untitled

1

LAN () LAN () WAN LAN (FDDI ) 2

1 OSI/RM OSI/RM A B 3

4

1 OSI/RM TCP/IP 1-3 TCP/IP 5

6

1 7

8

1 9

10

1 11

OSI/RM TCP/IP Ethernet, FDDI SLIP, PPP 11

A IEEE 802.5 B IEEE 802.3 IEEE 802.3 WAN LAN () LAN () 12

2 OSI/RM TCP/IP 13

14

2 15

16

2 17

A B Hub A B 18

2 Hub A B 19

A B 2 1 3 A B Hub A B 20

2 21

22

2 23

24

OSI/RM (HLI) IEEE 802.1 LLC MAC IEEE 802.3 IEEE 802.2 IEEE 802.4 IEEE 802.5 25

26

(LLC) (MAC) (LLC) (PLS) (MAC) AUI MAU (PLS) (PMA) (PMA) MDI 28

3 LAN τ τ OSI/RM IEEE 802.3 3-3 IEEE 802.3 OSI/RM 10Bases LAN 29

(8Byte) (6Byte) (6Byte) (2Byte) (64~1500Byte) FCS (4Byte) (7Byte) SOF (1Byte) (6Byte) (6Byte) (2Byte) (64~1500Byte) FCS (4Byte) IEEE 802.3 30

3 LAN 10110100 00110011 01000100 01010101 01100110 01110111 b4-33-44-55-66-77 00101101 11001100 00100010 10101010 01100110 11101110 b4-33-44-55-66-77 64~1518Byte (8Byte) (6Byte) (6Byte) (2Byte) (46~1500Byte) FCS (4Byte) 31

64~1518Byte (8Byte) (6Byte) (6Byte) (2Byte) LLC (46~1500Byte) FCS (4Byte) LLC DSAP (1Byte) SSAP (1Byte) CONTROL=03 (1Byte) 64~1518Byte (8Byte) (6Byte) (6Byte) (2Byte) LLC SNAP (5Byte) (46~1500Byte) FCS (4Byte) LLC DSAP (1Byte) SSAP (1Byte) CONTROL=03 (1Byte) SNAP 32

3 LAN Ω Ω Ω µ µµ 33

34

3 LAN 35

36

3 LAN Internet 3 10/100Mbit/s 10/100Mbit/s 100Mbit/s 100Mbit/s 100Mbit/s 37

1 2 3 ISDN 1.25/FN PSTN LAN PC LAN AP PC PC PC 1 2 PC 38

3 LAN 39

3U 2U 2U 2U 12U 3U 2U 2U 2U 12U 3U 2U 2U 2U 12U 40

3 LAN FDDI Internet CJ1M ( LAN) Controller Link Hub C200H CompoBuS/D(Device Net) ( LAN) CPM1A CPM2A CQM1 41

IBM 4 16Mbit/s IEEE 802.5 4.16Mbit/s / 260() 72() 250 T D D A C A F1 C B (a) (b) A F1 C B D D F1 F1 A B C A T B C (c) F1 (d) A F1 42

3 LAN (1Byte) (3bit) (1Byte) T (1bit) (1bit) (3bit) (1Byte) 43

(1Byte) (1Byte) (1Byte) (6Byte) (6Byte) (0Byte) (4Byte) (1Byte) (1Byte) 44

3 LAN 45

A B C T: A T: B P: E S: B P: A S: C T: C P: B S: D T: E T: D E P: D S: A D P: C S: E Ω 46

3 LAN (1Byte) (1Byte) (1Byte) (1Byte) (1Byte) (1Byte) (1Byte) (1Byte) 47

DAS DAS FDDI DAS DAS DAS DAS 48

3 LAN FDDI A B DAS SAS SAS 3-23 (8Byte) (1Byte) (1Byte) (1Byte) 3-24 FDDI 49

(8Byte) (1Byte) (1Byte) (6Byte) (6Byte) (0Byte) (4Byte) (1Byte) (1Byte) 50

3 LAN FDDI Ω FDDI (MAC) FDDI (PHY) FDDIZ (SMT) PMD PMD PMD 51

OSI/RM WAN X.25PLP MAC LAPB Frame Relay HDLC PPP SDLC SMDS X.21bis EIA/TIA-232 EIA/TIA-449 V.24 V.35 HSSI G.703 EIA-530 50

