CCNP—Flexible_Netflow

Configuration

en
cont f
    # 1. 定義收集哪些欄位
    flow record REC1
        match ipv4 source address
        match ipv4 destination address
        collect counter bytes
        collect counter packets

        exit

    # 2. 定義送出方式
    flow exporter EXP1
        destination 192.168.1.10
        transport udp 2055

        exit

    # 3. 綁定 record 與 exporter
    flow monitor M1
        record REC1
        exporter EXP1

        exit

    # 4. 綁定介面
    int e 0/0
        ip flow monitor name_1 flow input
        ip flow monitor name_1 flow output

        exit
    end
wr

Check

# 顯示 NetFlow 匯出狀態
1.確認匯出是否正確
show ip flow [interface/export]

2.檢查收集到的 Flow
show flow monitor [name] [cache]

3.檢查 Exporter 狀態
show flow exporter

4.檢查 Record 狀態
show flow record