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Cisco Nexus – Port Channel Compatibility Requirements

switch# show port-channel compatibility-parameters

  • port mode

Members must have the same port mode configured, either E,F or AUTO. If
they are configured in AUTO port mode, they have to negotiate E or F mode
when they come up. If a member negotiates a different mode, it will be
suspended.

  • speed

Members must have the same speed configured. If they are configured in AUTO
speed, they have to negotiate the same speed when they come up. If a member
negotiates a different speed, it will be suspended.

  • MTU

Members have to have the same MTU configured. This only applies to ethernet
port-channel.

  • MEDIUM

Members have to have the same medium type configured. This only applies to
ethernet port-channel.

  • Span mode

Members must have the same span mode.

  • load interval

Member must have same load interval configured.

  • span port headers

The exclude header span config must either be present or absent on all
members.

  • sub interfaces

Members must not have sub-interfaces.

  • Duplex Mode

Members must have same Duplex Mode configured.

  • Ethernet Layer

Members must have same Ethernet Layer (switchport/no-switchport) configured.

  • Span Port

Members cannot be SPAN ports.

  • Storm Control

Members must have same storm-control configured.

  • Flow Control

Members must have same flowctrl configured.

  • Capabilities

Members must have common capabilities.

  • Capabilities speed

Members must have common speed capabilities.

  • Capabilities duplex

Members must have common speed duplex capabilities.

  • rate mode

Members must have the same rate mode configured.

  • Capabilities FabricPath

Members must have common fabricpath capability.

  • Port has PVLAN config

Members must have same pvlan configuration

  • 1G port is not capable of acting as peer-link

Members must be 10G to become part of a vPC peer-link.

  • EthType

Members must have same EthType configured.

  • shared interface

Members can not be shared-interfaces.

  • Capabilities SpanDest

Members must be capable of span destination configuration

  • Module Type Incompatible

Module type for interfaces is not compatible.

  • Port Mode Fabricpath Incompatible

Members are Fabricpath Enforce locked, not compatible.

  • Rewrite Translate – Rate Mode shared, Incompatible

Members have rate mode shared,and rewrite translate exists on the channel
group,Not compatible.

  • FEX – PVLAN promiscuous config

FEX ports cannot have private VLAN promiscuous or promiscuous trunk configs

  • vmtracker enable mismatch

Members have vmtracker enable mismatch

  • port

Members port VLAN info.

  • port

Members port does not exist.

  • switching port

Members must be switching port, Layer 2.

  • port access VLAN

Members must have the same port access VLAN.

  • port native VLAN

Members must have the same port native VLAN.

  • port allowed VLAN list

Members must have the same port allowed VLAN list.

  • VLAN translation mapping list

Members must have the same VLAN translation list.

  • Members should have same fex config

Members must have same FEX configuration.

  • FEX pinning max-links not one

FEX pinning max-links config is not one.

  • Multiple port-channels with same Fex-id

Multiple port-channels to same FEX not allowed.

  • Pinning Params

Members must have the same pinning parameters.

  • All HIF member ports not in same pinning group

All HIF member ports not in same pinning group

  • Slot in host vpc mode

Cannot add cfged slot member to fabric po vpc.

  • Members in multiple FEX

Members must belong to same FEX.

  • Members are of different type

Members must of same interface type.

  • port egress queuing policy

10G port-channel members must have the same egress queuing policy as the
port-channel.

  • Port Security policy

Members must have the same port-security enable status as port-channel

  • Port priority-flow-control

PFC config should be the same for all the members

  • Dot1x policy

Members must have host mode as multi-host with no mab configuration. Dot1X
cannot be enabled on members when Port Security is configured on port
channel

  • PC Queuing policy

Queuing policy for Non-DCE PC should be non-dce

  • PC Queuing policy

Queuing policy for the PC should be same as system queuing policy

  • PVLAN port config

Members must have same PVLAN port configuration.

  • Emulated switch port type policy

vPC ports in emulated switch complex should be L2MP capable.

  • VFC bound to port

Members cannot have VFCs bound to them.

  • VFC bound to port channel

Port Channels that have VFCs bound to them cannot have more than one member

  • VFC bound to FCoE capable port channel

Port Channels that have VFCs bound to them cannot have non fcoe capable
member

  • VFC bound to FCoE capable port channel

Port Channels that have VFCs bound to them cannot have non fcoe licensed
member

  • EVC EFP configured under port channel member

Port Channel members cannot have EVC EFP configured under them

  • Fex ports for span

Port-Channel is already a SPAN source. Cannot add FEX ports connected
through F2/F2E series line cards to this PC

  • shut lan

Members cannot have shut lan configured

  • VPC orphan port suspend configured under port channel member

Port channel members cannot have vPC orphan port suspend configured under
them

  • tag native

Members must have same native vlan tagging configured

  • VNSEG VSI configured under port channel member

Port Channel members cannot have VNSEG VSI configured under them

  • VNSEG VSI Id for FEX > 62

VNSEG VSI Id greater than 62 not allowed on FEX Ports

  • VNSEG VSI configured under port channel and VSI under FEX member have overlapp
    ing mappings

VNSEG VSI configured under port channel and VSI under FEX member should not
have overlapping mappings

  • VNSEG VSI Id and profile name mismatch on FEX member with those on Port-channe
    l

FEX Port Channel members and port-channel configuration for VSI Id and
profile name should match

  • VNSEG VSI type mismatch on FEX member with those on Port-channel

All FEX ports should have same VSI Type – STATIC/VDP/DFS

  • PLSM EDP port type policy

EDP ports should fail to be part of Port Channel

  • Port priority-flow-control long-distance

PFC_LD config should be the same for all the members

  • Port channel LFC-PFC compat check fail

PFC of PC to be turned OFF when LFC is ON or LFC of PC to be default, to
add DCE member

  • CTS mode

Members must have the same CTS mode configured (either “cts manual” or “cts
dot1x” or no cts)

  • CTS SGT propagation

SGT propagation must either be enabled or disabled on all members

  • CTS SGT policy

Members must all have either “policy static” or “policy dynamic” or no
policy configured

  • CTS peer identity

Members must all have the same peer identity configured

  • CTS SGT configuration

Members must all have the same SGT configured

  • CTS replay protection

Replay protection must either be enabled or disabled on all members