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Interface Name for Network Interface - ifindex

Greg Darby

Hi,

I am setting up Netflow Monitor to monitor traffic levels on our bunch of XGS Firewalls and unfortunately Netflow reports the discovered interfaces as ifindex(x).

What i am trying to find out is the easiest way i can identify what port is being referenced for say, ifindex10.

Any help much appreciated.

Cheers.



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    Hi,

    Thank you for reaching out to Sophos Community.

    To check the ifindex, use the command "ip link show" from the advanced shell. If you need to, apply a filter using grep. In the example below, I am filtering the output by interface UP.

    #ip link show | grep - E 'UP'
    10: Port2@mv-pcimux0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue group 0x02 nfmark 0x8001 nfmark6 0 nettype 0x02 state LOWERLAYERDOWN mode DEFAULT group default qlen 1000

    Filter by ifindex10

    #ip link show | grep -E '10'

    10: Port2@mv-pcimux0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue group 0x02 nfmark 0x8001 nfmark6 0 nettype 0x02 state LOWERLAYERDOWN mode DEFAULT group default qlen 1000

    1: ifindex | Port #


     

    Erick Jan
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