[ danilo.s @ 11.04.2004. 20:43 ] @
Od pre nekoliko dana imam konstantan protok od jedno 2KB/s preko kablovskog modema. Skinuo sam neki packet sniffer i on kaže sledeće: Packet #4851, Direction: Pass-through, Time:21:27:59.466, Size: 60 Ethernet II Destination MAC: FF:FF:FF:FF:FF:FF Source MAC: 00:08:20:CF:CC:8C Ethertype: 0x0806 (2054) - ARP ARP Hardware: 0x0001 (1) - Ethernet Protocol: 0x0800 (2048) - IP Hardware address length: 0x06 (6) Protocol address length: 0x04 (4) Operation: 0x0001 (1) - ARP Request Sender MAC address: 00:08:20:CF:CC:8C Sender IP address: 10.1.0.2 Target MAC address: 00:00:00:00:00:00 Target IP address: 10.1.80.206 Raw Data: 0x0000 FF FF FF FF FF FF 00 08-20 CF CC 8C 08 06 00 01 .. ╧╠î.... 0x0010 08 00 06 04 00 01 00 08-20 CF CC 8C 0A 01 00 02 ........ ╧╠î.... 0x0020 00 00 00 00 00 00 0A 01-50 CE 00 00 00 00 00 00 ........P╬...... 0x0030 00 00 00 00 00 00 00 00-00 00 00 00 ............ Svi su paketi uglavnom takvi, mada se target adrese razlikuju. Sve su oblika 10.1.x.x, što će reći iz onog opsega koji se ne vidi spolja. Ima i par ovakvih: Packet #6829, Direction: Pass-through, Time:21:28:50.820, Size: 344 Ethernet II Destination MAC: FF:FF:FF:FF:FF:FF Source MAC: 00:08:20:CF:CC:8C Ethertype: 0x0800 (2048) - IP IP IP version: 0x04 (4) Header length: 0x05 (5) - 20 bytes Type of service: 0x00 (0) Precedence: 000 - Routine Delay: 0 - Normal delay Throughput: 0 - Normal throughput Reliability: 0 - Normal reliability Total length: 0x014A (330) ID: 0xD666 (54886) Flags Don't fragment bit: 0 - May fragment More fragments bit: 0 - Last fragment Fragment offset: 0x0000 (0) Time to live: 0xFF (255) Protocol: 0x11 (17) - UDP Checksum: 0xA392 (41874) - correct Source IP: 192.168.128.1 Destination IP: 255.255.255.255 IP Options: None UDP Source port: 67 Destination port: 68 Length: 0x0136 (310) Checksum: 0x491E (18718) - correct DHCP Op code: 0x02 (2) - BOOTREPLY Hardware address type: 0x01 (1) - Ethernet Hardware address length: 0x06 (6) Hops: 0x01 (1) Transaction ID: 0xD3D0B2C3 (3553669827) Seconds: 0x0011 (17) Flag: 0x8000 (32768) - Broadcast Client IP: 0.0.0.0 'Your' IP: 192.168.170.115 Next server IP: 192.168.1.2 Relay agent IP: 192.168.128.1 Client hardware address: 00:0A:73:9D:B7:A0 Server hostname Boot file name: 192.168.170cm-128.cfg Options Magic cookie: 63 82 53 63 - correct Message type: 0x000002 (2) - DHCPOFFER Server identifier: 192.168.1.2 Lease time: 0x002BD2C0 (2872000) Subnet mask: 255.255.255.0 Routers Router: 192.168.170.1 Time servers Time server: 192.168.170.1 Renewal (T1) Time Value: 0x0015E960 (1436000) Rebinding (T2) Time Value: 0x00265868 (2513000) Raw Data: 0x0000 FF FF FF FF FF FF 00 08-20 CF CC 8C 08 00 45 00 .. ╧╠î..E. 0x0010 01 4A D6 66 00 00 FF 11-A3 92 C0 A8 80 01 FF FF .J╓f.. .úÆ└¿Ç. 0x0020 FF FF 00 43 00 44 01 36-49 1E 02 01 06 01 D3 D0 .C.D.6I.....╙╨ 0x0030 B2 C3 00 11 80 00 00 00-00 00 C0 A8 AA 73 C0 A8 ▓├..Ç.....└¿¬s└¿ 0x0040 01 02 C0 A8 80 01 00 0A-73 9D B7 A0 00 00 00 00 ..└¿Ç...s¥╖á.... 0x0050 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0060 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0070 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0080 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0090 00 00 00 00 00 00 31 39-32 2E 31 36 38 2E 31 37 ......192.168.17 0x00A0 30 63 6D 2D 31 32 38 2E-63 66 67 00 00 00 00 00 0cm-128.cfg..... 0x00B0 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x00C0 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x00D0 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x00E0 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x00F0 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0100 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................ 0x0110 00 00 00 00 00 00 63 82-53 63 35 01 02 36 04 C0 ......céSc5..6.└ 0x0120 A8 01 02 33 04 00 2B D2-C0 01 04 FF FF FF 00 03 ¿..3..+╥└.. .. 0x0130 04 C0 A8 AA 01 04 04 C0-A8 AA 01 3A 04 00 15 E9 .└¿¬...└¿¬.:...Θ 0x0140 60 3B 04 00 26 58 68 00-00 00 00 00 00 00 00 00 `;..&Xh......... 0x0150 00 00 00 00 00 00 00 FF- ....... U principu sve ovo mi ne smeta jer transfer ide normalno, samo je ukupan transfer rate sada veći nego što je bio, oko 9 KB/s prema DU Monitor. Ipak, ne dopada mi se što se nešto promenilo tako odjednom. Plus što mi poremećuje statistiku. :) Ako neko ima objašnjenje, bio bih mu zahvalan. |