What is this phenomenon? Based on the pic below.
Frame 1: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8 :00 (00:17:0f : 97:b8:00), Dst : 43:6f : 67 : 65 : 6e : 74 (43:6f :67:65 : 6e : 74) Internet Protocol version 4, Src: 72. 52. 8. 201 (72. 52.8.201), Dst: 128.145.7.4 (128.145.7.4) Transmission control Protocol, Src Port : 80 (80), DSt Port: 11276 (11276), seq:0, Ack: 1. Len: 0- Frame 14: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8 :00 (00:17:0f :97:b8:00), Dst : 43:6f :67:65:6e : 74 (43:6f :67:65 : 6e : 74) Internet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), DSt : 128.145.7.4 (128.145.7.4) Transmission control Protocol, Src Port: 80 (80), Dst Port: 11276 (11276), Seq: 0, Ack: 1, Len: o a Frame 18: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, Src: Cisco-97:b8:00 (00:17:0f : 97 : b8:00), Dst : 43:6f : 67:65:6e:74 (43:6f : 67:65:6e : 74) Internet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), Dst: 128. 145.7.4 (128.145.7.4) Transmission control Protocol, Src Port: 80 (80), Dst Port: 11276 (11276), Seq : , Ack: 1, Len: 0 Frame 88: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8:00 (00:17:0f : 97 :b8 :00), Dst : 43:6f : 67 : 65 : 6e : 74 (43:6f : 67:65 : 6e : 74) !nternet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), DSt: 128. 145.7.4 (128.145.7.4) transmission Control Protocol, SrC Port: 80 (80), Dst Port: 11276 (11276), Seq: 145014363, Ack: 1, Len: 0 Frame 1: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8 :00 (00:17:0f : 97:b8:00), Dst : 43:6f : 67 : 65 : 6e : 74 (43:6f :67:65 : 6e : 74) Internet Protocol version 4, Src: 72. 52. 8. 201 (72. 52.8.201), Dst: 128.145.7.4 (128.145.7.4) Transmission control Protocol, Src Port : 80 (80), DSt Port: 11276 (11276), seq:0, Ack: 1. Len: 0- Frame 14: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8 :00 (00:17:0f :97:b8:00), Dst : 43:6f :67:65:6e : 74 (43:6f :67:65 : 6e : 74) Internet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), DSt : 128.145.7.4 (128.145.7.4) Transmission control Protocol, Src Port: 80 (80), Dst Port: 11276 (11276), Seq: 0, Ack: 1, Len: o a Frame 18: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, Src: Cisco-97:b8:00 (00:17:0f : 97 : b8:00), Dst : 43:6f : 67:65:6e:74 (43:6f : 67:65:6e : 74) Internet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), Dst: 128. 145.7.4 (128.145.7.4) Transmission control Protocol, Src Port: 80 (80), Dst Port: 11276 (11276), Seq : , Ack: 1, Len: 0 Frame 88: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) Ethernet 11, src: cisco-97:b8:00 (00:17:0f : 97 :b8 :00), Dst : 43:6f : 67 : 65 : 6e : 74 (43:6f : 67:65 : 6e : 74) !nternet Protocol version 4, Src: 72.52.8.201 (72.52.8.201), DSt: 128. 145.7.4 (128.145.7.4) transmission Control Protocol, SrC Port: 80 (80), Dst Port: 11276 (11276), Seq: 145014363, Ack: 1, Len: 0
