Juniper SRX流配置

请确保设备配置如下:

forwarding-options {
sampling {
input {
family inet {
rate 1000;
run-length 9; 
max-packets-per-second 7000;
}
}
output {
cflowd <destination address>{
port ;
source-address <source address>;
version <version number>;
no-local-dump;
autonomous-system-type origin;
}
}
}
}

firewall

  • filter Sample-FILTER {
    • term ALLOW-ANY {
      • then {
        • sample;
        • accept;

要启用特定接口上的数据包采样来进行Flow包分析,请遵循以下示例配置:

interfaces {
ge-1/3/0 {
vlan-tagging;
unit 101 {
vlan-id 101;
family inet {
sampling {
input Sample-FILTER;
output Sample-FILTER;
}
address 206.80.253.26/25
}
}
}
}

要管理非托管接口和新接口来监控流量,请遵循以下路径:

点击设置-->NetFlow-->许可管理-->Netflow接口-->选择juniper设备的接口-->点击“管理”。

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