Figure 18: Gxv3370 Pc Port Mode - Grandstream Networks GXV3370 Security Manual

When the PC port mode is set to "Enabled", another network device can obtain network access by
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connecting to GXV3370's PC port. The PC VLAN tag and PC priority values are only available when
the port mode is set to "Enabled".
When the PC port mode is set to "Mirrored", the data packet sent and received by the phone would go
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through the LAN port and PC port at the same time. In this case, PC port is only used for capturing
debugging packets and unable to support network data exchange.
If the administrator or user does not plan to use PC port for network device access or troubleshooting
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purpose, it is recommended to set PC port mode to "Disable" so any connection through it will be
rejected.

Figure 18: GXV3370 PC Port Mode

GXV3370 Security Guide
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