4 WAN Modem Modem WAN 51

WAN ISDN WAN ADSL WAN 52

4 WAN ISDN WAN ADSL CSU/DSU WAN 53

DCE DCE DCE DCE DCE DCE DCE 54

4 WAN 55

5U 5U 5U 5U 5U 5U 5U 5U 5U 5U 4U 2U 2U 2U 2U 4U 2U 2U 2U 2U 2U 2U 2U 2U 56

4 WAN 57

POST DSL 58

4 WAN 59

OSI/RM ISDN 60

4 WAN R TE2 2B+D TA S 2B+D T 2B+D NT2 NT1 T 2B+D NT1 LAN TE1 TA S 2B+D S 2B+D S 2B+D NT2 NT1 NT1 NT1 U 2B+D ISDN 7 7 ISDN U 2B+D NT1 61

ISDN BRI=2B+D B B TA NT1 D 62

4 WAN ISDN PRI=23B+D 23B B TA NT2 NT1 D 63

64

4 WAN 65

66

4 WAN 67

68

4 WAN DTE DCE WAN DCE DTE DCE DCE DTE 69

(8Byte) (16Byte) () (16Byte) (8Byte) 70

4 WAN 71

(1Byte) LMI DLCI (2Byte) (1Byte) (1Byte) (1Byte) (1Byte) () FCS (16Byte) (8Byte) 72

4 WAN WAN TI MUX TI MUX / PBX 73

74

4 WAN 75

76

4 WAN 77

78

4 WAN 79

80

4 WAN 81

Flag 01111110 Address 11111111 Control 00000011 Protocol 8/16bit Info FCS 16/32bit Flag 01111110 82

4 WAN 83

84

4 WAN 172.16.0.253 172.16.200.14 172.16.200.13 172.16.3.253 A IBM2210 MODEM ASM-20 MODEM ASM-20 A IBM2210 A B DDN DDN DTU DDN 4-25 2 DDN 64kbit/s Modem 64kbit/s DDN DDN 2048kbit/s 85

86

OSI/RM 2 86

5 87

88

5 89

X Y 1 0 A 0 B 1 1 2 90

5 91

92

X A ID: 000001 Y 5 1 4 D B ID: 000010 D 2 19 D D X C ID: 000100 3 93

94

5 A (F) 0 (F) 1 (F) 0 B 0 C 1 (F) 2 1 (DIS) 95

() () () () () 96

5 4 1 4 1 97

3 2 1 VLAN 1 192.168.1.0 VLAN 2 192.168.2.0 VLAN 3 192.168.3.0 VLAN 4 192.168.4.0 98

5 99

S1 VLAN A VLAN A S2 S3 5-8 VLAN 100

5 101

102

5 LAN X PC1 PC2 PC3 WAN Internet Cisco 2950(SWA) Fast EtherChannel Cisco 2950(SWB) Cisco 2950 Cisco 2950(SWX) LAN Y PC4 PC5 PC6 PC7 PC8 PC9 103

5-10 PC 104 COM PC Console Cisco Catalyst 2950

5 105

106

5 107

108

5 FastEthernet 0/12 FastEthernet 0/12 VLAN Trunk Cisco Catalyst 2950 Cisco Catalyst 2950 5-11 VLAN 109

110

5 111

112

5 FastEthernet 0/12 FastEthernet 0/12 FastEtherchannel Cisco Catalyst 2950 Cisco Catalyst 2950 5-12 Fast Etherchannel 113

114

5 115

116

5 117

118

6 IP 6-1 0 4 8 16 19 24 31 4bit 4bit 8bit (TOS) 16bit () 16bit 3bit 13bit 8bit (TTL) 8bit 16bit 32bit IP 32bit IP IP () 119

120

6 IP 0 3 4 5 6 7 D T R 6-3 121

6-4 1(600Byte) 2(600Byte) 3(600Byte) (a) 1400 1 1 1(0Byte) 2 2 2(600Byte) 3 3 3(1200Byte) (b) MTU=620 3 122

