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Cisco ONS 15454 and Cisco ONS 15454 SDH Ethernet Card Software Feature and Configuration Guide, R8.0
Chapter 10 Configuring Link Aggregation
Configuring EtherChannel
Port channel connections are fully compatible with IEEE 802.1Q trunking and routing technologies.
IEEE 802.1Q trunking can carry multiple VLANs across a port channel.
Each ML100T-12, ML100X-8, or ML1000-2 card supports one POS channel, a port channel made up of
the two POS ports. A POS channel combines the two POS port capacities into a maximum aggregate
capacity of STS-48c or VC4-16c.
Each ML100T-12 supports up to six FECs and one POS channel. Each ML100X-8 supports up to four
FECs and one POS channel. A maximum of four Fast Ethernet ports can bundle into one Fast Ethernet
Channel (FEC) and provide bandwidth scalability up to 400-Mbps full-duplex Fast Ethernet.
Each ML1000-2 supports up to two port channels, including the POS channel. A maximum of two
Gigabit Ethernet ports can bundle into one Gigabit Ethernet Channel (FEC) and provide 2-Gbps
full-duplex aggregate capacity on the ML1000-2.
Caution
The EtherChannel interface is the Layer 2/Layer 3 interface. Do not enable Layer 3 addresses on the
physical interfaces. Do not assign bridge groups on the physical interfaces because doing so creates
loops.
Caution
Before a physical interface is removed from an EtherChannel (port channel) interface, the physical
interface must be disabled. To disable a physical interface, use the shutdown command in interface
configuration mode.
Note
Link aggregation across multiple ML-Series cards is not supported.
Note
Policing is not supported on port channel interfaces.
Note
The ML-Series does not support the routing of Subnetwork Access Protocol (SNAP) or Inter-Switch
Link (ISL) encapsulated frames.
Configuring EtherChannel
You can configure an FEC or a GEC by creating an EtherChannel interface (port channel) and assigning
a network IP address. All interfaces that are members of a FEC or a GEC should have the same link
parameters, such as duplex and speed.
To create an EtherChannel interface, perform the following procedure, beginning in global configuration
mode:
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