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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), H% I$ E) D! C( Q9 W
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]1 a: g( Y# S$ N# s6 k; X7 u
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..6 p0 ]' i6 L/ ^: i
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..& x9 `1 Y, Z8 u v3 K* T5 \' ~0 v3 ^
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................8 s, ` G6 v2 T; y' E
0x0030: 0000 0000 0000 0000 0000 0000 ............
) E/ I2 B( ?; v1 g/ u' k$ i `8 p22:05:47.791865 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]: I' K3 Q3 s+ k2 ~! e: a' I& M
0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..$ R, \0 b8 P0 a/ a
0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H......9 ~: W. T- P6 f9 L; g( T
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................3 x% h- Q6 P& g2 H0 N5 }
0x0030: 0000 0000 0000 0000 0000 0000 ............
5 m6 M) h" ~, c5 Y- Y& I y22:05:50.795926 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Host-Uniq 0x00488008] [Service-Name]$ R( i6 B4 Q1 s+ F( r
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
4 F4 ]; s4 U4 s 0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......6 @! A3 Q! T+ Z
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................+ s) E5 y0 @) z/ e) ]7 ^
0x0030: 0000 0000 0000 0000 0000 0000 ............5 @+ }( }* i, ?7 m7 A0 X
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)& S% w7 D! P3 C2 s J$ I
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)
7 `# R; x& Z1 c Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)# v$ G% e6 A; s0 B
Vendor-rfc1048 Extensions5 s: m/ `/ l7 ~7 V4 x
Magic Cookie 0x63825363% K% n( J" ?* m8 J; B6 N
DHCP-Message Option 53, length 1: Discover: K# |; X# J. R% I& P% n5 m
Parameter-Request Option 55, length 8:
: d3 i* J0 i( W M( O+ N1 E! M3 ^4 i5 J Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
) P8 L- O# ?( J+ o" a Domain-Name, BR, Router-Discovery, Static-Route7 n( A+ o/ y# A; R( o2 N
Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7") b$ d2 a9 u$ c& X" n9 U
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# C% @ ~" L: g0 O END Option 255, length 0$ u2 D. s5 ]) j o2 E
PAD Option 0, length 0, occurs 205" l4 R, x) s8 }/ U
0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U4 K- d5 p* T, B7 d9 B
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...$ Y2 y" g8 A+ x" t8 @
0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....) O+ T( W, I; r8 Z0 u4 ^
0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................0 H) t8 J1 l: \5 P' e6 J
0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..
5 [$ j: v) D6 }6 \' q- j6 i 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ o! P/ p/ O1 M* I4 J 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
6 K, ~' }/ |% n 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" A0 t3 f- L5 X/ _ 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
L2 q9 E8 j) a+ E$ Q2 g% L3 H) b 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" ^4 t, ^! O/ c( O9 W, w& ]8 y6 E 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
& A! m; s- N, R/ V% C3 o. n& o6 M 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................( \5 U4 T) [) A- {/ `
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! |7 Q) x- w+ H; ?9 X1 I. L
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ M, l& ]! ]6 }) J8 |
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
; }! N: ~0 ^% c0 z( ]9 }) h 0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
7 f' q/ i! R; O N8 S 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ y5 Z# W. G9 \
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.2 ^ C/ e/ `2 Q/ A$ z# O
0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea1
) }1 X1 ~7 Q: j) q2 v 0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 00100000000400008 k$ k8 e) R3 k* W/ W/ m+ p/ L# [
0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.
7 `4 W3 Y$ _/ J, ^& f% k1 ~ 0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..) W/ }, F- F! j+ v M
0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........9 E7 `6 _. F R( @: T4 T9 c; N
0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........1 c# i6 x( \6 X! K1 L; R
0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............
$ i) o. h6 v* C% Q+ V8 M7 J9 j 0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................' f5 F+ {, C3 Y! s
0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 W& e) {4 e$ [, i 0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" s3 Q* B- @$ E3 l) _* H4 b 0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 O0 l7 e0 p0 n$ H
0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................" ]. e2 R8 s" L$ X9 O0 i
0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................: C1 \6 v) m$ Z9 ^, p$ Z
0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! \. ?2 ~% K+ S) J8 d; ^, P6 o
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% p* P9 ^% J# l. L 0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................- c2 _- d) n; H( |6 g
0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 }0 R- j& ^" t- ] 0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- d/ V2 G2 W8 ~# i6 {2 o7 U 0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................: R& F4 O: R0 r( g! |3 ^
0x0250: 0000 ..
& j6 [; ~. s: \& g22:05:52.803210 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]
' ~5 B" d/ A2 `# b 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
, G9 V. d- B6 S6 t- V4 ? 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..; L5 n( w* |3 t
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
# A) r9 B0 E {* r: M5 f 0x0030: 0000 0000 0000 0000 0000 0000 ............0 L/ M3 a% B, G: `& N9 U/ a
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)
* {8 Y8 E4 Y# p2 x4 A9 i, ~3 O0 y 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)
) B& \/ d9 T7 I7 u9 h9 I, i1 x Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)
% D3 s2 i, D$ Y Vendor-rfc1048 Extensions9 b. Z; `5 J1 e; R
Magic Cookie 0x63825363
0 I0 M/ f# }9 F: i. z- ]% x DHCP-Message Option 53, length 1: Discover5 Q* @8 d" l% A9 ~
Parameter-Request Option 55, length 6:
7 a0 a; W- ]/ i' N& n Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
, S6 ]& n4 S* ^% _ Domain-Name, BR0 c) N( ~1 d. u' M; ^
END Option 255, length 0" f2 y; `; r+ _/ \
0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......# `8 S! t- H9 s% C9 L
0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...
' Z4 q4 q; F; W% S9 z7 l' f 0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y..." h% |+ V2 _2 o% m
0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................
* J, N& s4 E3 m* o9 D 0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az...
, y, g4 q. X/ d. p$ C/ \ 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
! z) E. H! Z5 ^& E& y" u% ` 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
& q* s; Q# o* V- f$ v2 Z% W$ r5 g3 | 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ J" J% L. R* e g6 b 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 F/ K$ E6 }: i8 y 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................9 o @$ Z9 |% y
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 _9 x) g9 w9 O; G f6 [6 F
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................- m+ X% J1 u* |! Z/ S8 O( Y
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................" O3 d( M+ A0 b4 I# H/ k
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
) G! D$ h# g2 X& Z 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ j$ \; Q4 v+ M0 _ D& A" \! v
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
( Q4 `6 U) U7 T' C 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................! V5 R1 Q, N7 T2 F
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.& i H6 h) J' L a5 O
0x0120: 0137 0601 0306 0c0f 1cff .7........- M) L0 _# H' F) ]
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