51-4
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 51 Configuring NDE
Understanding NDE
The following tables describe the supported fields for NDE versions 5 and 7:
• Table 51-1—Version 5 header format
• Table 51-2—Version 7 header format
• Table 51-3—Version 5 flow record format
• Table 51-4—Version 7 flow record format
NetFlow version 9 record formats are described at this URL:
http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a00805e39
5a.html#wp1180857
Table 51-1 NDE Version 5 Header Format
Bytes Content Description
0–1 version NetFlow export format version number
2–3 count Number of flows exported in this packet (1–30)
4–7 SysUptime Current time in milliseconds since router booted
8–11 unix_secs Current seconds since 0000 UTC 1970
12–15 unix_nsecs Residual nanoseconds since 0000 UTC 1970
16–19 flow_sequence Sequence counter of total flows seen
20–21 engine_type Type of flow switching engine
21–23 engine_id Slot number of the flow switching engine
Table 51-2 NDE Version 7 Header Format
Bytes Content Description
0–1 version NetFlow export format version number
2–3 count Number of flows exported in this packet (1–30)
4–7 SysUptime Current time in milliseconds since router booted
8–11 unix_secs Current seconds since 0000 UTC 1970
12–15 unix_nsecs Residual nanoseconds since 0000 UTC 1970
16–19 flow_sequence Sequence counter of total flows seen
20–23 reserved Unused (zero) bytes
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