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Cisco IOS-XE 4-byte ASN added to documentation

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Nath
2022-12-07 14:25:08 +11:00
committed by Vincent Bernat
parent c6f6e12a2b
commit b31c285fd6
1 changed files with 26 additions and 0 deletions
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console/data/docs/05-troubleshooting.md
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@@ -110,6 +110,31 @@ You can check they are correctly forwarded to Kafka with:
$ curl -s http://akvorado/api/v0/inlet/metrics | grep '^akvorado_inlet_kafka_sent_messages_total'
```
### 4 byte ASN 23456 showing in flow data
If you are seeing flows with source or destination AS of 23456 your exporter
needs to be configured with 4-byte ASN support.
See Cisco IOS-XE examples below (only relevant config lines shown).
2-byte ASN flow record config:
```cisco
flow record Akvorado
collect routing source as
collect routing destination as
!
```
4-byte ASN flow record config:
```cisco
flow record Akvorado
collect routing source as 4-octet
collect routing destination as 4-octet
!
```
### Dropped packets under load
There are various bottlenecks leading to dropped packets. This is bad
@@ -122,6 +147,7 @@ The first problem may come from the exporter dropping some of the
flows. Most of the time, there are counters to detect this situation
and it can be solved by lowering the exporter rate.
##### NCS5500 routers
[Netflow, Sampling-Interval and the Mythical Internet Packet Size][1]