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RTM-ATCA-SXXX Overview
6806800H62B
ATCA‐S201 Installation and Use Guide
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4.8 Link aggregation and bonding
The ATCA-S201 supports 802.3ad link aggregation also known as “bonding”.
Bonding allows you to aggregate multiple Ethernet ports into a single group,
effectively combining the bandwidth into a single connection. For example, you can
aggregate the ATCA base channel ports (1 Gb/s each) into a trunk group, providing
aggregate the ATCA base channel ports (1 Gb/s each) into a trunk group, providing
2Gb/s cumulative bandwidth, fault tolerance and load balancing.
Bond0
Eth0
Eth1
Switch 1
Switch 2
Base channel bonding
example
example
Bond0
Eth0
Eth1
Base channel
bonding
Host
Storage
Blade
Blade
Host Blade
The Linux bonding driver provides the ability to group ports,
detect link failures and reroute traffic to the surviving ports in
a manner transparent to the storage participants.
detect link failures and reroute traffic to the surviving ports in
a manner transparent to the storage participants.
Figure 10 Link aggregation 802.3ad (bonding), theory of operation