Layer 2 Security Toolkit
Cisco has many tools for protecting Layer 2, including those described in Table 9-2.
Table 9-2 Toolkit for Layer 2 Security
The key Layer 2 security technologies we focus on in CCNA Security include port security, BPDU Guard, Root Guard, DHCP snooping, and access lists. The other topics from the table you can save for your CCNP Security studies.
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