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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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$ j. n1 r4 Z) p# f6 x3 W! G, p2 R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)3 D* q; l* V" @( A! a: `4 P2 n
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]' t! H' m9 T# D0 W. b. @
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
+ G% G* w$ j; F, ?7 C9 d; P1 \( I9 T 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
: a! o# h/ u/ V% J. B( w: o 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................- u. @3 h D0 V! h/ ~! i! {
0x0030: 0000 0000 0000 0000 0000 0000 ............
( g) a, p0 e" c, |" t6 J( y22:05:47.791865 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]0 k* c( c4 m, C: I, n0 I
0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..
) V; V2 J. t" J. n# C6 h" I' ?* ^ 0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H......
, C v Z# x$ e' F5 J. W1 d 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 `5 B8 [0 m" t" I' j c
0x0030: 0000 0000 0000 0000 0000 0000 ............
* t- M1 y+ f% ?; P7 C1 ^% d* p' g. I1 j22:05:50.795926 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Host-Uniq 0x00488008] [Service-Name]3 ]% I, I7 D" j' q$ g/ N$ U4 [
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..1 Q1 z; g7 `8 u; K# Q7 K
0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......- \! L; p* K& j9 s! B
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................3 Y/ N: O) y% E1 M
0x0030: 0000 0000 0000 0000 0000 0000 ............
$ H! s" z" E2 g+ q6 ]* ~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)' x6 h F: f* [% q3 G9 P
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)
" x- O+ ~' |4 y: j+ E. Q Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)+ {, Y9 S( J. y6 ^8 s
Vendor-rfc1048 Extensions: \: Z# i1 R# A0 d" Q8 q" s6 k, N# Q1 y
Magic Cookie 0x63825363
R! E" j/ r, K! I: { DHCP-Message Option 53, length 1: Discover
Z- P5 B$ T$ \, w0 N3 _' g Parameter-Request Option 55, length 8: " R% j. l/ @$ b& ^
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname4 q/ C" b1 e) L# Z4 ?2 k4 X# Q
Domain-Name, BR, Router-Discovery, Static-Route; b/ n% U1 u0 E% ~8 L
Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7"' a% X ]6 [! `" ` {% P3 v
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"; V' p$ @1 O3 e% L2 m
END Option 255, length 02 [6 ^3 }% \, I. j9 ^ p
PAD Option 0, length 0, occurs 205, k1 Y5 i- h2 q- R. f! h
0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U1 M( b; X. r$ a! B9 L" n0 Q4 ~
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...
4 {+ w2 _# d1 S% J+ C$ M. ^ 0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....4 C p- z6 w$ {9 G& ]8 `
0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................. s) H: P( }6 z, K" c5 a
0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..2 M2 Z5 j8 D9 r! m
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 F! W! ~! |. i) P$ g
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 y7 }+ d6 z$ P. m9 T5 c) S7 ~" p 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 T0 U% p9 p8 g# R8 Q. i& h# j
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................! ^* s$ z# I' c5 A/ m% _; z1 o
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................' j: }& U/ d. }% r6 R
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................% {' H3 }8 e+ b: Z2 w
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ y ^3 U' U5 K) B7 k/ ^ 0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 K8 d5 D$ D. L' \ 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................( J0 o, H- s+ G6 J! u3 N+ F' _
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
, g. Y8 W" F. ?$ u 0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
2 V$ I' t( s' I! } 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
7 p5 Y# o9 \/ h( r, v8 ^; N# w 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.
3 R2 [8 ]: L% S4 ~7 M 0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea1( E: P3 G# w4 _6 ?5 Z. b
0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 0010000000040000
* e1 e+ s ], U 0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.
. l' A+ R% ^2 E/ Z 0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..
) \2 ?5 B2 n, ~( E 0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........) L9 ~$ i, \" O3 ^( n
0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........4 [) A( d( N6 _! O9 @) n
0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............8 l4 N! o, ^ f# B
0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................
2 t2 K/ N- a% b9 [8 { 0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 P$ U; Y% h D' h* A% F; k
0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% X* Z B! c/ ^) } 0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
9 P5 |$ ^4 N* v6 y7 T) w 0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................% | c4 L) a" _) d7 k- V9 G
0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................8 c/ E4 q; h. k/ n
0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 M0 N8 Y& A) Y1 j: V$ d$ n
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................. b8 H5 `. }- i) X
0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................
: w6 S5 P8 C8 v- d: D* C0 |; V 0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................) H- p% I+ A1 s2 x0 c9 @
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 N8 h7 F- I7 O* e" n: S+ f3 M 0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................: X0 i% b& V' k, Z
0x0250: 0000 ..( a1 b: E. i3 {6 p; s8 H' ^
22:05:52.803210 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]& G3 k" u M5 E v7 w
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..: [. @1 v1 m% Q [2 ^& y1 P
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
4 K2 H) i. L: ^7 T( F+ V0 Z 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................1 B$ k1 }6 y1 t8 h% b G
0x0030: 0000 0000 0000 0000 0000 0000 ............
+ e# H* H" y# d2 S: ]' W, O: C22:05:54.385241 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)+ i" o1 M! X" i0 | T5 g9 o* f
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)9 J5 z) F' g: ]4 k
Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)2 R+ [# q: W6 g) k: B. K9 Y! U
Vendor-rfc1048 Extensions, J; j2 G* ^7 F; D/ L
Magic Cookie 0x63825363- W: d- B# E4 L0 }& z) l
DHCP-Message Option 53, length 1: Discover! }3 K! s5 t; ]
Parameter-Request Option 55, length 6: % f5 I# W, E7 I- w. Z" N
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname4 a3 ^2 w2 L( [2 `+ K) `
Domain-Name, BR" ]0 c, D: ]9 ?
END Option 255, length 08 T) j+ } U; U2 Q
0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......
3 t! z- ~; ?; }. O* F 0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...5 e: v k( o7 b1 @6 t9 ~
0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y.... l! y: h% U q) H5 V- w% C8 z2 U
0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................
5 @( t, x" e9 T; `% H; ~ 0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az...
4 d2 |8 B$ C5 k 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
: d) H5 Z8 \# e: Q( @9 } 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 I; k+ V5 c1 f8 Z2 @' A9 c
0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 ~1 a! F9 Z$ B; T- H 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ Y% U. o6 o, d/ A 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
! R4 O( V/ Z. [* r) J8 M2 ? 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
2 @" ^5 {4 H# O V! s, a 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................; l/ f; `8 L: V" h( ]2 L3 k' j
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ R/ j8 V8 D, H" L9 c5 ?' B& d 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 X) t( N9 N. y1 G& o/ x0 ?' N 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- w: U+ T# P3 I2 s' L 0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
q) [+ W8 c( i, f% T. r 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
; Z# T- d8 B+ Y; e a, F 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.0 g# T9 s9 j. x# W5 h$ A+ k# s
0x0120: 0137 0601 0306 0c0f 1cff .7........
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