Avaya Configuring Dial Services Uživatelský manuál Strana 40
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Hodnocené. / 5. Na základě hodnocení zákazníků
Configuring Dial Services
1-14
How Bandwidth-on-Demand Pools and Circuits Work Together
For each primary line that requires bandwidth-on-demand service, you assign a
pool ID. If a secondary line comes up, the circuit that runs over this line inherits
the configuration and protocol characteristics of the circuit running over the
primary line. Note that you must first configure a leased circuit and a bandwidth-
on-demand pool before you configure a bandwidth-on-demand circuit.
You can assign the same bandwidth pool ID to more than one primary line. If you
want only one secondary line dedicated to a primary line, configure only one line
in the pool and assign that pool exclusively to that circuit.
Activating Secondary Lines
When the router detects congestion on the primary line, it selects a secondary line
from a bandwidth-on-demand pool. If the secondary line does not relieve the
congestion, a third and possibly a fourth line are added. The router activates a line
only when the primary line is congested. Unlike dial backup, the additional line
does not activate if the primary line fails.
PPP multilink detects a state of congestion based on byte counts and the user-
configurable monitor parameters. The monitor parameters let you define
congestion thresholds for the primary line. If the data traffic exceeds a threshold,
the router attempts to activate a secondary line. Once the amount of traffic on the
primary line falls below the congestion threshold, the router again uses only that
line. Refer to “Monitoring Congestion on the Primary Circuit,” in Chapter 5, for
details about the monitor parameters.
Terminating Secondary Lines
The router brings down secondary lines for any of these reasons:
• The primary line fails
• The primary line is no longer congested
• The remote router terminates the connection
• There is a physical problem with the line
- Configuring Dial Services 1
- Bay Networks Software License 3
- Contents 5
- About This Guide 19
- CompuServe 21
- InfoFACTS 22
- World Wide Web 22
- How to Get Help 23
- Conventions 23
- Acronyms 24
- Chapter 1 27
- Dial Services Overview 27
- Dial-on-Demand Service 29
- Demand Lines and Pools 30
- Activating Demand Circuits 32
- Dial Backup Service 34
- Backup Lines and Pools 36
- Activating the Backup Line 37
- Bandwidth-on-Demand Service 38
- Activating Secondary Lines 40
- Terminating Secondary Lines 40
- Chapter 2 43
- ISDN Overview 43
- ISDN Standards 44
- Primary Rate Interface 45
- The D Channel 45
- Figure 2-3. LAPD Frame 46
- ISDN Interfaces 47
- Reference Points 48
- Chapter 3 51
- Implementation Notes 51
- D Channel Support 52
- B Channel Support 52
- S/T Interfaces 53
- BRI Subaddresses 54
- Selective PRI Service 55
- Call Screening 56
- Rate Adaption 56
- Example 1 57
- Example 2 57
- Point-to-Point Protocol 58
- IP Adjacent Hosts 61
- Data Compression 62
- PPP Multilink 63
- Static Routes 64
- Protocol Prioritization 65
- Breath-of-Life Messages 67
- Bandwidth for Backup Circuits 68
- Chapter 4 79
- Using the MIB Object ID 80
- Configuring Line Pools 80
- Pool ID Parameter 86
- Line Media Type Parameters 86
- Adding Line Pools 87
- Configuring ISDN Lines 91
- PRI Physical Interfaces 93
- MCT1/MCE1 Clock Parameters 97
- MCT1/MCE1 Port Parameters 98
- MCT1 Port Parameters 100
- Creating Line Pools 101
- Configuring Dial Services 102
- MCE1 Port Parameters 105
- MCT1/MCE1 Logical Lines 108
- Logical Lines Parameter 111
- (continued) 113
- (continued) 114
- Configuring ISDN Logical Lines 116
- Logical Lines Parameters 118
- fills in the fields below it 121
- Local Phone Number Parameters 123
- Changing a Line Pool 127
- Changing Lines in a Pool 128
- Port Parameters 134
- Timeslots 134
- Chapter 5 137
- Configuring Circuits 137
- Interface for Dialup Lines 139
- Demand Circuit Parameters 140
- Configuring Circuits 141
- Click on Done 151
- Schedule Parameters 152
- Deleting Demand Circuits 155
- 4. Click on OK to save 157
- Providing Backup Circuits 164
- Click on OK 166
- Circuit Options Parameters 168
- Primary Circuit Parameters 169
- (Figure 5-19) 175
- (Figure 5-20) 176
- Manager window 176
- Deleting Backup Circuits 178
- Click on Done to exit 182
- Congestion Monitor Parameters 189
- (Figure 5-26) 194
- Chapter 6 197
- Configuring Phone Lists 197
- Configuring Phone Lists 199
- Chapter 7 209
- Caller Resolution Table 209
- (Figure 7-2) 210
- Appendix A 217
- Configuration Examples 217
- Dial-on-Demand Using PPP 218
- Demand Pools Configuration 219
- Demand Circuit Configuration 220
- Configuration Examples 221
- Configuration of Router 1 222
- Configuration of Router 2 223
- Demand Pool Configuration 224
- Outgoing Phone List 225
- Protocol Configuration 226
- Backup Circuit Configuration 230
- Backup Pool Configuration 235
- Type)➔Circuit Options window 236
- Appendix B 239
- Appendix C 247
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