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发表于 2011-1-31 22:20:56
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就借宝地一用了,为了更进一步弄清这个RG200E-AB的工作原理,我把iptv机顶盒接在iTV口,然后在RG200E的WAN口接一台带tcpdump的上网本:tcpdump -vvv -XX -l -e -i eth1
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采集到3种包:无vlan tag的pppoe(这个应该是宽带上网的pppoe拨号), vlan tag为46的DHCP请求(无vendor option,应该是那个所谓的管理端口),vlan tag为85的DHCP请求(有vender option,应该是iptv盒子发出来的,好些格式出了vlan tag其它和我昨天直接在iptv eth口采集到的一样)' Y. E3 x9 z3 ~. E/ x# @9 s* [: b
22:05:47.791669 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]
. K) R) ~& |% P$ F 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..# ]7 F8 A) ]( Z. z
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
& D, N9 f5 r0 v 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
7 L/ L& p/ v+ K% d0 ^2 D8 u 0x0030: 0000 0000 0000 0000 0000 0000 ............5 h @+ c" F7 D& S
22:05:47.791865 b4:41:7a:0e:0b:00 (oui Unknown) > 00:90:1a:a2:da:2a (oui Unknown), ethertype PPPoE D (0x8863), length 60: PPPoE PADT [ses 0x221] [Host-Uniq 0x00488008] [Service-Name]/ D+ `& {1 M$ ?9 U, r5 ~9 i3 d7 M) _* i7 F
0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..
& r' p; }5 r& Z9 ~ 0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H......6 V0 i E; n' X( l' |
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
g! W- C, b/ `$ E 0x0030: 0000 0000 0000 0000 0000 0000 ............2 `2 v3 H9 R7 [* t; N) v; L9 C9 i
22:05:50.795926 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Host-Uniq 0x00488008] [Service-Name]
/ o. q _7 }0 Q0 `3 ?( M' S- a 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
& m, s. x( q/ R7 {: P* C 0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......+ N. ?8 E4 x, p: W5 }
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................9 N7 d( ~* N9 N
0x0030: 0000 0000 0000 0000 0000 0000 ............9 b; ?- z ]8 u! l8 S8 e
22:05:52.380082 00:15:eb:6a:a4:b7 (oui Unknown) > Broadcast, ethertype 802.1Q (0x8100), length 594: vlan 85, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 17589, offset 0, flags [none], proto UDP (17), length 576)
' D5 N9 N, `) o! g 0.0.0.0.bootpc > 255.255.255.255.bootps: [udp sum ok] BOOTP/DHCP, Request from 00:15:eb:6a:a4:b7 (oui Unknown), length 548, xid 0xdf11aa19, Flags [none] (0x0000)
& G2 n. [: [6 n+ J6 {/ R Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)
: k+ Z5 u1 d1 l! I( A Vendor-rfc1048 Extensions J. B2 K% ?! o5 R8 j' V
Magic Cookie 0x63825363: C" c% C; a6 P
DHCP-Message Option 53, length 1: Discover9 o9 s" i% s6 t6 ^; J
Parameter-Request Option 55, length 8:
6 l' [& o" {; q1 T9 _ Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
* ^# W2 o+ }+ t% ^. p Domain-Name, BR, Router-Discovery, Static-Route" L% U5 n# |0 E! ]% H
Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7"
( ]! }) `7 X! } Vendor-Class Option 60, length 53: "^@^@^_1^A%!M-x!M-Y^L^@<M-5D^@^@^@^@^@^@M-YM-xM-vJM-{M-p^PM-S M-^I^GM-|M-^JM-RWM-[M-lM->?M-;M-gM-@^]M-j^OM-^YM-'^AM-@M-^_sb"$ _% x) X* t8 E( Y* p0 y
END Option 255, length 0
2 H' o- n3 U% j$ Y1 H3 y6 q/ _3 F PAD Option 0, length 0, occurs 205
( _+ V* ?* z M! g0 w) | 0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U7 x' s8 ~: r' x, p0 O: @6 l7 x
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...
