Link Aggregation

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Linux Link Aggregation

ihave three link of internet and iwant to put one linux front of a firewall that this three linux speard firewall such az load balance and fialover but dont close any port and protocol and only firewall have been internet what way can i use for it ?
are there any script and services do that Such as stable ?
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flow-send(1)						      General Commands Manual						      flow-send(1)

flow-send -- Transmit flow data with the NetFlow protocol. SYNOPSIS
flow-send [-h] [-d debug_level] [-m privacy_mask] [-s] [-x xmit_delay] [-V pdu_version] localip/remoteip/port DESCRIPTION
The flow-send utility is used to transmit flows in NetFlow format to a collector specified by localip/remoteip/port. OPTIONS
-d debug_level Enable debugging. -h Display help. -s Enable spoofing of source IP address. -m privacy_mask Apply privacy_mask to the source and destination IP address of flows. For example a privacy_mask of would convert flows with source/destination IP addresses and to and respectively. -V pdu_version Use pdu_version format when transmitting. 1 NetFlow version 1 (No sequence numbers, AS, or mask) 5 NetFlow version 5 6 NetFlow version 6 (5+ Encapsulation size) 7 NetFlow version 7 (Catalyst switches) 8.1 NetFlow AS Aggregation 8.2 NetFlow Proto Port Aggregation 8.3 NetFlow Source Prefix Aggregation 8.4 NetFlow Destination Prefix Aggregation 8.5 NetFlow Prefix Aggregation 8.6 NetFlow Destination (Catalyst switches) 8.7 NetFlow Source Destination (Catalyst switches) 8.8 NetFlow Full Flow (Catalyst switches) 8.9 NetFlow ToS AS Aggregation 8.10 NetFlow ToS Proto Port Aggregation 8.11 NetFlow ToS Source Prefix Aggregation 8.12 NetFlow ToS Destination Prefix Aggregation 8.13 NetFlow ToS Prefix Aggregation 8.14 NetFlow ToS Prefix Port Aggregation 1005 Flow-Tools tagged version 5 -x xmit_delay Configure a microsecond transmit delay between packets. This may be necessary in some configurations to prevent a transmit buf- fer overrun. EXAMPLES
Transmit all flows in the directory /flows/krc4 to the collector at listening on port 9500. flow-cat /flows/krc4 | flow-send 0/ Generate a test pattern of version 7 flows and send them to a collector at listening on port 9500. flow-gen -V7 | flow-send 0/ BUGS
It is not currently possible to convert between the aggregated formats (8.x) and the non aggregated formats (1,5,6,7). AUTHOR
Mark Fullmer SEE ALSO
flow-tools(1) flow-send(1)

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