Avaya Configuring IP Utilities Manuel d'utilisateur Page 137
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Customizing NetBIOS over IP
304234-A Rev 00
8-7
Specifying the Size of the Name Cache
By default, NetBIOS allocates space for 100 entries in the name cache. You can
adjust this value in direct proportion to the total number of server names expected
to be active during intervals of peak traffic load or performance demand on the
router. A value of 100 is suitable for networks that include up to 100 NetBIOS
names to cache. You can use Site Manager to specify a value from 1 to
2,147,483,647 entries.
Aging a Cache Entry
The router ages cache entries to ensure that cached routes remain consistent with
the current network topology. If the cache table lookup mechanism does not
access a cache entry within the period you set in the appropriate Cache Aging
Time parameter, the router deletes the entry from the table.
If the router receives a broadcast name query request from a client and finds the
name and associated IP address of the requested server in its cache, the router
replaces the broadcast address on the name query request with the unicast IP
address. The router also assigns the entry a short time to live. If the entry is valid,
the router will receive a positive name query response (which will validate the
entry) from the server within the specified time to live. If the entry is invalid, the
name query request will not reach the server. In this case, the entry quickly ages
out.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
NetBIOS
. The NetBIOS menu opens.
4. Choose
Global
. The Edit NetBIOS/IP Global Parameters
window opens.
5. Set the
Max Name Cache Entries
parameter. Click on
Help
or see the
parameter description on page A-22
.
6. Click on
OK
. Site Manager returns you to the
Configuration Manager window.
- Configuring IP Utilities 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 304234-A Rev 00 10
- Before You Begin 17
- Text Conventions 18
- Acronyms 20
- How to Get Help 21
- Chapter 1 23
- Starting IP Utilities 23
- Starting Configuration Tools 24
- Starting TCP Services 26
- Starting FTP Services 27
- Starting TFTP Services 29
- Starting Telnet Services 30
- Starting NTP Services 32
- Starting NetBIOS over IP 34
- Starting the DNS Client 35
- Starting the DNS Proxy Server 37
- Chapter 2 39
- Overview of IP Utilities 39
- How TCP Works 40
- TCP Features 41
- TCP and IP Service Users 44
- FTP Overview 45
- How FTP Works 46
- Networks routers 47
- TFTP Overview 48
- Telnet Overview 49
- Telnet Server 50
- Telnet Client 51
- Figure 2-4. Telnet Client 52
- NTP Overview 53
- NTP Modes of Operation 56
- NetBIOS Overview 58
- NetBIOS in an IP Environment 59
- DNS Overview 62
- DNS Proxy Server 62
- How the DNS Cache Works 64
- Chapter 3 65
- Customizing TCP Services 65
- Disabling and Reenabling TCP 66
- Chapter 4 73
- Customizing FTP Services 73
- Disabling and Reenabling FTP 74
- Chapter 5 83
- Customizing TFTP Services 83
- Chapter 6 91
- Pausing Telnet Console Output 99
- Using the BCC 100
- Using Site Manager 100
- Changing the Login Timeout 101
- Changing the Password Timeout 102
- Changing the Command Timeout 103
- Changing Login Retries 104
- Customizing Telnet Services 107
- Changing the History File 109
- Changing the Remote Port 112
- Changing the Command Prompt 113
- prompt system1 114
- Chapter 7 115
- Customizing NTP Services 115
- Disabling and Reenabling NTP 116
- Adding Remote Time Servers 119
- Setting Local Host Mode 122
- Specifying Peer Preference 124
- Chapter 8 131
- Customizing NetBIOS over IP 131
- Configuring a NetBIOS Cache 134
- 15-character entity 135
- Aging a Cache Entry 137
- Customizing a Cache Search 138
- Chapter 9 147
- Customizing the DNS Client 147
- Disabling the Recursion Bit 151
- Modifying the DNS Server List 153
- Deleting DNS from the Router 158
- Chapter 10 161
- Customizing the DNS Proxy 161
- Appendix A 163
- Site Manager Parameters 163
- TCP Global Parameters 164
- FTP Global Parameters 166
- TFTP Parameters 169
- NTP Parameters 178
- NetBIOS Global Parameters 182
- DNS Global Parameters 190
- DNS Server Record Parameters 194
- DNS Proxy Server Parameters 195
- IP Accounting Parameters 204
- Appendix B 207
- Site Manager Default Settings 207
- FTP Parameters 208
- Telnet Parameters 209
- NetBIOS over IP Parameters 211
- DNS Client Parameters 212
- DNS Server Parameters 213
- Appendix C 215
- Configuring IP Accounting on 215
- (continued) 217
- Appendix D 219
- Specifying the Policy Action 221
- Specifying the IP Service 222
- Specifying the Precedence 223
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