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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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8 w! D+ b* k+ u' s+ Q3 P# \% O5 P1 @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)
7 g/ g- c- o! K; ]4 v7 w22:05:47.791669 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]
$ g/ `4 L7 ^1 y8 O0 f( `. J4 p# M, f9 Y! Y 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
5 |% ]7 z& q# y* ?4 j5 l 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H../ N& u6 d% c' s& N; C; e
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................& B5 T1 j# a2 Z4 k1 J5 I, }: a
0x0030: 0000 0000 0000 0000 0000 0000 ............
7 `8 i( V& Z6 J u" R' t/ e% X22:05:47.791865 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]
( Y5 x1 M( ?8 }6 R7 ^+ I% J4 | 0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..) X' G9 N1 I- c- k$ Z) _, w. D: e
0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H......
1 C) L% @+ N: E, R W& \. | 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
, C7 _6 m* Q% H0 t2 z2 B/ S 0x0030: 0000 0000 0000 0000 0000 0000 ............
( g" m: o9 j% A6 S22:05:50.795926 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Host-Uniq 0x00488008] [Service-Name]
, L, g9 {( J) Z: O% c 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c../ w" j( i5 x& I4 G l4 N
0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......% U+ ~" B9 N) t5 d# a n7 u
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ u9 D9 @, _8 z. I, F; H, A 0x0030: 0000 0000 0000 0000 0000 0000 ............
! [5 w3 E1 g; i( ~* I+ b) B$ l22:05:52.380082 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)$ b. @) Z* l+ i3 n
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)
/ ?5 x- \% K# ~4 C Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)' a. ^9 F4 b# l2 O6 I3 H
Vendor-rfc1048 Extensions
9 z) V2 ~- A$ }3 M/ t# C* P+ l Magic Cookie 0x63825363
9 t3 K+ m+ P7 M DHCP-Message Option 53, length 1: Discover8 _3 N2 s1 F" B3 y! I- ?; U
Parameter-Request Option 55, length 8:
# W7 h7 P/ Y2 H" I' u$ M- L( X4 o Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname+ ?9 L" }8 D, Q+ K4 P! y6 ?( y
Domain-Name, BR, Router-Discovery, Static-Route; g2 }( n5 T6 M( y6 |/ w! V
Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7"# q9 k/ Y5 l0 p
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"
) u. @. }% J2 f7 L END Option 255, length 0 a, x1 F4 M! _& G
PAD Option 0, length 0, occurs 2053 Q! U' o7 F0 T: v9 w- {8 \
0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U! g& ]/ \& L7 c% S) ~0 V
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...
0 O: C/ Z5 a# X0 H# d* g 0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....
$ u: o7 G. D! \' g" G3 J 0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................! z) ~) L) \; [" }9 Y; I
0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j..
; V$ o& X. Z1 f) g# f 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................& `# H+ F* d: f
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
( e1 g: k' l V* `6 _ 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 _3 k& {& X& R& i8 d2 P( q
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................7 B6 z G! [3 R
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................; j: ^- A2 H/ d9 C) h5 a
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................* R; x/ I# G% d( n' T3 _
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................. Q/ X2 j: W7 x6 y7 x& p6 B7 l' S
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 u- h- Y) u! L2 M3 \4 T 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ g6 Q8 a0 E$ l" N0 r: K
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ r8 e0 q; [. _$ s& Q
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
2 W* E7 S& a' v/ d$ i5 \* d4 T 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 ]" I3 B; X7 a2 p" p* W
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.
9 I2 g/ j& w* h+ y1 |, Q 0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea16 [& b7 x' P9 _. L* J
0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 00100000000400000 o9 g+ k6 \2 c7 I0 I4 x
0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.% g& y# c2 Z/ X3 [5 r
0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..
5 t) o, U# [/ u/ w$ J( e9 G# L 0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........& q: ?0 d' Q j! k: u
0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........) `) J- g3 y" D' O
0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............! K F# X+ y. p/ y# p# ]
0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ J6 ] O; ?" v1 q+ G c 0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! d8 k1 B$ ~# ?$ c7 E2 c
0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................" G9 Q) k; }4 o. ?. F& y
0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................! Z5 C+ Q2 c3 C2 K4 C& @
0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ a% Y2 L* q L0 k) U. J 0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
% j! l4 s) q$ {' P1 g$ e 0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 @4 G1 h0 @6 q6 K9 q
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................
; z' Y! J) k- _/ K# b 0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................+ n6 v# L; g; d- l4 U; S8 K! t2 a
0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ P* @0 c* E) e$ b" r* J
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ ^% X" `$ @ d( f F7 X' ?, ?( o
0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................& O/ `! r% A& j# N; Q' P
0x0250: 0000 ..
8 c0 I) ~6 p6 P- N4 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]: E" n' I# L( o9 Q, x
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
; \) v# n& N3 K4 }5 Y% C' X; @ 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
3 s2 x$ `# U- n3 m: x, ~ 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
1 L& i* Z4 M: N; y. E 0x0030: 0000 0000 0000 0000 0000 0000 ............" A3 d! R! s8 B, o, r 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)
1 T8 [$ C& v* y1 n- ? 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)( y4 Q6 a+ r% T( s. C5 T% Q \
Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)
; ]: `4 p8 Q! ~( w( u# N- z Vendor-rfc1048 Extensions
7 i/ f" @% e# j" s( @0 _7 R% ` Magic Cookie 0x638253637 D/ k, e2 i1 \; [) m
DHCP-Message Option 53, length 1: Discover N8 o* |& O0 w- l+ [2 m
Parameter-Request Option 55, length 6: 3 ?( R9 c% o. T8 k, t( b
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname( j% Y3 E4 o# i: W. n& D- T
Domain-Name, BR
. t) a4 m3 V/ g. D6 p END Option 255, length 0' @( B5 [) v5 L4 R
0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......
" e5 p" t0 y0 V- ?1 h2 F' d 0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...
; o* m% |$ }9 \6 [$ u 0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y...
! S: e+ H7 T8 S8 Y$ C 0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................8 G/ b3 j( Y. C: Z+ c/ d$ {
0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az...; m4 E7 y3 [ c( S. O5 F9 J
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
4 S- I$ k; @8 d5 `' e7 L4 y 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................# r) y/ |, G4 M. e: J$ _ t2 e# \
0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 v5 \( W5 T4 p y
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................& c) f) x: h- m1 c5 |6 E6 V# O% V
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
1 }2 P0 ~ W. _6 k( E# l 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................0 H% G7 X" z8 I; Z' O1 |- p" }
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ Z7 z" m0 P2 L
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................# ` q5 u+ K' J$ l4 D' a
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................- H1 X5 S' h0 H( h0 o( ^# F
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................& E% s. q+ ~0 b" W1 R
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
5 }: o+ }4 Z6 T" ?! T4 K9 l; w 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................8 I: ~1 `1 J- N) N/ `! ]
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.0 O N7 y; o1 M* [
0x0120: 0137 0601 0306 0c0f 1cff .7........
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