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Configuring Multi-chassis Link Aggregation Interaction with Other Features
OmniSwitch AOS Release 7 Network Configuration Guide June 2013 page 10-25
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There is no automatic correction of any UNP configuration inconsistency; it is up to the administrator
to ensure the necessary changes are made to bring the configuration back into synch between the two
MCLAG chassis.
•
When the UNP configuration is up and synchronized between the peer switches, disabling and
enabling all UNPs on MCLAG aggregates is recommended. Doing so will clear any transient MAC
addresses from the configuration.
•
Configuring a MCLAG VIP interface for a dynamic UNP VLAN is not allowed.
IPv4
Each multi-chassis peer needs to identify MCLAG VLANs from standard (non-MCLAG) VLANs to
manage multi-chassis operations for switch applications, including IP interfaces and services. This is done
through the use of a virtual IP VLAN (VIP VLAN). This type of VLAN provides the underlying LAN
infrastructure for the support of basic IP/Layer 3 services on a multi-chassis link aggregation group.
•
VIP VLANs support IPv4 interfaces to provide routing between MCLAG subnets and between
MCLAG subnets and other standard IP subnets. Configuring IPv6 interfaces is not supported.
•
The IP interfaces configured on a VIP VLAN have limited functionality. Routing protocols and VRRP
cannot be configured on such IP interfaces.
•
A VIP VLAN IP interface supports two types of IP address on the same interfaces: a virtual IP address
and a local management address.
•
A VIP VLAN IP interface is similar to a VRRP interface without master/backup and is configured the
same on both peers: same virtual IP address bound to the same VIP VLAN interface.
•
The VIP VLAN interface is the gateway for devices connected through the respective IP network.
mac learning port Mandatory Peer learns MAC. If MAC learning is disabled on the
local switch but not on the peer
switch, then the MAC may get
learned in the UNP and source
learning databases on the peer but
only in the UNP database on the
local switch.
QoS Commands
policy rule no default
policy list type unp Mandatory Peer will not learn
MAC if local switch
has policy list and peer
switch does not. Depends on whether or not a policy
list is configured for the UNP on
the peer. If so, then policy actions
may not get applied.
VLAN Commands
vlan admin-state disable Mandatory Peer learns MAC in a
forwarding state. Peer learns MAC in a forwarding
state.
no vlan Mandatory Peer will not learn
MAC. Peer will not learn MAC.
Command
Mandatory
or Optional
Not Configured on Peer
(Peer receives MAC
from local switch) Not Configured on Peer
(MAC ingresses on peer switch
MCLAG aggregate)