Avaya BCM 4.0 Networking Konfigurationsanleitung Seite 726
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726 Appendix D Stateful Packet Filters
N0060606N0060606
• IID: ICMP protocol session identifier
• ISEQ: ICMP protocol session sequence number
Examples of Stateful Session Processing
Example 1: ICMP
Setup:
Default rule: Enabled – Block incoming except IP phones
Outbound rules: None
Inbound rules:
Disposition: Block, SA: 10.10.10.2/32, stateful is enabled
Assumptions: No stateful sessions present to start
Scenario:
Table 180 Stateful Session Creation
Protocol Tuple Timeout Notes
ICMP PT, SA, DA, IID,
ISEQ
5 secs The session is selectively created when the following
ICMP operations numbers are present the in ICMP
playload:
8: echo request
13: timestamp request
15: information request
17: address mask request
TCP PT, SA, DA, SP,
DP
Varies from 30 secs
to 2 hours based on
TCP state machine
Extensive checks are performed against the TCP state
machine after a matching stateful session is retrieved.
This ensures early aging of the session in all cases.
UDP PT, SA, DA, SP,
DP
5 mins The timeout is always 5 minutes except for IKE packets
(SP and DP is equal to 500) where the timeout is 8
hours.
UDP PT, SA, DA, SP,
DP
5 mins The timeout is always 5 minutes except for IKE packets
(SP and DP is equal to 500) where the timeout is 8
hours.
ESP, AH PT, SA, DA 8 hours
Other protocols PT, SA, DA 5 mins
Table 181 Example 1: ICMP (Sheet 1 of 2)
Direction IP Datagram Outcome
Outbound PT: ICMP, SA: 10.10.10.1, DA: 10.10.10.2
ICMP: type 8 (echo request), IID:100, ISEQ: 1
No stateful session [ICMP, 10.10.10.1, 10.10.10.2,
100, 1]] is found. No user rule is found so the
default rule is used. A stateful session is created
with a disposition to “pass”.
- Document Status: Standard 1
- Document Version: 01.04 1
- Part Number: N0060606 1
- Date: May 2009 1
- Trademarks 2
- Task List 3
- 10 Task List 10
- N0060606N0060606 10
- Contents 11
- Chapter 25 16
- Chapter 26 16
- Chapter 61 23
- Chapter 62 23
- Appendix C 27
- Appendix D 27
- 28 Contents 28
- Chapter 1 29
- Acronyms 30
- About BCM 31
- BCM features 32
- BCM applications 32
- Related publications 34
- System Programming 35
- Telephones and Peripherals 35
- Digital Mobility 35
- IP Telephony 35
- Call Pilot 35
- Contact Center 36
- Other Applications 36
- User Guides 36
- Other applications 38
- How to get Help 39
- Chapter 2 41
- DID system 42
- Basic telephony routing 43
- Private network parameters 45
- Keycode requirements 46
- Lines used for networking 46
- Toronto office 49
- New York office 49
- System dialing plans 50
- Routing for tandem networks 51
- Trunk Route Optimization 55
- Trunk Anti-tromboning 55
- ETSI Euro network services 57
- DPNSS 1 services 58
- DPNSS 1 capabilities 58
- DPNSS 1 features 59
- Three party service 60
- Making a conference call 60
- Using the diversion feature 61
- MORE and the star key (*) 62
- Intrusion levels 63
- Call Offer 63
- Call Offer Displays 63
- User actions 64
- Figure 11 DPNSS networking 66
- Chapter 3 67
- Incoming calls 70
- Outgoing calls 74
- Chapter 4 77
- Total Resources 78
- Reserved Resources 79
- Table 10 Total Resources 80
- Details for application 81
- Chapter 5 83
- Signaling channels 84
- Media channels 84
- DSP resources 84
- Voice bus paths 84
- Signaling channel rules 85
- Media channel rules 85
- DSP resources rules 86
- Voice bus path 87
- ISDN WAN (Dial-up/Nailed-up) 88
- Voice mail and CC 88
- IVR and IVR Fax 89
- IP Trunks 90
- Record of required resources 93
- Evaluation 94
- Changing the DS30 split 98
- Chapter 6 101
- Media bay module Bus numbers 103
- Identifying the module 103
- These fields must agree 105
- Module types and capacities 106
- 4 lines per module 107
- Ports on Bus 108
