|
|
发表于 2011-1-31 22:20:56
|
显示全部楼层
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
# P3 U3 W) i8 y& h: p3 V' F
( \& ~1 f9 \) J! n+ w4 T% Q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)
; D, i& X, `2 U f) _; `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]
6 g# s3 J& D) _9 s- U c 0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..
6 S, t9 X2 N# Z+ U5 y1 L9 i$ o7 l 0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..% g9 k" z u8 q* Z. X6 H* u
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................* I/ e9 G5 ^% S& B j
0x0030: 0000 0000 0000 0000 0000 0000 ............5 U k- `2 G4 H! v7 b3 ]6 Q+ X$ R3 @
22:05:47.791865 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]
& ~4 k+ r a: w9 n 0x0000: 0090 1aa2 da2a b441 7a0e 0b00 8863 11a7 .....*.Az....c..1 @+ c+ `6 V: U( A5 x
0x0010: 0221 000c 0103 0004 0048 8008 0101 0000 .!.......H......0 ~ M8 j6 }1 n( r
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' t+ X2 O. x% M% `0 P 0x0030: 0000 0000 0000 0000 0000 0000 ............
9 X- ?& p$ d; `8 u5 g22:05:50.795926 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Host-Uniq 0x00488008] [Service-Name]+ {7 r) W; K- i! g- T
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c..- o0 M: E K' Q4 F, d
0x0010: 0000 000c 0103 0004 0048 8008 0101 0000 .........H......
9 t: U- e% e( D& a" ]6 E" a" N 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
- \' K4 ~6 O- l' ^, I6 X 0x0030: 0000 0000 0000 0000 0000 0000 ............7 I0 P. ^4 O6 @7 A K
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)
* d1 [$ H6 M1 E& v 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)
- O# i+ A1 `2 ^& i Client-Ethernet-Address 00:15:eb:6a:a4:b7 (oui Unknown)* m$ ~+ d8 Q0 Q! {2 P
Vendor-rfc1048 Extensions
/ u# j( o |/ Q( k. a Magic Cookie 0x63825363
% Z% f) e" v. P( a$ `( y9 q1 S DHCP-Message Option 53, length 1: Discover
8 u2 N8 w5 o2 v4 A* A Parameter-Request Option 55, length 8: 8 J3 Q4 ^9 d2 Z D. j/ i2 ]3 k( ]
Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname
! W4 K$ B) {+ [% r+ Z& {2 S) I Domain-Name, BR, Router-Discovery, Static-Route1 ]- s* X* Q9 n& c) Z9 H
Hostname Option 12, length 32: "ea1001000000004000000015EB6AA4B7"
. C7 ^+ F" @+ z7 y: `! n) v2 }) S 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"1 u" h X% ~) y
END Option 255, length 01 F1 V5 k% ~3 ~2 K- h4 z6 G
PAD Option 0, length 0, occurs 205
* r- R) a- y' d/ {6 s' a, K$ z* i 0x0000: ffff ffff ffff 0015 eb6a a4b7 8100 0055 .........j.....U1 s' O2 @; B# h* e% w9 n
0x0010: 0800 4500 0240 44b5 0000 4011 33f9 0000 ..E..@D...@.3...
; ^& ~4 v( l# X a! _% o" b, f7 F 0x0020: 0000 ffff ffff 0044 0043 022c faa4 0101 .......D.C.,....
' O, i4 r( f( D1 }" |8 K 0x0030: 0600 df11 aa19 0000 0000 0000 0000 0000 ................
7 J% {6 r3 A! U6 c, D& L+ H! ^ 0x0040: 0000 0000 0000 0000 0000 0015 eb6a a4b7 .............j.., Y$ U. {( S0 H/ g4 J; o: E
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................$ c [! k+ C: m2 }, w( h$ A
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
9 }" {7 B4 s4 d& G; t6 t 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
) z- ^3 m% F% H 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
! s. Q7 v3 Q) m" W/ ^* m/ O 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ A/ P; V3 f! q* v8 ?* G 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
, O% h% l6 Z }8 j' P 0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 D) P! e8 T7 q 0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 K: h4 a6 N2 W4 z- v0 \" C 0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
; C6 I# |# }) f. \ 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
/ B+ p' y4 K7 U9 Q 0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 r O8 f/ i; N 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................1 s( E. x# f& P+ v* t8 c, A, R
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.& r4 Z. j8 {1 w* L0 o* D/ A/ l
0x0120: 0137 0801 0306 0c0f 1c1f 210c 2065 6131 .7........!..ea1
8 ]% n& G3 t* Z8 w0 g 0x0130: 3030 3130 3030 3030 3030 3034 3030 3030 0010000000040000
! z9 Q+ R- `. L. k 0x0140: 3030 3031 3545 4236 4141 3442 373c 3500 00015EB6AA4B7<5.
" d( T Q, Q! t6 W3 G/ Z0 j 0x0150: 001f 3101 2521 f821 d90c 003c b544 0000 ..1.%!.!...<.D..
