Netgear Switch M4100 User Manual Page 54

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Chapter 3. LAG s | 54
3
3. LAGs
Link Aggregation Groups
This chapter provides the following examples:
Create Two LAGs on page 55
Add Ports to LAGs on page 56
Enable Both LAGs on page 59
Link aggregation allows the switch to treat multiple physical links between two endpoints as a
single logical link.
All the physical links in a given LAG must operate in full-duplex mode at the
same speed. LAGs can be used to directly connect two switches when the traffic between them
requires high bandwidth and reliability, or to provide a higher-bandwidth connection to a public
network. Management functions treat a LAG as if it were a single physical port. You can include
a LAG in a VLAN. You can configure more than one LAG for a given switch.
Server
Subnet 3
Port 1/0/3
LAG_10
Port 1/0/2
LAG_10
Layer 3 Switch
Layer 2 Switch
Subnet 2 Subnet 3
Port 1/0/9
LAG_20
Port 1/0/8
LAG 20
Figure 6. Example network with two LAGs
LAGs offer the following benefits:
Increased reliability and availability
. If one of the physical links in the LAG goes down,
traffic is dynamically and transparently reassigned to one of the other physical links.
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