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发表于 2011-1-31 22:20:56
|上海|
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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/ r4 U O4 ?) z# B2 g+ _' O+ M
: J8 Q- I! V; C7 Z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) m! w( b/ f9 b" f* 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]
( `; E. k- p# z0 [; l 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..8 ?, C3 B/ b* ~$ @, j5 x+ J, N+ M
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
4 \* S/ d; [9 g5 _% m* X/ y3 o2 L 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
n0 U5 e% G* J5 h 0x0030: 0000 0000 0000 0000 0000 0000 ............
3 R5 A# T* t' ]" f% h6 c22:05:47.791865 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) M3 M' S; F! ?4 B5 w 0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..
' |' N3 e+ [" D, J% n* O 0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H...... j# K2 j5 h3 d" { z3 h$ m' n+ ]/ Q
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 Y" n4 E3 H& V3 N& j. J 0x0030: 0000 0000 0000 0000 0000 0000 ............; j/ |5 ^ C4 x8 s
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]
# D7 [* K: M/ X$ M( k5 I; n% ~ 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..7 K* l8 T/ I/ z1 T) V' W8 t, [
0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......
& ]6 Z) E8 }5 e9 b5 ] 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" M4 s* y% E3 R* Z8 ^2 }+ Z 0x0030: 0000 0000 0000 0000 0000 0000 ............! i# B( ], K. a) O- }% g
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): Z- c, Z \5 ?( E$ H
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)' L9 n- [1 ?# e% M4 A
Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)+ Y! J0 y2 H% I4 e- A
Vendor-rfc1048 Extensions0 m1 Y9 `5 X/ ~8 k# T' t
Magic Cookie 0x638253634 S2 V# Z; E* o
DHCP-Message Option 53, length 1: Discover M+ A; K; H; C. N; e$ Z; m
Parameter-Request Option 55, length 8:
9 z! _" ?; a C# D Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
) X' P8 o X" L F9 `$ W( ~; q Domain-Name, BR, Router-Discovery, Static-Route
/ u$ x( ~$ e4 g# T2 ?7 U+ N Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7"- I* ]2 g0 k0 }8 t% L, M) n) q$ `0 g
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"
! |3 D; T. W7 v" c7 { END Option 255, length 0: q% P( Q" c c8 _: L; v0 S
PAD Option 0, length 0, occurs 205/ C1 p' j; T( Y# ]) a; v% c( Y! {
0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U4 T! x5 p0 i' I. @8 i
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...
6 f- w$ Q+ e4 {8 Z- T% ~ S 0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....
, @+ x4 u8 f7 X4 {3 m1 W. ^ 0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................
o, {, g8 t% ]( G" V3 y4 p: F 0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..
' m& N. Q L( E+ x/ { 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................& z$ J$ G8 b# j5 m0 \! d( s
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% B- A* ~5 r+ Y% z: R 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 T$ n I/ W# c; l( c- {
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................3 y' u0 s" O+ K4 y" J+ I j: i
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 C5 d! R( G9 h. l 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
9 [8 L6 k4 S) L2 ` 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
1 [) v/ I& b8 M3 F) G 0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................% ?" j1 s, [6 H; {. @
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- i% G& j) n. A8 r 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................8 ~) u+ c, {' g5 q* S+ ]. [; {! p
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ r8 N: {5 Y2 t/ w" `! d( m
0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
2 Z1 |' W0 i, T+ F: S6 q8 R 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.
5 f" |& L# c" A5 R9 [! B 0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea1
& j& s* H3 u9 y$ l, g3 A- K 0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 0010000000040000
& s! \* L/ i b" u3 d5 e' O8 m 0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.
& o; ^" {2 G% p8 j# Q 0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..$ _* T. Z2 w+ ?
0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........
* r9 a" k9 f" b5 s9 F9 a3 m 0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........
9 A* s+ F3 x4 }: ^$ d 0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............
0 J) H$ ^! Q: g4 J8 k 0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' h7 F9 y! {7 `: S 0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! G( r7 N. \/ [! b. f
0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ \8 l$ ]9 Q4 h8 e
0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 ^9 l) r, ~: z: V) C3 N 0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 ^4 l$ L! I5 C9 S# P$ ? 0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ v$ H5 O+ b/ j) b 0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................, g/ y6 U0 N( g# ~
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ U6 z* K5 d* [
0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 I* w7 t/ n. W+ I 0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................) g/ R& Y# X/ i; h3 N0 i
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................
. {2 k5 S1 S' ~/ T! O- t' J3 e% j 0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................" }' v6 M9 n h- ]0 c9 @+ B- p
0x0250: 0000 ..- i" k" }0 I, b; 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]
! T- R1 y/ O9 b p# @ 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
( [$ b8 _3 W+ S( L4 [: n8 [ 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..7 c: K% Y- y- [, f# M' U
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 x2 U4 c. B+ h8 p7 j+ j. B% ~ 0x0030: 0000 0000 0000 0000 0000 0000 ............( `- f' b% |: N, z1 }/ C
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)& d$ {6 w! a; D, t L( Q
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)6 {0 G* d4 p d) s+ s& V% t, |
Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)$ g) x! p l) F9 V
Vendor-rfc1048 Extensions' d. A) Q! B& z7 R8 h6 W/ y
Magic Cookie 0x638253632 W/ P' |; W1 ^; B
DHCP-Message Option 53, length 1: Discover
& k0 C2 W) p9 k0 Z' e Parameter-Request Option 55, length 6: / P, L2 p- O8 y3 K1 \2 z7 K
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
; k9 U! T3 b: n* Y$ }7 Y& c( i Domain-Name, BR8 z, w+ k; v, d$ I0 i$ l: c
END Option 255, length 0" w' F0 j3 d( }
0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......$ z6 k5 z3 T' l: F2 W1 p% r
0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...
" m* j) n2 t2 N i 0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y...8 n. o+ Z* o! `
0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................( c" ]6 \7 F: }1 F& {
0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az...
/ _# {+ ?% J5 o' { 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................* C5 ~0 \% i+ ?' r$ N
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
6 S' A: }9 P) R- s* f8 o& ]( e 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
?0 c7 ~# I3 P2 r' U& F 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ e$ O- K5 @% G | 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................! J; Z8 A5 J# v9 I5 R9 U4 p
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% J2 K) O/ ^$ e( |2 I/ c 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! ~: i9 s3 a+ N- }
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
) x* j# V7 g! b# O7 f9 @ 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
& F& }9 ?: g; t& S 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................" G. p% q1 D' J, ^' U- t) s3 C
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................ D% R1 q6 V$ s, [5 h
0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' o/ V" Q( @6 T2 j 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5. t9 K1 t( a( g1 w7 h n* U3 `5 t, ]
0x0120: 0137 0601 0306 0c0f 1cff .7........
E: Q& t* D$ Z4 ^7 { |
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