IEEE 802.3 LAG MIB
Use the IEEE 802.3 LAG MIB to monitor the status of aggregate groups that have Link Aggregation Control Protocol (ECMP) enabled. When the firewall logs LACP events, it also generates traps that are useful for troubleshooting. For example, the traps can tell you whether traffic interruptions between the firewall and an LACP peer resulted from lost connectivity or from mismatched interface speed and duplex values.
PAN-OS implements the following SNMP tables for LACP.
The dot3adTablesLastChanged object indicates the time of the most recent change to dot3adAggTable, dot3adAggPortListTable, and dot3adAggPortTable.
Aggregator Configuration Table (dot3adAggTable)
This table contains information about every aggregate group that is associated with a firewall. Each aggregate group has one entry.
Some table objects have restrictions, which the dot3adAggIndex object describes. This index is the unique identifier that the local system assigns to the aggregate group. It identifies an aggregate group instance among the subordinate managed objects of the containing object. The identifier is read-only.
The ifTable MIB (a list of interface entries) does not support logical interfaces and therefore does not have an entry for the aggregate group.
Aggregation Port List Table (dot3adAggPortListTable)
This table lists the ports associated with each aggregate group in a firewall. Each aggregate group has one entry.
The dot3adAggPortListPorts attribute lists the complete set of ports associated with an aggregate group. Each bit set in the list represents a port member. For non-chassis platforms, this is a 64-bit value. For chassis platforms, the value is an array of eight 64-bit entries.
Aggregation Port Table (dot3adAggPortTable)
This table contains LACP configuration information about every port associated with an aggregate group in a firewall. Each port has one entry. The table has no entries for ports that are not associated with an aggregate group.
LACP Statistics Table (dot3adAggPortStatsTable)
This table contains link aggregation information about every port associated with an aggregate group in a firewall. Each port has one row. The table has no entries for ports that are not associated with an aggregate group.
The IEEE 802.3 LAG MIB includes the following LACP-related traps:
The peer lost connectivity to the firewall.
The peer does not respond to the firewall.
LACP negotiation with the peer failed.
The link speed and duplex settings on the firewall and peer do not match.
An interface in the aggregate group is down.
An interface was removed from the aggregate group.
An interface was added to the aggregate group.
For the MIB definitions, refer to IEEE 802.3 LAG MIB.
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