1 h- @; v& ^# o. i! e0 t7 \ 0x0160: 0000 0000 d9f8 f64a fbf0 10d3 2089 07fc .......J........
. ?* k: R# W, ] 0x0170: 8ad2 57db ecbe 3fbb e7c0 1dea 0f99 a701 ..W...?.........7 r+ \' i6 d' W- Y
0x0180: c09f 7362 ff00 0000 0000 0000 0000 0000 ..sb............) j7 A1 |6 V/ Z, y7 r% \5 F
0x0190: 0000 0000 0000 0000 0000 0000 0000 0000 ................- z( }+ h) ?9 Z, L! D6 ?- {2 f
0x01a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
1 k) h% w" ~' Q) M! ?- w9 K 0x01b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
( w( m( \+ _, z; ~, \ 0x01c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
3 u7 u N6 ~& V) P H6 U/ X 0x01d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ Z4 ^! ]. p+ I0 i0 o, y, z 0x01e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................2 N& `6 Z. Y8 K3 _+ \. e; @
0x01f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ |9 k( M. U- k5 R: k/ _& G
0x0200: 0000 0000 0000 0000 0000 0000 0000 0000 ................
( H, l' k4 p3 h 0x0210: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ c" @% j* a0 ?" J; V 0x0220: 0000 0000 0000 0000 0000 0000 0000 0000 ................( R* G7 G. y0 G
0x0230: 0000 0000 0000 0000 0000 0000 0000 0000 ................* Q5 M M& N' e8 u- g
0x0240: 0000 0000 0000 0000 0000 0000 0000 0000 ................
6 Q1 Z/ W! I1 C" ?3 x3 U 0x0250: 0000 ..
7 y5 I) ]: A8 a2 ^' s U2 W3 v22:05:52.803210 b4:41:7a:0e:0b:00 (oui Unknown) > Broadcast, ethertype PPPoE D (0x8863), length 60: PPPoE PADI [Service-Name] [Host-Uniq 0x00488008]% N0 W$ |: y3 P% T- n
0x0000: ffff ffff ffff b441 7a0e 0b00 8863 1109 .......Az....c.. {- U3 ~' {+ \7 @7 T8 x; x. g+ R
0x0010: 0000 000c 0101 0000 0103 0004 0048 8008 .............H..
% `9 C9 m- k! V) S: i. P) [) ] 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 w$ T& c5 b1 ?; X 0x0030: 0000 0000 0000 0000 0000 0000 ............" s% C% t( }4 T" i# }
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)
/ ~( W" A$ Y4 L4 W" ~ 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)
N' q0 }, G" O, L7 g* O: w Client-Ethernet-Address b4:41:7a:0e:0b:02 (oui Unknown)) E0 d H# v. u: S
Vendor-rfc1048 Extensions
* Y% f5 H0 C8 E9 d! ?9 H Magic Cookie 0x63825363# p1 v& ]1 m. z ?' H' m2 w: H: r
DHCP-Message Option 53, length 1: Discover
0 @8 g" Z6 }. F Parameter-Request Option 55, length 6:
% q! v4 X3 l f3 x5 s8 p Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname( l6 H; k/ d* y Q
Domain-Name, BR
$ f' P4 J w% g8 R6 n0 I END Option 255, length 0
) d, U9 `( f7 m% v 0x0000: ffff ffff ffff b441 7a0e 0b02 8100 002e .......Az.......
7 E- M. t3 A+ S: X% ~, C, q) K* x: N 0x0010: 0800 4500 0118 0000 0000 4011 79d6 0000 ..E.......@.y...' j7 @3 Q# w7 |; u0 B, w
0x0020: 0000 ffff ffff 0044 0043 0104 79b4 0101 .......D.C..y...% r: q8 Q/ m2 r
0x0030: 0600 12a0 1185 0000 0000 0000 0000 0000 ................5 `7 M$ s- Z% m
0x0040: 0000 0000 0000 0000 0000 b441 7a0e 0b02 ...........Az...3 o3 L, J/ o0 r! C3 H
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' h& X. @; g2 ~* u3 r6 D. k 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
$ E- B! J* c+ D' k1 ? 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 X `$ e+ y* u* r7 s1 e 0x0080: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0 @1 \/ g/ w* K 0x0090: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 c Q0 E; G9 g/ v) S" P; S) a 0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................5 ^1 z; b/ a. M; r& g
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8 X3 N/ z5 y% ?; M/ r6 A 0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................3 ] ]' B/ g) D
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
' V! M7 @1 B: n 0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................/ a; u" [: L: n0 [; J: n9 o
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
+ `7 x/ u% k3 Q7 F8 d 0x0100: 0000 0000 0000 0000 0000 0000 0000 0000 ................( J# X: N0 }( X: m6 ^3 L
0x0110: 0000 0000 0000 0000 0000 6382 5363 3501 ..........c.Sc5.) `- |! m+ H' P+ I0 R2 m! [4 c j9 |
0x0120: 0137 0601 0306 0c0f 1cff .7........! V' }% |) a, \5 m b
|
|