Avaya Configuring Traffic Filters and Protocol Prioritization Uživatelský manuál Strana 65
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Hodnocené. / 5. Na základě hodnocení zákazníků
Inbound Traffic Filter Criteria and Actions
3-7
IP Criteria and Actions
You filter inbound IP traffic based on specified bit patterns contained within the IP
header or the header of the upper-level protocol (TCP or UDP, for example)
conveyed within the IP datagram.
Predefined IP Criteria
Table 3-2 lists the predefined filtering fields for IP filters and the reference field,
offset, and length value for each criterion.
User-Defined IP Criteria
In addition to the predefined filter criteria, you can create IP traffic filters with
user-defined criteria by specifying an offset and length to these reference fields in
the IP header:
Note: The circuit names you enter in the Forward to Circuit list are
case-sensitive. For example, if the circuit name is E21, but you enter it as
e21,
the filter will not be saved.
Table 3-4. Predefined Criteria for IP Inbound Traffic Filters
Criterion Name Reference Field Offset Length
Type of Service HEADER_START 8 8
Protocol HEADER_START 72 8
IP Source Address HEADER_START 96 32
IP Destination Address HEADER_START 128 32
UDP/TCP Source Port HEADER_END 0 16
UDP/TCP Destination Port HEADER_END 16 16
Reference Field Description
HEADER_START Points to the first byte of the Type of Service
HEADER_END Points to the last byte of the IP Destination Address
- Protocol Prioritization 1
- Bay Networks Software License 3
- Contents 5
- About This Guide 15
- Before You Begin 16
- CompuServe 17
- How to Get Help 18
- Conventions 18
- Acronyms 20
- Chapter 1 21
- Using Traffic Filters 21
- Inbound Traffic Filters 22
- Outbound Traffic Filters 23
- What Do Traffic Filters Do? 25
- Filtering Strategies 26
- Components of Traffic Filters 27
- Predefined Criteria 28
- Using Traffic Filters 29
- User-Defined Criteria 31
- Filtering Actions 32
- Prioritizing Actions 32
- Using Filter Templates 33
- Chapter 2 35
- The Dequeuing Process 36
- Strict Dequeuing Algorithm 40
- Monitoring Statistics 42
- Percent of Bandwidth 43
- Queue Depth 43
- Queue Depth Example 44
- Reconfiguring Queue Depth 44
- Latency = 46
- Bits Queued 46
- Line Speed (bits per second) 46
- 2. Click on Edit Circuit 47
- (Figure 2-10) 50
- Chapter 3 59
- Transparent Bridge Actions 62
- Length (bits) 63
- Source Routing Actions 64
- IP Criteria and Actions 65
- IP Actions 66
- IPX Criteria and Actions 67
- XNS Criteria and Actions 68
- OSI Criteria and Actions 69
- User-Defined OSI Criteria 70
- OSI Actions 70
- Predefined DECnet Criteria 70
- VINES Criteria and Actions 71
- User-Defined VINES Criteria 72
- VINES Actions 72
- DLSw Criteria and Actions 73
- LLC2 Criteria and Actions 74
- Chapter 4 75
- Predefined Data Link Criteria 76
- Predefined IP Criteria 78
- Data Link Reference Points 80
- IP Reference Points 82
- Chapter 5 83
- Specifying MAC Address Ranges 84
- Table 5-3. SAP Codes 86
- (continued) 90
- Table 5-9. IP Protocol Codes 92
- Chapter 6 93
- <protocol> 94
- Click on Create 98
- Figure 6-8. Add Range Window 101
- 7. Click on OK 101
- Customizing Templates 104
- Editing a Template 105
- Creating an Inbound Filter 107
- Click on OK 108
- Editing an Inbound Filter 109
- Changing Filter Precedence 114
- Deleting an Inbound Filter 118
- Chapter 7 119
- Preparing Filter Templates 122
- Creating a New Template 123
- 2. Click on OK 129
- Creating an Outbound Filter 134
- Editing an Outbound Filter 136
- <protocol header> 138
- <filter criterion> 138
- Deleting an Outbound Filter 142
- Appendix A 143
- Configuration Examples and 143
- Implementation Notes 143
- Dial Backup Traffic 144
- Using Drop-All Filters 144
- • Length 148
- Length to 149
- (continued) 151
- Configuring DLSw 152
- Services 152
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