- Timing within networks 111
- Interface levels 112
- Internal CSU 113
- Figure 27 E1 Parameters 114
- Figure 28 Translation Mode 115
- Provisioning a line 116
- To provision a line 116
- Internally-driven channels 117
- Working with the modules 118
- Chapter 7 119
- Trunk Port Details record 120
- Chapter 8 121
- Telephony Resources table 122
- Media bay module panels 124
- 460, or 126
- Port details 130
- IP telephones 133
- IP telephone set details 135
- Voice over IP trunks 136
- Figure 38 Routing Table 137
- IP Trunk Settings 138
- Table 33 IP Trunk Settings 139
- H323 Settings 140
- H323 Media Parameters 143
- SIP Settings 145
- SIP Media Parameters 147
- SIP URI Map 149
- Chapter 9 151
- Keycodes 152
- Local gateway programming 153
- Routing Table 154
- PSTN call to remote node 155
- Call process 156
- Describing a fallback network 157
- How fallback routing works 158
- Gatekeeper call scenarios 161
- Chapter 10 165
- Trunk/Line data - main panel 166
- Parameters 168
- Properties 169
- Preferences (lines) 171
- Assigned DNs 175
- Figure 55 Add a DN record 176
- Chapter 11 177
- Configuring PRI line features 179
- Chapter 12 183
- Chapter 13 187
- Chapter 14 193
- Chapter 15 199
- Chapter 16 205
- Configuring DID line features 208
- Chapter 17 211
- • Trunk type: DASS2 213
- Chapter 18 217
- • Trunk type: DPNSS 219
- Chapter 19 223
- Configuring BRI lines 225
- Chapter 20 229
- DN records: ISDN devices 230
- Prerequisites 231
- Chapter 21 233
- Figure 76 Loops table 234
- Table 46 Loops main panel 234
- T-loop general settings 235
- T-loop SPIDS and network DNs 235
- T-loops D-packet service 237
- S-loops assigned DNs 238
- Table 50 Loop settings 239
- Chapter 22 241
- Business name display 242
- Name display 243
- Chapter 23 247
- Programming incoming CLID 249
- Programming outgoing CLID 250
- Chapter 24 253
- 254 Chapter 24 Dialing plans 254
- Chapter 24 Dialing plans 255 255
- 256 Chapter 24 Dialing plans 256
- Private network dialing 257
- Outgoing call routing 258
- Outgoing public calls routing 259
- Incoming call routing 260
- Processing incoming calls 261
- 262 Chapter 24 Dialing plans 262
- Chapter 24 Dialing plans 263 263
- Extension 2246 264
- Extension 2280 264
- Understanding access codes 265
- Call Park codes 266
- Creating Direct Dial sets 267
- Tips about access codes 268
- Line pool access codes 269
- Using Carrier codes 270
- Configuring call routing 270
- Routing configuration 271
- Supporting protocols 271
- Call-by-Call services 272
- Chapter 24 Dialing plans 273 273
- Call by Call service routing 274
- Using destination codes 275
- Why use destination codes? 276
- Deciding on a code 277
- Configuring Absorbed length 278
- Chapter 24 Dialing plans 279 279
- 280 Chapter 24 Dialing plans 280
- Chapter 24 Dialing plans 281 281
- 282 Chapter 24 Dialing plans 282
- Figure 90 Routing workflow 284
- National access code 61 293
- Special access code 9 293
- Figure 97 Routes tab 296
- Destination codes 298
- Second Dial Tone 301
- Figure 100 Second Dial Tone 302
- Table 4 Second Dial Tone 302
- Chapter 27 303
- Line pool access code notes: 304
- Line pools: DNs tab 305
- Table 56 306
- Chapter 28 309
- DN length constraints 312
- Received number notes 313
- Chapter 29 317
- Public Network Settings 318
- Public network DN lengths 319
- Modifying a DN prefix 320
- Carrier Codes 321
- To add a carrier code 322
- To modify a carrier code 322
- To delete a carrier code 322
- Chapter 30 323
- Private Network Settings 324
- Chapter 31 329
- Public network: DID system 330
- Chapter 32 333
- Callers using BCM 334
- Callers in the public network 334
- Chapter 33 335
- Software requirements 336
- Message Waiting Indication 337
- Break-in 339
- MCDN networking checklist 340