6 IP 123

124

6 IP 0 1 2 3 4 5 6 7 6-6 1 125 3 11000011.01101011.00000011.00011000 6-7 IP 125

126

6 IP 0 7 8 16 24 31 A 0 0 15 16 31 B 10 0 23 24 31 C 110 D 1110 E 11110 127

128

6 IP 0 1 2 3 4 31 1 1 1 1 129

1 140.10.1.0 140.10.0.0 3 140.10.3.0 2 140.10.2.0 130

6 IP (a) (b) 6-11 B 131

11111111 11111111 11111111 11100000 AND IP 01110010 11111100 00010100 01000100 01110010 11111100 00010100 01000000 114 252 20 64 00000000 00000000 00000000 00011111 AND IP 01110010 11111100 00010100 01000100 00000000 00000000 00000000 00000100 0 0 0 4 132

6 IP 11111111 11111111 0000000 0000000 ID 11111111 ID 11111111 1111000 ID 0000000 ID 6-12 8 133

1 156.32.16.0 8 156.32.128.0 7 156.32.112.0 2 156.32.32.0 6 156.32.96.0 3 156.32.48.0 4 156.32.64.0 5 156.32.80.0 134

6 IP 135

1 172.16.16.0 2 172.16.32.0 3 172.16.48.0 4 172.16.64.0 5 172.16.80.0 6 172.16.96.0 7 172.16.112.0 8 172.16.128.0 9 172.16.144.0 10 172.16.160.0 11 172.16.176.0 12 172.16.192.0 13 172.16.208.0 1 172.16.225.0 2 172.16.226.0 3 172.16.227.0 4 172.16.228.0 5 172.16.229.0 6 172.16.230.0 136

6 IP 137

138

6 IP IPv6 IPv6 TCP(UDP) 139

0 3 4 11 12 15 16 23 24 31 16byte 16byte IPv6 TCP + 140

6 IP IPv6 TCP + IPv6 TCP + (8bit) (8bit) 141

0 8(bit) 6-21 Pad1 142

6 IP 1 8(bit) (8bit) (8bit) 8 8 143

(8bit) (8bit) (8bit) (8bit) 144

6 IP (8bit) (8bit) (13bit) (2bit) M (1bit) (32bit) 145

146

6 IP 147

148

6 IP 149

150

6 IP (n bit) (128 n bit) 151

152

6 IP (128bit) (n bit) (128 n bit) 153

FP (3bit) TLA (12bit) RES (3bit) NLA (24bit) SLA (16bit) (64bit) 154

6 IP NLA1(n bit) (24 n bit) NLA1(n bit) (24 n bit) NLA1(n bit) NLA2(m bit) (24 n m bit) NLA1(n bit) NLA2(m bit) NLA3(h bit) (24 n m h bit) 155

SLA1(n bit) (16 n bit) SLA1(n bit) SLA2(m bit) (16 n m bit) 0 15 16 31 32 47 48 63 ccccccugcccccccc ccccccccmmmmmmmm mmm mmm 156

6 IP (121bit) 1111 1110 10(10bit) 0(54bit) (64bit) 157

1111 1110 11(10bit) 0(38bit) (16bit) (64bit) 0000 0000 00000000 0000(96bit) IPv4 (32bit) 0000 0000 00000000(80bit) 1111 1111 1111 1111(16bit) IPv4 (32bit) 158

6 IP 159

(n bit) ( 0128 n bit) 160

6 IP 1111 1111(8bit) (4bit) (4bit) (112bit) 0(1bit) 0(1bit) 0(1bit) T(1bit) 161

162

6 IP 1111 1111(8bit) (4bit) (4bit) 00000000(80bit) (32bit) 163

164

6 IP A IP=10.9.8.1 B 00-50-04-93-F7-21 IP IP 10.9.8.1 FTP IP FTP IP FTP FTP 00-50-04-93-F7-21 A B C IPb (a) A B C IPb Mb A B C (b) 165

