| Link Aggregation Commands
C
29
HAPTER
port channel load-
balance
All ports in a trunk must be configured in an identical manner, including
◆
communication mode (i.e., speed and duplex mode), VLAN
assignments, and CoS settings.
Any of the Gigabit ports on the front panel can be trunked together,
◆
including ports of different media types.
All the ports in a trunk have to be treated as a whole when moved
◆
from/to, added or deleted from a VLAN via the specified port-channel.
STP, VLAN, and IGMP settings can only be made for the entire trunk via
◆
the specified port-channel.
Dynamically Creating a Port Channel –
Ports assigned to a common port channel must meet the following criteria:
◆
Ports must have the same LACP system priority.
Ports must have the same port admin key (Ethernet Interface).
◆
If the port channel admin key
◆
when a channel group is formed (i.e., it has the null value of 0), this
key is set to the same value as the port admin key
Ethernet Interface) used by the interfaces that joined the group.
However, if the port channel admin key is set, then the port admin key
◆
must be set to the same value for a port to be allowed to join a channel
group.
If a link goes down, LACP port priority is used to select the backup link.
◆
This command sets the load-distribution method among ports in
aggregated links (for both static and dynamic trunks). Use the no form to
restore the default setting.
S
YNTAX
port channel load-balance {dst-ip | dst-mac | src-dst-ip |
src-dst-mac | src-ip | src-mac}
no port channel load-balance
dst-ip - Load balancing based on destination IP address.
dst-mac - Load balancing based on destination MAC address.
src-dst-ip - Load balancing based on source and destination IP
address.
src-dst-mac - Load balancing based on source and destination
MAC address.
src-ip - Load balancing based on source IP address.
src-mac - Load balancing based on source MAC address.
D
S
EFAULT
ETTING
src-dst-ip
– 846 –
(lacp admin key
- Port Channel) is not set
(lacp admin key
-