- UDP-specific programming 342
- CDP-specific programming 342
- Meridian TRO programming 344
- West End office: 347
- East End office: 348
- WarehouseHead Office 349
- Networking with ETSI QSIG 350
- Chapter 34 353
- Dialout: 5234 6334 7434 354
- Chapter 35 355
- Remote access to the network 356
- Types of private networks 356
- Chapter 36 359
- Chapter 37 363
- Using VoIP to tandem systems 367
- To set up a network of BCMs 368
- Chapter 38 371
- Using the Redirection feature 372
- Call offer 373
- Route optimization 374
- Loop avoidance 374
- Private networking with DPNSS 374
- Figure 124 DPNSS networking 376
- Chapter 39 379
- Parameter Setting 381
- Chapter 40 383
- New York: Public network 385
- Chapter 41 387
- Chapter 42 391
- Meridian system as host 392
- System set up for host system 392
- To configure the host system 393
- Line Access tab 395
- Fwd No Answer field 395
- Chapter 43 397
- Telephones 398
- Gatekeepers 398
- SIP Proxy 398
- IP Network 398
- Key VoIP concepts 399
- 400 Chapter 43 VoIP overview 400
- Chapter 44 401
- Chapter 45 415
- Setting up the local gateway 416
- Setting up remote gateways 418
- To configure a remote gateway 419
- Configuring VoIP lines 420
- Chapter 46 423
- CS 1000 configuration 424
- Chapter 47 425
- To enable a T.38 fax 426
- Media gateways 426
- T.38 Fax restrictions 427
- 428 Chapter 47 T.38 fax 428
- Chapter 48 429
- To add the VoIP route 430
- To assign a VoIP line pool 431
- Examples: 432
- To deactivate a schedule 434
- Chapter 49 439
- Chapter 50 441
- Table 97 RTP over UDP 442
- UDP Port Ranges 443
- Signaling Port Ranges 444
- Chapter 51 445
- 446 Chapter 51 Media Gateways 446
- Chapter 52 447
- Default filters (other) 449
- Restriction filter examples 450
- Remote call-in programming 451
- Remote access line settings 452
- Remote access on DPNSS lines 453
- Defining CoS passwords 454
- External access tones 455
- Chapter 53 457
- Remote access on PRI 460
- Other programming 461
- Chapter 54 463
- To add a restriction filter 465
- Default filters 466
- Filter Heading Sub-heading 467
- 03 Lines Line restriction 467
- 04 Lines Remote restriction 467
- Chapter 55 469
- Chapter 56 473
- Programming references: 474
- Notes about CoS passwords 475
- CoS examples 476
- Chapter 57 479
- Chapter 58 481
- Network devices 482
- Network assessment 483
- Resource assessment 483
- Figure 146 Global settings 486
- VoIP trunks 490
- IP telephone records 490
- (N0060634) 491
- Prerequisites Yes No 491
- Chapter 59 493
- Network Interfaces panel 494
- Configuring LAN resources 495
- IP Settings 497
- 6 Click OK 498
- Additional IP Addresses 500
- Chapter 60 503
- Point-to-Point Protocol (PPP) 504
- WAN data compression 504
- Viewing WAN resources 505
- WAN Interface Properties 507
- WAN IP Address 508
- Setting WAN T1 Parameters 508
- To set WAN T1 parameters 508
- Table 13 WAN T1 parameters 509
- Setting WAN Sync Parameters 510
- To set WAN Sync Parameters 510
- Attribute Value Description 511
- Clock mode DTE 511
- Choose the clock mode 511
- PVC Configuration 513
- To add PVC congestion control 515
- To modify a PVC setting 516
- WAN PPP Parameters 516
- Multilink PPP Parameters 519
- To delete an IP address 523
- 526 Chapter 61 Data modules 526
- Chapter 61 Data modules 527 527
- To configure the DDI Mux 528
- Assigning the DDI Mux modules 528
- Assigning the line 529
- Removing a line assignment 530
- To remove a line assignment 530
- Chapter 61 Data modules 531 531
- Configuring a data module 532
- To delete a line assignment 533
- Line assignment 534
- Line pool access 535
- 536 Chapter 61 Data modules 536
- Dial-out for WANBackup 538
- Dial-out for SNMP traps 538
- Modem Dial-in 541
- Changing the Modem Region 542
- To change the Modem Region 542
