Výpis paketu s volbou IP Router Alert Option:

No.     Time        Source                Destination           Protocol Info
    504 415.939583  192.168.0.2           224.0.0.22            IGMP     V3 Membership Report

Frame 504 (54 bytes on wire, 54 bytes captured)
    Arrival Time: May 26, 2005 23:50:48.450069000
    Time delta from previous packet: 0.000692000 seconds
    Time since reference or first frame: 415.939583000 seconds
    Frame Number: 504
    Packet Length: 54 bytes
    Capture Length: 54 bytes
    Protocols in frame: eth:ip:igmp
Ethernet II, Src: 00:90:f5:2a:8b:82, Dst: 01:00:5e:00:00:16
    Destination: 01:00:5e:00:00:16 (01:00:5e:00:00:16)
    Source: 00:90:f5:2a:8b:82 (Clevo_2a:8b:82)
    Type: IP (0x0800)
Internet Protocol, Src Addr: 192.168.0.2 (192.168.0.2), Dst Addr: 224.0.0.22 (224.0.0.22)
    Version: 4
    Header length: 24 bytes
    Differentiated Services Field: 0xc0 (DSCP 0x30: Class Selector 6; ECN: 0x00)
        1100 00.. = Differentiated Services Codepoint: Class Selector 6 (0x30)
        .... ..0. = ECN-Capable Transport (ECT): 0
        .... ...0 = ECN-CE: 0
    Total Length: 40
    Identification: 0x0000 (0)
    Flags: 0x04 (Don't Fragment)
        0... = Reserved bit: Not set
        .1.. = Don't fragment: Set
        ..0. = More fragments: Not set
    Fragment offset: 0
    Time to live: 1
    Protocol: IGMP (0x02)
    Header checksum: 0x434f (correct)
    Source: 192.168.0.2 (192.168.0.2)
    Destination: 224.0.0.22 (224.0.0.22)
    Options: (4 bytes)
        Router Alert: Every router examines packet
Internet Group Management Protocol
    IGMP Version: 3
    Type: Membership Report (0x22)
    Header checksum: 0xf9f4 (correct)
    Num Group Records: 1
    Group Record : 224.0.0.9  Change To Exclude Mode
        Record Type: Change To Exclude Mode (4)
        Aux Data Len: 0
        Num Src: 0
        Multicast Address: 224.0.0.9 (224.0.0.9)