By default: underlay – default VRF overlay – “tenant” VRF, hosts in VXLAN are isolated Border Leafs are used to connect the internal fabric to external...
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- December 5, 2019
- 0
- Cisco Data Center
NX-OS
Cisco NX-OS: VXLAN – vPC – Anycast
VxLAN and vPC Anycast VTEP Problem with VXLAN and vPC: in a vPC both vPC peers duplicate EVPN MAC/IP routes to spine RRs with other attributes equal,...
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- December 3, 2019
- 0
- Cisco Data Center
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...
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- November 26, 2019
- 0
- Cisco Data Center
Cisco NX-OS: VXLAN Asymmetric Routing
EVPN Integrated Routing and Bridging (IRB) has two options: Asymmetric IRB Symmetric IRB Assymetric IRB Ingress VTEP does both L2 and L3 lookup Egress VTEP does...
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- November 21, 2019
- 0
- Cisco Data Center
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...
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- November 19, 2019
- 0
- Cisco Data Center
Cisco NX-OS: VXLAN Multicast Control Plane
Two control planes for the VXLAN technology: Multicast control plane (flood and learn) MP-BGP EVPN control plane Virtual Extensible Local Area Networks (VXLANs) allows to extend...
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- November 14, 2019
- 0
- Cisco Data Center
Cisco NS-OS: Virtual eXtensible LAN (VXLAN) Overview
VXLAN is a tunneling protocol that encapsulates Layer 2 Ethernet frames in Layer 3 UDP packets. Why VXLAN: VLAN Scalability – expands VLAN name space VLANs use...
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- November 12, 2019
- 0
- Cisco Data Center
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...
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- October 30, 2019
- 0
- Cisco Data Center
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...
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- October 28, 2019
- 1
- Cisco Data Center
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...
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- October 23, 2019
- 0
- Cisco Data Center