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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).
ip verify source-address

ip verify source-address

Function

The ip verify source-address command enables an interface to check validity of source IP addresses of received packets.

The undo ip verify source-address command disables an interface from checking validity of source IP addresses of received packets.

By default, an interface does not check validity of source IP addresses of received packets.

Format

ip verify source-address

undo ip verify source-address

Parameters

None

Views

VLANIF interface view, loopback interface view

Default Level

2: Configuration level

Usage Guidelines

The following IP addresses are illegal source addresses:
  • Addresses with all 0s or 1s
  • Multicast addresses (class D addresses)
  • Class E addresses
  • Loopback addresses that are not generated on local hosts (in 127.x.x.x format)
  • Broadcast addresses of classes A, B, and C
  • Subnet broadcast addresses that are on the same network segment as the address of the inbound interface

Run the display this command in the VLANIF interface view to check configuration of checking validity of source IP addresses.

The interface only check validity of source IP addresses of the packets that are forwarded to the CPU and does not check validity of source IP addresses of the packets that will be directly forwarded according to the FIB table.

Example

# Enable VLANIF100 to check validity of source addresses of received packets.

<Huawei> system-view
[Huawei] interface vlanif 100
[Huawei-Vlanif100] ip verify source-address
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Updated: 2019-11-21

Document ID: EDOC1100064352

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