3com 8807 Guia Do Utilizador

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HAPTER

 14: L

INK

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GGREGATION

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ONFIGURATION

During creating an aggregation group, if it already exists in the system but 
contains no member port, it changes to the new type. When you change a static 
LACP aggregation group to a manual one, LACP shall be disabled at the member 
ports automatically.

n 

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In the manual aggregation mode, ports working at different rates can be 
aggregated. Manual aggregation can be load balancing aggregation if the 
aggregation resource is available. In this case, if the traffic rate shared by a 
low-rate port exceeds the maximum rate of the port, packets may be lost.

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In the static aggregation mode, ports working at different rates can also be 
aggregated. However, the selected/standby state of statically aggregated ports 
is determined by the transmission rate. Only the ports with the maximum rate 
and in full-duplex mode can be selected to forward traffic, while other standby 
ports do not forward traffic.

You can add/delete ports into/from an aggregation group.

Perform the following configuration in the corresponding view.

Note that:

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You cannot add a mirrored port, a port configured with a static MAC address, a 
port with 802.1x enabled, or a VPN port into an aggregation group.

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You must delete the aggregation group, instead of the port, if the aggregation 
group contains only one port.

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When master port enables VLAN VPN, aggregation is permitted in the system. 
Because the link type of slave port will always keep same as that of master 
port. When both master port and slave have VLAN VPN disabled, aggregation 
is permitted in the system, it is average aggregation. After the port enabling 
VLAN VPN, aggregation is not permitted in the system, at the same time, the 
system will tell users that the slave port in the aggregation group conflict with 
the master port on VLAN VPN.

Table 88   Creating/deleting an aggregation group

Create an aggregation group 

link-aggregation group agg-id mode { manual | static } 

Delete an aggregation group 

undo link-aggregation group agg-id

Table 89   Adding/deleting an Ethernet port into/from an aggregation group

Add an Ethernet port into the aggregation 
group (Ethernet port view) 

port link-aggregation group agg-id 

Delete an Ethernet port from the aggregation 
port (Ethernet port view) 

undo port link-aggregation group 

Aggregate Ethernet ports (system view) 

link-aggregation interface-name1 to 
interface-name2 [ both ]