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Link Aggregation

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KAD79 edited this page Oct 22, 2013 · 14 revisions

Starting with firmware version Asuswrt-Merlin 3.0.0.4.374.33 bonding.ko Driver is included in the firmware.

There are several modes which should be possible.

  1. balance-rr or 0
  2. active-backup or 1
  3. balance-xor or 2
  4. broadcast or 3
  5. 802.3ad or 4
  6. balance-tlb or 5
  7. balance-alb or 6

The only mode that has been tested is 802.3ad

NIC bonding in mode 802.3ad achieves 2 goals.

  1. Increased Throughput
  2. Failover Protection

But requires either a Switch/PC/NAS which also supports Link Aggregation.

To Simplify setup and management a small shell script has been created.

Which can be downloaded, future firmware versions will include a copy of this script.

LinkAgg

Usage is as follows.

    ----  Link Aggregation Version 1.3 Help  ----
Dynamically enable Link Aggregation using 802.3ad
802.3ad requires a Switch/PC/NAS which...
also supports 802.3ad to function correctly
Usage: /path/to/LinkAgg <port> <port>
Example: /path/to/LinkAgg 3 4
Only 2 ports are currently supported
    --- Special Flags ---
Help: -h or --help
Status: -s or --status
Delete: -d or --delete
Version: -v or --version

To Make the Configuration persistent across reboots.

  1. Enable JFFS partition

  2. Edit /jffs/scripts/services-start to call the script at each boot

/Path/to/LinkAgg 3 4

Additional Notes.

Any additional configuration can be done manually in the services-start script

The Script above will use the sysfs driver because it does not require any additional packages.

Optionally users can choose to install entware - ifenslave package.

*** entware is for MIPS based routers only ***

More Info Here http://forums.smallnetbuilder.com/showthread.php?t=12735

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