IP Y ARP IP N ARP ARP N Y 166

6 IP ARP N Y ARP Y Y 167

A MAC RARP IP RARP (a) IP IP (b) 168

6 IP ARP ARP 0 8 16 24 31 (8bit 0~3) (8bit 4~5) IP (8bit 0~1) IP (8bit 2~3) (8bit 0~1) (8bit 2~5) IP (8bit 0~3) 169

H2 H2 ARP 1 H1 H2 LAN1 ARP LAN2 (a) ARP H1 H2 LAN1 ARP LAN2 (b) 170

6 IP 171

172

6 IP ICMP ICMP ICMP IP IP IP 6-53 ICMP 0 7 8 15 16 (8bit) (8bit) (16bit) ICMP 173

0 8 16 31 (3) (0~5) +64bit 174

6 IP 0 8 16 31 (11) (0~1) +64bit 175

0 8 16 31 (4) (0) +64bit 0 8 16 31 (5) (0~3) IP +64bit 176

6 IP 177

202.112.31.0 A eth1 202.112.31.25 202.112.31.254 202.112.45.0 202.112.31.253 202.112.45.254 Internet 202.112.45.38 202.112.45.57 202.112.45.24 178

177

3 3 3 2 2 2 1 1 1 178

7 179

180

7 3 3 3 2 2 2 1 1 1 181

ATM ATM ATM RS ATM RS= RS RS ATM RS ATM RS ATM ATM 182 RS=

7 183

184

7 185

186

7 5 4 7 6 IP 5 7 IP =6 187

172.20/16,1 172.20/16,1 172.20/16,3 172.20/16,7 172.20/16,4 172.20/16 TSR#2 TSR#3 TSR#4 172.20/16 172.20/16 172.20/16 172.20/16 172.20/16 1 1 3 3 7 7 4 4 188

7 2 2 2 1 23 1 1 TSR 1 7 3 2 16 2 1 1 2 3 7 2 23 16 1 2 IP 2 COS(3) S(1) TTL(8) 189

X TSR #1 A X C X TSR #4 Y 1 1 =4 TIB TSR =4 TSR N =4 TIB 190

7 1 1 N =?? TIB =4 TSR =4 TSR =4 TIB 191

192

7 193

194

7 195

196

7 197

10.0.0.0 B A C 192.168.98.0 172.20.0.0 D 192.168.99.0 198

7 10.0.0.0 B A C 192.168.98.0 172.20.0.0 D 192.168.99.0 199

Link State OSPF RIP IGP EIG Distance vector EIG BGP RIP II IGRP EIGRP 10.0.0.0 192.168.98.0 A =1 =1 =1 C 172.20. 0.0 B =1 D 192.168.250.0 200

7 201

202

7 10.0.0.0 192.168.98.0 A C B D 172.20. 0.0 192.168.250.2 PC 203

204

7 10.0.0.0 192.168.98.0 A C B D 172.20. 0.0 192.168.250.2 PC 1 10.0.0.0 3 192.168.98.0 A C B D 2 172.20. 0.0 192.168.250.2 PC 205

206

7 207

208

7 209

1 1 1 2 0 2 AFI 2 0 4 4 0 4 0 2 4 4 0 4 0 2 210

7 A C B 7-23 RIP 211

212

7 192.168.130.0 A =1 192.168.125.0 172.31.1.0 B =1 =1 C 192.168.254.0 192.168.130.10 192.168.130.15 192.168.254.20 192.168.254.5 192.168.125.2 192.168.125.9 172.31.1.0 192.168.130.0 A 192.168.125.0 B C 192.168.254.0 192.168.130.10 192.168.130.15 192.168.254.20 192.168.254.5 192.168.125.2 192.168.125.9 T1 =1 56kbit/s =1 213

172.31.1.0 192.168.130.0 A 192.168.125.0 B C 192.168.254.0 192.168.130.10 192.168.130.15 192.168.125.2 192.168.125.9 T1 =1 56kbit/s =1 192.168.254.20 192.168.254.5 172.31.1.0 192.168.130.0 A 192.168.125.0 B C 192.168.254.0 192.168.130.10 192.168.130.15 192.168.125.2 192.168.125.9 T1 =1 56kbit/s =1 192.168.254.20 192.168.254.5 214

