Port Trunking

Port Status and Configuration

“Up” Links

Standby Link

Figure 12-9. Example of a Dynamic LACP Trunk with One Standby Link

 

Using the CLI To Configure a Static or Dynamic Trunk Group

 

 

I m p o r t a n t

Configure port trunking before you connect the trunked links between

 

switches. Otherwise, a broadcast storm could occur. (If you need to connect

 

the ports before configuring them for trunking, you can temporarily disable

 

the ports until the trunk is configured. See “Using the CLI To Configure Ports”

 

on page 10-10.)

 

 

On the 2600, 2600-PWR, 4100gl and 6108 switches covered by this guide you can configure up to six port trunk groups having up to four links each (with additional standby links if you’re using dynamic LACP). On the 2800 switches covered by this guide you can configure up to 24 port trunk groups having up to 8 links each (with additional standby links if you’re using dynamic LACP). You can configure trunk group types as follows:

Trunk Type

Trunk Group Membership

 

TrkX (Static)

DynX (Dynamic)

 

 

 

LACP

Yes

Yes

Trunk

Yes

No

FEC

Yes

No

 

 

 

The following examples show how to create different types of trunk groups.

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