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Configuring Traffic Filters and Protocol Prioritization
2-16
308645-15.0 Rev 00
Monitoring Protocol Prioritization Statistics
To monitor and manage protocol prioritization, you use the Statistics Manager to
view statistics in the wfApplication.wfDatalink.wfProtocolPriorityGroup MIB
object group. For information about using the Statistics Manager to view MIB
objects and create custom screen reports, see Configuring and Managing Routers
with Site Manager.
To determine whether there are enough buffers in each priority queue for the
traffic flow on your network, use the Statistics Manager to examine the following
protocol prioritization statistics:
• High-Water Packets Mark
The greatest number of packets that have been in each queue.
• Clipped Packets Count
The number of packets that have been discarded from each queue. (The router
discards packets from priority queues that become full.)
• Transmitted Packets Count (ATM services only)
The number of packets transmitted for each queue.
• Transmitted Octet Count (ATM services only)
The number of octets transmitted for each queue.
• Packets Count (ATM services only)
The number of packets received and dropped from each queue.
Generally, if a queue’s Clipped Packets Count is high and the High-Water Packets
Mark is close to its queue size, that queue does not have enough buffers.
Note:
To determine whether statistics reflect a transient event, you may want
to reset the statistics and check again later before changing the priority
queuing configuration. You can reset the High-Water Packets Mark using the
Configuration Manager Edit Protocol Priority Interface window. You can reset
both the Clipped Packets Count and High-Water Packets Mark using the
Statistics Manager.
- Protocol Prioritization 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 308645-15.0 Rev 00 10
- Before You Begin 15
- Text Conventions 16
- Acronyms 17
- Hard-Copy Technical Manuals 20
- How to Get Help 20
- Chapter 1 21
- Using Traffic Filters 21
- Inbound Traffic Filters 22
- Outbound Traffic Filters 23
- Filtering Strategies 24
- Combine Filters 25
- Build a Firewall 25
- Traffic Filter Components 26
- from the known reference 27
- Predefined Criteria 28
- Using Filter Templates 33
- Chapter 2 35
- Priority Queuing 37
- The Dequeuing Process 37
- Tuning Concepts 44
- Examples 48
- Chapter 3 51
- Ethernet Header 52
- IEEE 802.2 LLC Header 52
- Transparent Bridge Actions 54
- Predefined SRB Criteria 55
- User-Defined SRB Criteria 56
- SRB Actions 56
- Predefined DECnet Criteria 57
- User-Defined DECnet Criteria 57
- DECnet Actions 57
- DLSw Criteria and Actions 58
- IP Criteria and Actions 59
- IP Actions 60
- IPX Criteria and Actions 61
- LLC2 Criteria and Actions 62
- OSI Criteria and Actions 63
- VINES Criteria and Actions 64
- XNS Criteria and Actions 65
- User-Defined XNS Criteria 66
- XNS Actions 66
- Chapter 4 67
- Selecting Predefined Criteria 68
- Traffic Filters 69
- Predefined IP Criteria 71
- Data Link Reference Points 73
- IP Reference Points 75
- Selecting Actions 76
- Prioritizing Actions 77
- Dial Service Actions 77
- Chapter 5 79
- Specifying MAC Address Ranges 80
- SRB Functional MAC Addresses 81
- Table 5-3. SAP Codes 82
- Table 5-4. Frame Relay NLPIDs 83
- Table 5-5. PPP Protocol IDs 83
- Chapter 6 89
- Chapter 7 109
- Creating a Template 112
- Customizing Templates 117
- Chapter 8 133
- Using the BCC 133
- IP Traffic Filter Templates 134
- IP Inbound Traffic Filters 135
- Filter Precedence 136
- Filter Criteria and Actions 137
- Caution: 140
- Templates 141
- Criteria 142
- is a space-delimited list 144
- Specifying the Log Action 151
- Configuration Examples 152
- Chapter 9 155
- Attributes option: 158
- Prioritization 166
- Direct PVCs and SVCs 167
- ATM0060A 168
- ATM0061A 169
- Appendix A 171
- Appendix B 181
- TCP and UDP ports: 182
- Length Range 186
- Implementation Notes 191
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