7 215

172.31.1 172.31 192.168.125 A 172.31.12 B 172.31.254 C 192.168.125.10 192.168.125.15 172.31.12.2 172.31.12.9 172.31.254.20 172.31.254.5 216

7 217

218

7 IP 219

1 1 2 ID 4 ID 4 2 2 8 220

7 OSPF (192) (32) HELLO (16) (8) (8) (32) / (64) ID(n32) OSPF (192) (5) I M MS DD (n32) (1~n) LSA OSPF (192) 1 (32) ID1 (32) 1(32) n(32) ID n(32) n(32) 221

OSPF (192) (160) (6) E B (8) (16) ID(32) (32) (8) (8) 0 (16) n(8) (8) n (16) = 0 222

7 OSPF (192) (32) ID(32) (32) (32) (16) (16) 223

224

7 225

LAN4 LAN5 Internet ROUTER3 E0 E1 S0 LAN1 LAN2 E1/0 E1/1 S0/0 ROUTER1 S0/2 S0/1 S0/3 S0 ROUTER2 E0 LAN3 ROUTER4 S0 E0 LAN6 226

7 227

228

7 229

230

7 231

LAN4 LAN5 Internet ROUTER3 E0 E1 S0 LAN1 LAN2 E1/0 E1/1 S0/0 ROUTER1 S0/2 S0/1 S0/3 S0 ROUTER2 E0 LAN3 ROUTER4 S0 E0 LAN6 232

7 233

234

7 235

LAN4 LAN5 Internet ROUTER3 E0 E1 S0 LAN1 LAN2 E1/0 E1/1 S0/0 ROUTER1 0 S0/2 S0/3 S0/1 S0 ROUTER2 E0 LAN3 ROUTER4 S0 E0 LAN6 236

7 237

238

7 239

238

8 239

240

8 PPP Internet VPN PPTP L2TP VPN ISP PPP PPTP L2TP VPN 241

242

8 243

244

8 NAT 245

246

8 10.10.10.1/24 E0 S0 NAT 172.16.10.1/24 247

10.10.10.1/24 E0 S0 NAT 172.16.10.1/24 248

8 Web 1080 10.10.10.8/24 E0 S0 NAT 172.16.10.1/24 249

250

8 10.1.1.1 192.168.1.52 Internet 10.1.1.2 VPN 172.22.112.12 172.16.1.1 251

252

8 253

254

8 255

256

8 257

257

NFS TELNET FTP HTTP SMTP RPC SNMP DNS TFTP TCP UDP LCMP IP IGMP ARP RARP Ethernet, Token Ring, FDDI, PPP/SLIP, X.25 258

9 IP TCP IP TCP TCP 20 20 9-2 TCP IP 0 4 10 16 24 31 (Source port) (Destination Port) (SEQUENCE NUMBER) (ACK-Acknowledgement Number) (HLEN) (Reserved) (Code Bits) (Window) (Checksum) (URG Pointer) ()Option 259

URG ACK PSH RST SYN FIN 260

9 SYN, ISN=100 SYN, ISN=300, ACK=101 SEQ=101, ACK=301 Internet 9-5 TCP 261

FIN, SEQ=400, ACK=600 SEQ=600, ACK=401 FIN, SEQ=600, ACK=401 SEQ=401, ACK=601 Internet 9-6 TCP 262

9 263

12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 264

9 265

IP UDP IP UDP UDP 20 8 9-9 UDP 0 15 16 31 16 16 16 UDP 16 UDP 8 () 266

9 0 15 16 31 32 IP 32 IP UDP 0 8 (17) 16 UDP 16 16 UDP 16 16 UDP UDP (0) 267

UDP UDP IP UDP Packet IP UDP IP UDP (1473 ) A. IP 1500 IP UDP (1472 ) 1 IP 2 1 B. 1 2 9-13 IP 1 IP UDP (2000 ) A. IP 820 IP UDP (792 ) 1 792 IP UDP (792 ) 2 792 IP UDP (416 ) 3 416 B. 3 1 2 3 268

