Category: Data Center

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Cisco NX-OS: VXLAN Symmetric Routing

EVPN Integrated Routing and Bridging (IRB) has two options: Asymmetric IRB (increased ARP cache and CAM table sizes and control plane scaling issue) Symmetric IRB Symmetric IRB Ingress VTEP does...

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Cisco NX-OS: VXLAN BGP EVPN control plane

Two control planes for the VXLAN technology: Multicast control plane (flood-and learn) MP-BGP EVPN control plane MP-BGP EVPN is a standard-based VXLAN control protocol, that provides remote VTEP discovery and...

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Cisco NX-OS: FabricPath (FP)

FabricPath (FP) is a L2 Routing = “MAC-in-MAC” Routing. FabricPath is Cisco proprietary and works in the same way as TRILL (Transparent Interconnection of Lots of Links) that is an...

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Cisco NX-OS: vPC & Failures

vPC Orphan Ports – Traffic from remote Orphan is allowed over Peer Link and exit via local Member– Traffic from remote Member is allowed over Peer Link and exit via...

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Cisco NX-OS: vPC & FHRP

FHRP acts as active/active forwarding over vPC: traffic received in vPC Member Port of FHRP Standby to FHRP Virtual MAC is not forwarded over Peer Link to Active FHRP –...