Chapter 1
Virtual Port Channel Operations
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 n 5 k d o c f e e d b a c k @ c i s c o . c o m
switch# show port-channel load-balance forwarding-path interface Po3 src-interface
ethernet 1/1 vlan 1 src-mac 0000.0000.1111 src-ip 1.1.1.1 dst-mac 001e.1324.4dc0 dst-ip
2.2.2.2
Missing params will be substituted by 0's.
Load-balance Algorithm on switch: source-dest-ip
crc8_hash: 14
Param(s) used to calculate load-balance:
switch#
The commands do not show how flows are distributed on the FEX uplink from the FEX to the N5k.
While using the SPAN feature to monitor the traffic flow, the communications between two hosts can be
split between two vPC switches. Therefore, you may need to enable SPAN on both vPC switches to
obtain a complete trace.
Outgoing port id: Ethernet1/31
dst-ip:
2.2.2.2
src-ip:
1.1.1.1
dst-mac:
001e.1324.4dc0
src-mac:
0000.0000.1111
Cisco Nexus 5000 Series NX-OS Interfaces Operations Guide, Release 5.0(3)N2(1)
Tracing Traffic Flow in a vPC Topology
1-19
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