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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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) s" u# b% h9 c1 w5 l4 V$ _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)
; c I& b6 y2 n" G$ w2 P22:05:47.791669 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]5 U5 O' l- K$ X. {- v/ z4 t
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..; u& `8 U, [( l9 G
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..- c# G% _* U# s
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ Z. Y+ {& B0 ?) ]- O% i" A/ M- g# d8 S 0x0030: 0000 0000 0000 0000 0000 0000 ............
, x l4 S6 G3 v8 i" _# ]' B1 e22:05:47.791865 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]
7 E! W: c( a' o- L$ F4 G" W 0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..
! t8 l' ?+ y4 X' c* t 0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H....../ v9 b; I9 V+ q7 e
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
4 r3 R! z0 s+ [3 J4 x 0x0030: 0000 0000 0000 0000 0000 0000 ............$ f: w$ S, ^, ]& @0 \
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]
3 Y0 x9 A& q% Q 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
* _: R/ \8 r8 Z4 m" R! K 0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......) |8 ^3 T1 V1 ~0 o& }& x% e
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ x/ d' m2 r) H+ f$ C& S 0x0030: 0000 0000 0000 0000 0000 0000 ............7 _+ d" c9 |6 f
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)
5 ~& `) d6 Q0 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): z( T! k5 P7 }% _6 I" M
Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)
$ d1 ]' P8 }) Z( f8 L Vendor-rfc1048 Extensions
9 Y* S: `) o) O" \ Magic Cookie 0x63825363
. b3 G; l! Z3 s6 o5 l+ i DHCP-Message Option 53, length 1: Discover
( _, C- l: D; n) H3 i ~ Parameter-Request Option 55, length 8: 2 Q2 b. M6 U2 t( A6 V
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
- a+ m! K: _/ y. E- O7 y6 L Domain-Name, BR, Router-Discovery, Static-Route
% e* E6 h+ ~7 e2 i7 `% P5 s Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7": u) H; q/ ~ {# @4 U& M
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"
2 `% V# N$ w) ?. Q! G( K Q$ z END Option 255, length 0& O+ p9 ~% U# b) y
PAD Option 0, length 0, occurs 205
3 I! P/ f7 b, b: c) { 0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U1 f* K" s/ \1 E
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...$ q. w8 }9 C! r1 R/ w4 f% L
0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....6 i! \% y. ^8 q4 @/ T9 c* r' L
0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................$ X; V/ j0 U! p( r6 Q' d' U
0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..+ d( x) t( d. H4 x( @6 G+ c
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
* S+ J3 Q+ G, F" l5 M, L" t8 K 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ b$ i. j6 g* k$ c( L 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ g- Q* _! M8 w7 p. Q/ M 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
7 }, P- ~) U/ c9 h! x6 `( P 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................ s" P3 y1 p$ C, j! t. P
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 Z5 f. M" s& J0 L) M 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ X2 T1 P8 m# B4 |/ y8 O3 r 0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
* \4 \, K6 o$ @7 S" y: A5 K 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' H9 G7 D0 J+ ]3 A% u 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
, A B X0 e7 P% F" W 0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................1 g9 d* U" m' K$ x( h
0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 t, k/ g' i. m 0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.
9 k" J8 ` v- c/ h) f6 e, ~- x 0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea10 |2 D7 I `, H% ~' n! L
0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 0010000000040000. c3 j; t3 y9 H" N" ^7 Y
0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.' t1 i% b4 z7 d8 n* R
0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..! g& N. U; R3 c" {" q) Q/ U6 C& N, f
0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........
5 n2 |+ P: h2 R5 i 0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........
" \( o7 e Z9 j( q u, K6 b 0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............ k, w/ s8 [6 e: I9 Q3 S
0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................
. a8 m8 v7 S! J; v6 f$ q4 R 0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
, E# P9 y$ o$ l 0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................% W0 Q+ Y: p7 v% ], `5 G
0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ U* P9 q* {. c
0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
" F5 V1 h- ]9 Q) e1 E. u% A c5 d0 t 0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................* Q- O7 n) n7 V
0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ M" \; w9 M }1 O" i l: ~& t. B
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ B' c% B. a- O9 z8 s8 a1 c/ C
0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................7 \! [" s+ B4 J9 Y# ?. J3 u
0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................4 H% M6 P( S$ Z; q, \; D! J0 F2 v
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 y8 l. Y0 m" C. B% R 0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ A$ V% p% A5 G) M' }8 N 0x0250: 0000 .., O1 q& e) a" g; p+ I3 N7 K- ?- `! ~
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]8 ^1 }6 K* n7 V3 a ?- q
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
( a: E0 C: A/ W# A5 e8 T 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
+ W& D! x/ @" M2 L# G- L% ~ 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ F. e+ C' B2 S7 m* i 0x0030: 0000 0000 0000 0000 0000 0000 ............% }) t8 E x- m
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)
/ t) n. D. X- y t ` 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)
* F+ n9 A/ f. p: n; K. c Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)
" `2 P& ?+ k U6 g7 b) S7 Q0 C Vendor-rfc1048 Extensions2 c! Z5 @. ~" k% `5 J3 X3 u
Magic Cookie 0x638253632 G& n2 l( s2 ^# E
DHCP-Message Option 53, length 1: Discover; m: f9 {* N0 Q) y1 \
Parameter-Request Option 55, length 6: $ Z: K# }6 `* Y6 l
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
% I6 g8 p u7 z$ J( ~ Domain-Name, BR
' n) h5 P8 l& p" O END Option 255, length 0
8 S) F& v& r4 u# t: X" s, r 0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......
4 J1 c! ^" x% D2 \ 0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...
7 `# h5 b- r% ]$ ^" [ 0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y..." t0 P) W2 f: y) h* Z5 q ~; V# {# b
0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................( B: y9 b$ m1 R& T! C5 k0 Z/ B% P! U
0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az..., x: R Q2 f# S! v8 J
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................% W( }2 M: s. L5 \) m* c! d. K, [
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% `! ]0 R r* b! [ R: ]4 C 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................! ^: x" e; `" J: N8 {
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ e0 E( _: F6 K8 J5 F3 L* ]
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' c% t: ]' b. U/ a8 X1 b' P 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ m% `- p% u0 n- l5 W7 Z 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................: I9 a; j. b: n/ A
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................) T5 `) A7 O$ e# f
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................. W) V0 I7 D, @ \7 R0 _
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................: k W# y2 j- c
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' A9 _- d' s9 q 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................7 Y8 m6 v) U- |1 c# u
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5./ J1 z' b: @. [/ }3 U
0x0120: 0137 0601 0306 0c0f 1cff .7........
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