Cisco Cisco Packet Data Gateway (PDG)
System Settings
▀ Configuring ASR 5500 Link Aggregation
▄ ASR 5500 System Administration Guide, StarOS Release 17
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Horizontal Link Aggregation with Two Ethernet Switches
When a LAG contains two sets of ports each connecting to a different switch, the operator has the ability to specify the
slot/port (connected to the destination switch) when switching ports.
slot/port (connected to the destination switch) when switching ports.
The Exec mode link-aggregation port switch to slot/port command configures this option. The slot/port is any valid
port connected to the destination switch. The following criteria apply to the setting of this option:
port connected to the destination switch. The following criteria apply to the setting of this option:
slot/port must support LAG.
slot/port must be configured with LAG.
slot/port must not be already actively distributing
slot/port must have negotiated a link aggregation partner in standard mode.
slot/port's partner must have an equal or higher in standard mode.
slot/port's partner bundle must have equal or higher bandwidth in standard mode.
Switching to slot/port must not violate preference within hold-time in standard mode.
Link Aggregation Status
To check the status of link aggregation, use the following commands:
show port table
show port info
slot/port
A single character is used to display LAG physical port status in the output of the show port table command. See the
table below.
table below.
Table 6. LAG Port Status
Display
Description
LA+
Port is actively used for distributing.
LA-
Port failed to negotiate LACP.
LA~ (tilde)
Port negotiated LACP but another peer was selected.
LA*
Port is (re)negotiating LACP.