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NE20E-S V800R010C10SPC500 Feature Description - VPN 01

This is NE20E-S V800R010C10SPC500 Feature Description - VPN
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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).
Loop Detection Packet Format

Loop Detection Packet Format

Figure 14-3 shows the loop detection packet format.

Figure 14-3 Loop detection packet format

The meanings of the fields are as follows:

  • Destination MAC Address: destination MAC address
  • Source MAC Address: source MAC address
  • EthType: Ethernet type
  • VLAN Info: VLAN information
  • System MAC Address: system MAC address
  • FID: FID of a VLAN or VSI
  • Magicnum: index of an AC interface
  • Timestamp: timestamp for sending loop detection packets
  • vr id: ID of a virtual router
  • Domain Type: domain type
  • Inst-id: ID of an instance
NOTE:
A loop detection packet carries at most two VLAN tags (for example, in a QinQ VLAN tag termination scenario).
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Updated: 2019-01-03

Document ID: EDOC1100055135

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