9 269

270

9 271

272

273

274

10 275

0 1 2 3 31 1 1 1 0 276

10 277

0 8 16 31 D 278

10 279

280

281

arpa com edu org ad zw 282

11 edu edu. bit bit.edu. atc atc.bit.edu. challenger challenger.atc.bit.edu. FQDN challengeratc.bit.edu. cs.hmme.com. www.funy.int. PQDN challengeratc.bit.edu. cs.hmme www 283

com edu com edu gov int mil net org bit atc chal chal.atc.bit.edu. 284

11 285

au cn us edu bit www www.bit.edu.cn. arpa in-addr 132 34 45 121 121.45.34.132.in-addr-arpa 11-9 286

11 287

(a) (b) 0 0 0 0 1 5 6 7 8 9 12 16 QR OpCode AA TC RD RA rcode 288

11 289

290

11 291

3 8 7 4 edu com 2 9 6 5 1 10 bit.edu mcgraw.com 292

11 5 6 1 3 4 edu com 2 bit.edu mcgraw.com 7 8 9 10 293

293

0 8 16 24 31 ID IP IP IP IP 16 64 128 64 294

12 BOOTP DHCP 295

0 8 16 24 31 ID IP IP IP IP 16 64 128 312 296

12 BOOTP DHCP 297

(1) DHCP IP DHCP (DHCPDISCOVER) IP (2) DHCPOFFER (3) IP DHCPREQUEST (5) DHCPACK (4) NO DHCPDECLINE (6) (DHCPRELEASE) 298

12 BOOTP DHCP 299

DHCP DHCP 1 2 DHCP DHCP DHCP 300

301

302

13 A B C A B C 303

304

13 305

SMTP SMTP / SMTP 220 HELO 220 OK MAIL FROM 250 OK RCPT TO: 250 OK DATA 345 CRIF CRIF CRIF CRIF 250 OK QUIT 220 306

13 307

308

13 309

310

13 311

312

13 RRQ WRQ DATA ACK ERROR OpCode=1 0 0 2 1 1 313

OpCode=2 0 0 2 1 1 OpCode=3 2 2 0~512 OpCode=4 2 2 13-10 ACK 314

13 OpCode=5 0 2 2 1 315

PRQ WRQ ascii file1 1 ascii file1 1 DATA ACK 3 1 ERROR OR 4 ERROR 0 OR 5 5 (a) (b) 316

13 ack5 ack6 ack6 ack7 ack7 317

69 (a) 50032 69 (b) 50032 69 62000 (c) 318

13 LAN 13-15 TELNET A B NVT NVT TELNET TELNET TCP/IP TCP/IP 319

A A Z 320

13 321

1 2 3 255 253 24 WILL IAC 13-18 TELNET 322

13 323

RTP (V) RTP (A) IP UDP RTP (V) RTP (A) UDP A V A V UDP IP RTP IP 0 8 16 31 C P X CSRC M (SSRC) (CSRC) 324

13 325

326

13 RTP RTCP UDP IP RTP RTCP RTP UDP RTCP RTP UDP RTCP IP IP 327

0 2 8 16 31 V=2 P RC PT=SR=200 SSRC NTP NTP RTP SSRC_1 SSRC 1 SR (LSR) SR SSRC_2 SSRC 2 328

13 1.5Mbit/s 1.5Mbit/s MPEG H.261 3256kbit/s 100Mbit/s 1.5Mbit/s 256kbit/s 1Mbit/s 329

64kbit/s 64kbit/s PCM PCM 64kbit/s 100Mbit/s 64kbit/s 64kbit/s 330

13 331

332

13 333

334

13 NMS NMA NMS NMA SNMP SNMP SNMP SNMP MA MA MA MA MIB MIB MIB MIB NE NE NE NE NMS MA NMA MIB NE (PDU) ID VarBindList Get/Getnext/Set PDU VarBind VarBind VarBind (PDU) VarBind VarBindList PDU 335

Mib-2 1.3.6.1.2.1 sys if at ip icmp tcp edp egp trans snmp 1 2 3 4 5 6 7 8 9 10 1.3.6.1.2.1 udp 1 2 3 4 5 dupin Datagrams udpno Ports udpin Errors udpout Datagrams 1 udptable udpenry 1 2 udplocal Address udplocal Port 336

