Evolved Campus Core EVPN For Everyone Else€¦ · 26-06-2018 · running architectures like this?...
Transcript of Evolved Campus Core EVPN For Everyone Else€¦ · 26-06-2018 · running architectures like this?...
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Evolved Campus Core EVPN For Everyone Else
Vincent Celindro – JNCIE #69 / CCIE #8630
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Legacy 3-Tier Architecture
Circa – Late 90’s - 2017 ??? Circa – Late 90’s - 2017 ???
Cisco SRND
Cat 6500 Brocade MLX/XMR Juniper 8200
How many networks are still running architectures like this?
Core
Access
Distribution
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Typical Campus Network Redundancy
Spanning Tree
Layer 2 Adjacency
Segmentation
Flood and Learn
Users
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Redundancy – Spanning Tree
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Spanning Layer 2 – Still Flood and Learn - Loops
Junos Fusion / Cisco FEX
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Layer 2 Adjacency
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Segmentation
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Typical Campus Network Redundancy
Spanning Tree
Layer 2 Adjacency
Segmentation
Flood and Learn
Users
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DataCenters, Campuses & Fabrics
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EVPN Datacenter
Spine
Leaf
Compute
Campus
Core / Distribution
Access
Users, Compute, IOT https://tools.ietf.org/html/rfc7432
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Full Fabric
EVPN / VXLAN
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Lean Spine
EVPN / VXLAN
L3 IP Only
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Spine Only
L2 Only
EVPN / VXLAN
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EVPN/VXLAN in the Campus
Standards Based Large Industry Adoption Minimized Fault Domain Easy to Scale
EVPN - Control/Forwarding Brown Field Operational Advantages
Core / Distribution
Access
ESI-LAG
L2 Only
EVPN / VXLAN
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ECC – Evolved Campus Core
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ECC (Evolved Campus Core) – Five Key Concepts
1) Underlay
2) Overlay - EVPN/VXLAN
3) VRF Segmentation
4) ESI-LAG
5) Anycast Gateway
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Underlay
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Overlay – EVPN/VXLAN
WEB APP DB
Engineering Legal
Finance
Engineering Legal
Finance
Engineering Legal
Finance
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VRF Segmentation
WEB/APP/DB Dev Test Prod
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ESI-LAG (EVPN Multihoming A/A)
https://tools.ietf.org/html/rfc7432#section-14.1.2
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ESI-LAG (EVPN Multihoming A/A)
Access
Core/Distribution
00:00:00:ab:cd:00:01:00:00:01 00:00:00:ab:cd:00:03:00:00:03
LAG
ESI-LAG
00:00:00:ab:cd:00:02:00:00:028c:85:90:4d:b7:6b
00:00:00:ab:cd:00:02:00:00:028c:85:90:4d:b7:6b
00:00:00:ab:cd:00:02:00:00:028c:85:90:4d:b7:6b
00:00:00:ab:cd:00:02:00:00:028c:85:90:4d:b7:6b
00:00:00:ab:cd:00:02:00:00:028c:85:90:4d:b7:6b
EVPN / VXLAN
L2 Only
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Anycast Gateway
10.X.X.2 10.X.X.3 10.X.X.2 10.X.X.3 10.X.X.1 10.X.X.1
10.X.X.5 10.X.X.4 10.X.X.1 10.X.X.1 10.X.X.1 10.X.X.1
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NXT Steps - How Do I move to an ECC Architecture
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Physical
Core
Access
Distribution
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Hardware & Software
Any Vendor – LAG/LACP/VLANS
EVPN + L2/L3 VXLAN Gateway
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ECC Configuration
1) Underlay
2) Overlay - EVPN/VXLAN
3) VRF Segmentation
4) ESI-LAG
5) Anycast Gateway
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Day 0 Considerations - Day N Options
EVPN / VXLAN
EVPN / VXLAN
L3 IP Only
L2 Only
EVPN / VXLAN
Full Fabric Lean Spine
Spine Only
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ECC (Evolved Campus Core) - Takeaways • Why ECC
• Redundancy – eliminate spanning tree • Users – L2 adjacency / segmentation
• ECC Concepts • Underlay • Overlay - EVPN/VXLAN • VRF Segmentation • ESI-LAG • Anycast Gateway
• Migration • Physical • EVPN/VXLAN Core HW/SW • Enable ECC
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Q&A