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The security mechanism of the switch
Release time:
2025-06-05
Switches ensure network security through the following technologies:
switches ensure network security through the following technologies:
- Access Control Lists (ACLs): Filter packets based on IP address, port, or protocol;
- Port security: bind MAC addresses to limit the number of access devices;
- VLAN isolation: divides the logical network and blocks cross-VLAN communication.
- 802.1X authentication: authenticates access devices;
- Encrypted transmission: SSH/SSL protocols are supported to protect and manage traffic.
For example, in a financial network, switches must be configured with strict ACL rules to prevent sensitive data leakage.
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