JNCIS-ENT JN0-352 · Layer 2 Security

Layer 2 security on EX switches

Protect the spanning tree from rogue switches, stop MAC flooding, block rogue DHCP servers and ARP or IP spoofing, tame broadcast storms, encrypt links with MACsec and filter frames with ethernet-switching firewall filters.

40 min read9 chapters3 labs15 quiz7 scenarios15 interview Q&A

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Inside this module

  • Lab · Keep strangers out of the spanning tree
  • Lab · Rogue DHCP, ARP spoofing and IP spoofing
  • Lab · The hardening change that locked everyone out
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