Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

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51-1
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
51
Configuration Limits
The features supported by the Cisco Nexus 5000 Series Switch have maximum configuration limits. For
some of the features, we have verified configurations that support limits less that the maximum.
Table 51-1 lists the Cisco verified limits and maximum limits for switches running Cisco NX-OS
Release 4.0.x.
Table 51-1 Configuration Limits
Feature Verified Limit Maximum Limit
VLANs per switch
1
250 1024 minus the number of configured
VSANs
Ethernet MTU 9,216 bytes 9,216 bytes (ASIC limit)
PVRST+ 250 PVRST+ instances,
4,000 STP interface states
53,248 STP interface states
2
MST instances per switch (every instance
is RSTP enabled)
64 64 (IEEE standard)
Station Table
3
16,000 entries 32,000 entries
IP Multicast addresses (IGMP snooping) 1,000 addresses 1,000 addresses
VSANs per switch
4
32 256
Device Aliases per fabric 8,000 8,000
Event Traps - forward via Email 4 destinations 50 destinations
Switches in a single physical fabric or
VSAN
50 239
Domains per VSAN 40 239
Native FC links per switch 16
5
16
5
FLOGIs or FDISCs per NPV port group 62 100
Zones per virtual or physical F port
(includes all VSANs)
32 2,048 per ASIC
6
Zone sets per switch (includes all
VSANs)
500 1,000
Zone members per physical fabric
(includes all VSANs)
8,000 20,000
Zones per switch (includes all VSANs) 8,000 8,000