Cisco CCNP Data Center · DCCOR 350-601 · 1.2 Switching · vPC, LACP, FHRP

vPC, port-channels and first-hop redundancy on Nexus

From spanning-tree limits to port-channels and LACP, then vPC in depth: two Nexus switches that look like one LACP partner, peer-link and peer-keepalive, primary/secondary roles, type-1 and type-2 consistency, orphan ports, failure behaviour and HSRP active/active — with a real dual-NIC Linux bond in the lab.

74 min read12 chapters5 labs15 quiz8 scenarios15 interview Q&A

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Inside this module

  • Lab · Build a vPC domain: keepalive, peer-link and roles
  • Lab · Dual-home a Linux server with vPC and prove both links forward
  • Lab · HSRP gateway on a vPC pair (active/active)
  • Lab · Ticket: server bond runs on one NIC (vPC type-1 mismatch)
  • Lab · NOC drill: peer-link failure, orphan port and a dead primary
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