13 udpindatagrams 1.3.6.1.2.1.7.1 udpnoports 1.3.6.1.2.1.7.2 udpinerrors 1.3.6.1.2.1.7.3 udpoutdatagrams 1.3.6.1.2.1.7.4 udpindatagrams 1.3.6.1.2.1.7.1.0 udpnoports 1.3.6.1.2.1.7.2.0 udpinerrors 1.3.6.1.2.1.7.3.0 udpoutdatagrams 1.3.6.1.2.1.7.4.0 udpindatagrams (1.3.6.1.2..1.7.1) udplocaladdress (1.3.6.1.2.1.7.5.1.1) udpenry (1.3.6.1.2.1.7.5.1) udplocalport (1.3.6.1.2.1.7.5.1.2) udpnoports (1.3.6.1.2..1.7.2) udpinerrors (1.3.6.1.2..1.7.3) udplocaladdress (1.3.6.1.2.1.7.5.1.1) udpenry (1.3.6.1.2.1.7.5.1) udplocalport (1.3.6.1.2.1.7.5.1.2) udpoutdatagrams (1.3.6.1.2..1.7.4) udplocaladdress (1.3.6.1.2.1.7.5.1.1) udpenry (1.3.6.1.2.1.7.5.1) udplocalport (1.3.6.1.2.1.7.5.1.2) udptable (1.3.6.1.2.1.7.5) udptable 1.3.6.1.2.1.7.5 337

udpentry 1.3.6.1.2.1.7.5.1 udplocaladdress 1.3.6.1.2.1.7.5.1.1 udplocalport 1.3.6.1.2.1.7.5.1.2 181.23.45.14 23 1.3.6.1.2.1.7.5.1.1.181.23.45.14.23 1.3.6.1.2.1.7.5.1.1.181.23.45.14.23 192.13.5.10 161 1.3.6.1.2.1.7.5.1.1.192.13.5.10.161 1.3.6.1.2.1.7.5.1.1.192.13.5.10.161 227.2.45.18 180 1.3.6.1.2.1.7.5.1.1.227.2.45.18.180 1.3.6.1.2.1.7.5.1.1.227.2.45.18.180 230.20.5.24 212 1.3.6.1.2.1.7.5.1.1.230.20.5.24.212 1.3.6.1.2.1.7.5.1.1.230.20.5.24.212 udplocaladdress.181.23.45.14.23 1.3.6.1.2.7.5.1.1.181.23.45.14.23 338

13 181.23.45.14 23 1.3.6.1.2.1.7.5.1.1.181.23.45.14.23 1.3.6.1.2.1.7.5.1.1.181.23.45.14.23 192.13.5.10 161 1.3.6.1.2.1.7.5.1.1.192.13.5.10.161 1.3.6.1.2.1.7.5.1.1.192.13.5.10.161 227.2.45.18 180 1.3.6.1.2.1.7.5.1.1.227.2.45.18.180 1.3.6.1.2.1.7.5.1.1.227.2.45.18.180 230.20.5.24 212 1.3.6.1.2.1.7.5.1.1.230.20.5.24.212 1.3.6.1.2.1.7.5.1.1.230.20.5.24.212 339

PDU 340

13 Packet Manager Agent IP header UDP header GetRequestmessage 30 03 01 04 00 00 1D 01 01 00 0D 03 01 05 34 30 40 00 02 30 02 06 00 30 06 06 07 00 02 0C 02 04 00 1F 04 11 02 0F 09 01 01 01 02 02 01 04 A0 00 02 01 30 01 02 00 341

341

342

14 343

344

14 345

346

14 347

348

14 349

350

14 351

352

14 353

354

14 355

OSI/RM NetWare NetBIOS NetWare SHELL NetWare (NCP) RPC RPC LU6.2 SPX IPX IEEE 802.3 IEEE 802.5 FDDI ARCNET PPP 356

357

OSI/RM SNA 2 IBM SNA OSI/RM 358

359

OSI/RM VINES StreetTalk RPC IPC () SPP () VIP ARP RTP ICP 1 32 33 48 () () 360

361

362

OSI/RM DECnet Phase IV DNA 363

364

365

366