Configuration Guide
Table Of Contents
- Table of Contents
- 1. Overview
- 2. SPB Terminology
- 3. SPB Support Topologies
- 4. UNI Types
- 5. Summary of SPB Features and ProductRelease Matrix
- 6. SPB Feature and License Matrix
- 7. Scaling
- 8. Migration & Upgrades
- 9. Field Introduction & Support Specifications
- 10. VSP 7000 – Fabric Interconnect
- 11. ISIS Metrics - Optional
- 12. ISIS Accept Policy
- 13. ISIS External Metric
- 14. SPB over L2/L3 networks
- 15. Fabric Attach
- 16. SPB SMLT BEB Design Best Practices
- 17. SPB NNI SMLT – migrating existing SMLT network to SPB
- 18. IS-IS TLV
- 19. SPB Best Practices
- 20. SPB Configuration
- 20.1 SPB Configuration
- 20.1.1 ERS 8800 – Converting from CLI to ACLI
- 20.1.2 SPB and IS-IS Core Configuration
- 20.1.3 SPB NNI Interface Configuration
- 20.1.4 CFM Configuration
- 20.1.5 VSP 7000 – Fabric Interconnect Mesh
- 20.1.6 SMLT – Normal IST
- 20.1.7 SMLT - Virtual IST (vIST)
- 20.1.8 L2VSN Configuration
- 20.1.9 SwitchedUNI Configuration
- 20.1.10 Flex UNI Switched Configuration
- 20.1.11 Transparent UNI Configuration
- 20.1.12 Private VLAN (ETREE) Configuration
- 20.1.13 L3VSN Configuration
- 20.1.14 L3VSN – leaking routes between VRF’s
- 20.1.15 IP Shortcuts
- 20.1.16 IP Shortcut– Suppress IST Network
- 20.1.17 IP Shortcuts – leaking routes between GRT and VRF
- 20.1.18 IP Shortcuts – redistribution of ISIS and OSPF
- 20.1.19 Inter-VSN Routing
- 20.1.20 IPv6 Shortcuts
- 20.1.21 SPB Multicast Configuration
- 20.1.22 Multicast 239.255.255/24 – UPnP Filtering
- 20.1.23 Connectivity Fault Management (CFM) Configuration
- 20.1.24 CFM Configuration Example – 7.1.1.x or higher
- 20.1.25 Fabric Extend Configuration
- 20.1.26 ONA: Assigning a Static IP address to the Open Network Adapter
- 20.1.27 Fabric Extend over Routed Infrastructure using VRF to interconnect to routed network
- 20.1.28 Fabric Extend over Routed Infrastructure using GRT to interconnect to routed network
- 20.1.29 Fabric Extend over E-LAN/VPLS (L2) network using Layer 3 over Layer 2 tunneling using VSP 4000
- 20.1.30 Fabric Extend over E-LAN/VPLS (L2) network using Layer 3 over Layer 2 tunneling with VSP8000 orVSP7200
- 20.1.31 Fabric Extend over E-LAN/VPLS (L2) network using VLAN Tunnels
- 20.1.32 Fabric Attach Configuration
- 20.1.33 Identity Engines – Attribute Details
- 20.1.34 Fabric Attach Base Configuration – Adding a FA Proxy and FA Server
- 20.1.34.1 Fabric Attach – Adding a Platform VLAN on FA Server forManagement VLAN
- 20.1.34.2 Fabric Attach – Adding a L2VSN Service
- 20.1.34.3 Fabric Attach – Adding a L3VSN Service
- 20.1.34.4 Fabric Attach - Adding a WLAN 9100 FA Client with EAPDevice authentication via Identity Engines
- 20.1.34.5 Fabric Attach – Changing the FA authentication key
- 20.1.35 Fabric Attach Proxy Standalone
- 20.2 Using EDM
- 20.1 SPB Configuration
- 21. VLAN and ISID Restrictions using TACACS+via Identity Engines
- 22. Configuration Examples
- 22.1 SPB – Core Setup
- 22.1.1 Configuration
- 22.1.1.1 Configuration Mode
- 22.1.1.2 Auto Save
- 22.1.1.3 VSP 7000 – Rear Port Mode
- 22.1.1.4 Option: Change Spanning Tree mode to MSTP
- 22.1.1.5 System Name
- 22.1.1.6 Option – Configure out-of-band management interface
- 22.1.1.7 Enable VLACP Globally
- 22.1.1.8 IST Configuration – SMLT Cluster switch 4001 & 4002, 9001 & 9002 and 8005 & 8006
- 22.1.1.9 IS-IS and SPB Global Configuration
- 22.1.1.10 IS-IS SPB Interface Configuration
- 22.1.1.11 Remove default VLAN from all SPB ports
- 22.1.1.12 Other best practice items – VLACP and discard untagged frames
- 22.1.1.13 IST Configuration – SMLT Cluster switch 7001 & 7002
- 22.1.1.14 ISIS L1-metric – Optional
- 22.1.1.15 Connectivity Fault Management (CFM) Configuration
- 22.1.1.16 QoS
- 22.1.2 Configuration using EDM – Using 8005 as an example
- 22.1.3 Verify Operations
- 22.1.1 Configuration
- 22.2 SMLT Configuration
- 22.3 SPB L2 VSN Configuration
- 22.4 VSP 7000 & ERS 4800 – In-band Management via L2VSN
- 22.5 Multicast over L2VSN
- 22.6 Inter VSN Routing
- 22.7 Inter-ISID Configuration
- 22.7.1 VRF configuration
- 22.7.2 Verification
- 22.8 SPB L3 VSN – SMLT
- 22.9 Extending L3VSN to the VSP 7000 Cluster via L2VSN
- 22.10 Multicast over L3VSN
- 22.11 SPB IP Shortcuts
- 22.12 Multicast over IP Shortcuts
- 22.1 SPB – Core Setup
- 23. Restrictions and Limitations
- 24. Reference Documentation
©2021 Extreme Networks, Inc. All rights reserved
October 2021
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3.3 Inter VSN Routing
Figure 4: Inter VSN Routing
Inter VSN allows routing between IP networks on Layer 2 VLANs with different ISIDs. As illustrated in the
diagram above, routing between VLANs 10 and 20 occurs on one of the SPB core switches shown in the
middle of the diagram. End users from the BEB switches as shown on the right and left of the diagram are
able to forward traffic between the yellow and green VLANs (VLANs 10 & 20) via the VRF instance
configured on the switch shown. Although the diagram illustrates a VRF configured on a BCB switch, Inter
VSN can also be performed via GRT. Also, for redundancy, Inter VSN can also be configured on another
switch with VRRP to eliminate a single point of failure.
Please note Inter VSN routing is only typically used when you have to extend a VLAN as L2VSNs for
applications such as vMotion. Normally, is it recommended to route when you can by using either IP
shortcuts or L3VSNs. As one of the requirements for vMotion is a shared network for the ESX hosts, we
have no choice but to bridge traffic between the ESX hosts. In order to forward the server traffic to the
clients and vise-versa, it is necessary to IP route the traffic either via IP shortcuts or via a VRF L3VSN.