Guidelines And Limitations For M3 Series Modules; Default Settings For Span - Cisco Nexus 7000 Series Configuration Manual

Guidelines and Limitations for M3 Series Modules

• Traditional SPAN sessions support traffic from the F Series and M Series modules. Extended SPAN
• M1 and M2 Series modules support exception SPAN only in the nonadministration VDC, and at least
• For MTU truncation on M2 Series modules, the truncated length of SPAN packets is rounded down to
• Only eight sessions can support rate limiting on M2 Series modules. Any additional hardware sessions
• M1 and M2 Series modules support exception SPAN only in the nonadministration VDC, and at least
Guidelines and Limitations for M3 Series Modules
• Beginning with Cisco NX-OS Release 7.3(1)DX(1), SPAN is supported on M3 Series modules.
• SPAN sampling is supported on M Series modules and Supervisor 2.
• Extended SPAN sessions support traffic from M3 Series modules. Multiple SPAN destinations are

Default Settings for SPAN

The following table lists the default settings for SPAN parameters.
Parameters
SPAN sessions
MTU truncation
Multicast best effort mode
SPAN rate limit for traditional SPAN sessions
SPAN rate limit for extended SPAN sessions
SPAN sampling
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sessions support traffic only from the F Series and M2 Series modules.
one interface of the module must be present for the VDC.
the nearest multiplier of 16 bytes. For example, with an MTU configuration value of 65 to 79, packets
are truncated to 64 bytes.
will not apply the configured rate limiter on M2 Series modules.
one interface of the module must be present for the VDC.
supported when an F Series module is present in a VDC. The primary destination is used to transmit
SPAN packets originated from Fx modules.
Default
Created in the shut state
Disabled
Disabled
Disabled
Enabled
Disabled
Configuring SPAN