- ISDN Dial-in 542
- Dial-out 543
- Configuring a modem interface 544
- Link Parameters 545
- Figure 168 Link Parameters 546
- IP Address Specification 547
- Access Parameters 548
- ISDN Dial-out 549
- Configuring an ISDN interface 550
- ISDN Channel Characteristics 551
- ISDN Link Parameters 552
- ISDN Access Parameters 553
- Characteristics table 555
- To delete an ISDN interface 555
- Settings required for PPPoE 556
- Configuring a PPPoE interface 557
- IP Address Specifications 559
- DNS Settings 560
- Deleting a PPPoE interface 562
- To delete a PPPoE interface 562
- Auto dial-out 563
- Create a dial-up interface 565
- Add the SNMP Trap destination 566
- Chapter 63 567
- Chapter 64 573
- Figure 182 Static Routes 574
- To delete a static route 575
- Figure 184 RIP parameters 581
- Figure 185 OSPF parameters 584
- OSPF NBMA Neighbors 586
- To add OSPF NBMA Neighbors 586
- To delete OSPF NBMA Neighbors 586
- Restarting the router 587
- Chapter 65 589
- Configuring the DHCP Mode 590
- Configuring a DHCP Server 590
- Figure 188 Subnets 591
- Table 141 Subnets 591
- LAN settings for DHCP Server 593
- Example: 594
- To add an address range 595
- To modify an address range 596
- To delete an address range 597
- To add a reserved address 597
- Modifying a reserved address 598
- Deleting a reserved address 599
- Viewing the Lease Information 599
- Remote Scope 600
- Attribute Definition 601
- To view the Lease information 604
- DHCP Server list 606
- Chapter 66 613
- Enabling and disabling NAT 614
- To select Default rules 615
- Adding a Rule to an interface 616
- Assigning filters to accounts 620
- Chapter 67 623
- To enable default rules 624
- To enable IP filters 625
- DSCP Marking 626
- Inbound Rules 627
- Adding an Inbound filter rule 628
- To add an inbound filter 628
- To modify an inbound filter 629
- To delete an inbound filter 629
- Outbound Rules 634
- DiffServ components 636
- IP service classes 636
- Table 155 Service classes 637
- To add an outbound filter 644
- To modify an outbound filter 644
- To delete an outbound filter 644
- Chapter 68 649
- DNS Server 650
- Encryption 652
- Encryption method 653
- Authentication method 653
- IPSec capacity restrictions 654
- Table 161 Rule 1 655
- Table 162 Rule 2 655
- Table 163 Rule 3 656
- Example of Rules 657
- Example 2 659
- IPSec Version 663
- IPSec Service 663
- Branch Office IPSec Tunnel 664
- Configuring the first BCM 673
- Configuring the second BCM 674
- Split Tunneling 675
- Static IP Address 677
- Remote User Tunnels 678
- To add a remote user tunnel 678
- Split Tunnel Networks 682
- To add a split tunnel network 682
- IP Address Pool 684
- To add an IP address pool 684
- To modify an IP address pool 685
- To delete an IP address pool 686
- Chapter 69 687
- Filter Rules” on page 623 690
- Chapter 70 691
- Chapter 71 695
- To modify Queue Settings 697
- QoS accounts 699
- Chapter 72 701
- 702 Chapter 72 VLAN overview 702
- Appendix A 703
- Fred here 706
- Comfort noise 707
- Appendix B 709
- Types of ISDN service 710
- ISDN layers 710
- ISDN bearer capability 711
- PRI services and features 711
- BRI services and features 712
- Service provider features 712
- Network name display 713
- Emergency 911 dialing 714
- ISDN hardware 715
- BRI hardware 716
- S Reference Point 716
- T Reference Points 716
- Clock source for ISDN 717
- ISDN BRI NT1 equipment 717
- ISDN standards compatibility 718
- Planning your ISDN network 718
- Ordering ISDN PRI 718
- Ordering ISDN BRI 718
- Appendix B ISDN overview 719 719
- Supported ISDN protocols 720
- RTP over IP (Sheet 2 of 2) 722
- Stateful session creation 725
- Example 1: ICMP 726
- Example 3: UDP and SIP 728
- Numerics 731
- 758 Index 758
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