Overlay VSAN Configuration
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Overlay VSAN Configuration
VSANs enable deployment of larger SANs by overlaying multiple logical SANs, each running its own
instance of fabric services, on a single large physical network. This partitioning of fabric services
reduces network instability by containing fabric reconfiguration and error conditions within an
individual VSAN. VSANs also provide the same isolation between individual VSANs as physically
separated SANs. Traffic cannot cross VSAN boundaries and devices may not reside in more than one
VSAN. Because each VSAN runs separate instances of fabric services, each VSAN has its own zone
server and can be zoned in exactly the same way as SANs without VSAN capability.
To configure an overlay VSAN, follow these steps:
Add the VSAN to the VSAN database on all switch in the fabric.
Step 1
Create a VSAN interface for the VSAN on all switches in the fabric. Any VSAN interface belonging to
Step 2
the VSAN has an IP address in the same subnet. Create a route to the IPFC cloud on the IP side
Configure a default route on every switch in the Fibre Channel fabric pointing to the switch that provides
Step 3
NMS access.
Configure default gateway (route) and the IP address on switches that point to the NMS (see
Step 4
Figure
Figure 36-4
Cisco MDS 9000 Family Configuration Guide
36-12
36-4).
Overlay VSAN Configuration Example
Int vsan10 - 10.10.10.88
VSAN HR
Int vsan10 - 10.10.10.124
IP default gateway
10.10.10.34
VSAN 10
Int vsan10 - 10.10.10.35
Int vsan10 - 10.10.10.34
VSAN ENG
172.23.84.74
mgmt 0
172.23.84.86
NMS
IP cloud
ip route 10.10.10.0 255.255.255.0 172.23.93.74
Physical Fibre
Channel Fabric
Chapter 36
Configuring IP Services
OL-6973-03, Cisco MDS SAN-OS Release 2.x
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