; K- N }7 d# S0 K- v 0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....
g/ D5 s' g/ S- m/ b 0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................! f! t# Y5 D! u# Q- L1 u2 d
0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..7 G" O* @6 h) n- o' m9 Z
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................) N: t- p {' A/ l& o
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 [. [1 c% z" j! X. u: b! [
0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................4 C7 a! @3 H! `( |, j* W2 M
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 E$ K2 _1 v0 T; ~2 n; _ 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
# p7 e. O [+ C4 \) L6 t- j) `. } 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" }# S+ \: f3 B' z' K 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................6 ~- P" U7 s9 l! q) W0 g2 `9 o
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................) g+ X- m) W* k/ j
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 |& r8 N( ]0 o 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................) Q0 _. s/ d, |
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
4 M s' {3 w7 W8 A; ], A 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................6 C D# q# K! N" p; Q
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.% w; f. g8 o7 |. L) u
0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea1
4 l1 X9 x0 o7 ~, \ 0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 0010000000040000
3 z# R4 D$ G8 R0 K- J 0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.
' ?5 s n% c" Y- G6 w7 N6 T& X 0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..7 N- w# m E* z/ p8 w0 ^( f
0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........2 V! E, ?0 T+ p: r
0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........* ~0 _8 S1 ?* E. J
0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............
, V( g* h. ?; [) ~# z" z6 _ 0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................# R L1 e5 W) J4 ^8 V
0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 a9 w: ` V% i4 s" h 0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 x) Y7 u$ |1 \
0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
4 F) Q& ^9 ?3 I2 Y9 [' R$ } 0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ O/ X' j0 T0 P" z& i& a 0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 V, ?5 J e/ u8 ?4 b
0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................' o+ W) D5 p2 y% j0 J1 ?
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................, z5 | _9 f9 M$ h1 Y! J8 }7 F% g+ _
0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ ?7 R: c& z0 F! x& ~1 p- s% z8 k 0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 e2 }& E' G% \' i
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................
) y( O% D3 ]* O4 @* }7 c7 v( P1 o 0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................
6 z% r& ^0 u' _* i( _7 n! t 0x0250: 0000 ..
0 ~/ Q9 l- d. a- s2 L! B22:05:52.803210 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]
# t F/ Z$ @5 F! b Q) P+ \# Z 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
7 S) M& N% V" q. j 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H.. X$ r0 k6 ~* ~ |
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" q9 p/ U q! s- G 0x0030: 0000 0000 0000 0000 0000 0000 ............( ^+ _2 y4 R: W/ F( G3 |. L
22:05:54.385241 b4:41:7a:0e:0b:02 (oui Unknown) > Broadcast, ethertype 802.1Q (0x8100), length 298: vlan 46, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 280)* P- w! o0 Z9 |8 o+ U3 k" x: m
0.0.0.0.bootpc > 255.255.255.255.bootps: [udp sum ok] BOOTP/DHCP, Request from b4:41:7a:0e:0b:02 (oui Unknown), length 252, xid 0x12a01185, Flags [none] (0x0000)
. A' e' r; y! Z$ E& x Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown), |9 V+ V) ~' E! ~
Vendor-rfc1048 Extensions6 `$ G$ v) E1 D' m; g; M6 M7 K9 b" R
Magic Cookie 0x638253637 Z/ e/ T5 I2 p, o
DHCP-Message Option 53, length 1: Discover
1 M* {- _1 R( b+ k& j- R Parameter-Request Option 55, length 6: & |% Q# Z; o% u. |7 }
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname# S3 F5 g! E; J
Domain-Name, BR$ ?- U* R& E& U; R# A; h/ O
END Option 255, length 0
0 z4 e" d9 o8 Q9 N: j 0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az........ G8 ~6 U; D8 N, Y- h& M' c
0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y.../ b6 P- a9 E; s t: B$ i4 p5 D
0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y...
& }% N+ ~0 H9 v7 V! I. N 0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................
' J/ I" ?# u, N% W8 @6 s& `; t 0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az..." s1 A$ y+ R8 f/ @
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
Y4 ~, G5 P' C' z( j. x 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................6 T+ z7 t5 r) ~5 z1 m
0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
6 ~4 N4 h- F2 B4 |, E 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ B5 g, h$ S1 g- J8 R, e 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
# Y( j3 d3 o$ C& B& C* f% F 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................& s: b7 B: p- j5 ? H3 A! H
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................* J o" z+ r, f. c1 }; `
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................1 r4 J( S' N/ A! L7 O$ H
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................, A3 n+ D# u h2 W
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................6 i$ y: `9 S( |# O5 ^2 U( Q
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................9 ]: y: g2 j: E i0 k8 i* ^
0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
7 ~( }8 ]# f( K5 v u 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.
5 h) M: h8 _7 t* i 0x0120: 0137 0601 0306 0c0f 1cff .7........
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