GPRS端：7E 80 21 01 07 00 16 03 06 00 00 00 00 81 06 00 00 00 00 83 06 00 00 00 00 66 F8 7E
C I L D
GGSN端：7E 80 21 03 07 00 16 03 06 [0A 44 C5 37] 81 06 [D3 88 70 32] 83 06 [D3 88 14 CB] 74 F0 7E
C I L D
GPRS端：7E 80 21 01 08 00 16 03 06 [0A 44 C5 37] 81 06 [D3 88 70 32] 83 06 [D3 88 14 CB] AA 9D 7E
C I L D
GGSN端：7E 80 21 02 08 00 16 03 06 [0A 44 C5 37] 81 06 [D3 88 70 32] 83 06 [D3 88 14 CB] 5C 6E 7E
C I L D
GPRS端：7E 21 46 00 00 28 5A 1E 00 00 01 02 1B 20 0A 44 C5 37 E0 00 00 16 94 04 00 00 22 00 EA 03 00 00 00 01
C I L D
04 00 00 00 EF FF FF FA 35 C4 7E
即：在得到GGSN分配的IP地址之后[]中的即是IP地址，GPRS发送了7E 21 46...的数据包，我拿IP对D(信息域)分析时，IP地址对不上。从网络上查找说是IPCP压缩。那既然是压缩了，Code=46咋解释？IPCP中没有这个Code呀？
我这里的数据是从XP的GPRS猫拨号是从串口截获来的，想分析一下GPRS拨号过程。
那位有经验的帮小弟看看，指点一下。
------解决方案--------------------------------------------------------
协议为IGMP协议，具体如下：
No. Time Source Destination Protocol Info
1 0.000000000 10.68.197.55 224.0.0.22 IGMP V3 Membership Report / Join group 239.255.255.250 for any sources
Frame 1 (54 bytes on wire, 54 bytes captured)
Arrival Time: Jan 1, 2000 09:23:00.607375000
[Time delta from previous captured frame: 0.000000000 seconds]
[Time delta from previous displayed frame: 0.000000000 seconds]
[Time since reference or first frame: 0.000000000 seconds]
Frame Number: 1
Frame Length: 54 bytes
Capture Length: 54 bytes
[Frame is marked: False]
[Protocols in frame: eth:ip:igmp]
[Coloring Rule Name: Routing]
[Coloring Rule String: hsrp
------解决方案--------------------------------------------------------
eigrp
------解决方案--------------------------------------------------------
ospf
------解决方案--------------------------------------------------------
bgp
------解决方案--------------------------------------------------------
cdp
------解决方案--------------------------------------------------------