VRRP packet is not 255, the device discards the VRRP packet and generates a log about the VRRP packet error.

On certain networks, especially on a network where the device interoperates with non-Huawei devices, valid packets may be discarded if TTL check is enabled. You can configure the device not to check the TTL value in VRRP packets.

Example

# Disable the wireless access point from checking the TTL value in VRRP packets.

<Huawei> system-view
[Huawei] interface vlanif 100
[Huawei-Vlanif100] vrrp un-check ttl
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Updated: 2019-11-21

Document ID: EDOC1100064352

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