config: also listen to 4739 for IPFIX

This is the port defined in RFC 7011.

README.md

@@ -15,7 +15,7 @@ and is licensed under the [AGPLv3 license](LICENSE.txt).
 A demo site using fake data and running the latest stable version is
 available on [demo.akvorado.net](https://demo.akvorado.net). It is the
 direct result of running `docker compose up` on a fresh checkout but
-port 2055 is not accessible (you cannot send your own flows). Please,
+flow ports are not accessible (you cannot send your own flows). Please,
 be gentle with this resource. The demo site also enables you to browse
 the [documentation](https://demo.akvorado.net/docs) for the current version
 (the one in `docs/` is for the next version).

config/inlet.yaml

@@ -1,6 +1,7 @@
 ---
 flow:
   inputs:
+    # NetFlow port
     - type: udp
       decoder: netflow
       listen: :2055
@@ -8,6 +9,13 @@ flow:
       # Before increasing this value, look for it in the troubleshooting section
       # of the documentation.
       receive-buffer: 212992
+    # IPFIX port
+    - type: udp
+      decoder: netflow
+      listen: :4739
+      workers: 6
+      receive-buffer: 212992
+    # sFlow port
     - type: udp
       decoder: sflow
       listen: :6343

console/data/docs/00-intro.md

@@ -45,7 +45,8 @@ To connect your own network devices:
    - Configure interface classification rules in `outlet` → `core` → `interface-classifiers`
 
 1. Configure your routers/switches to send flows to *Akvorado*:
-   - NetFlow/IPFIX: port 2055
+   - NetFlow: port 2055
+   - IPFIX: port 4739
    - sFlow: port 6343
    
 1. Restart all containers:

console/data/docs/05-troubleshooting.md

@@ -104,9 +104,9 @@ akvorado_inlet_flow_input_udp_packets_total{exporter="241.107.1.15",listener=":2
 ```
 
 If your exporters are not listed, check their configuration. You can also use
-`tcpdump` to verify that they are sending packets. Replace the IP with the IP address
-of the exporter and the port with the correct port (2055 for NetFlow and 6343 for
-sFlow).
+`tcpdump` to verify that they are sending packets. Replace the IP with the IP
+address of the exporter and the port with the correct port (2055 for NetFlow,
+4739 for IPFIX and 6343 for sFlow).
 
 ```console
 # tcpdump -c3 -pni any host 241.107.1.12 and port 2055

console/data/docs/99-changelog.md

@@ -27,6 +27,7 @@ the ownership of the Prometheus volume:
 - 💥 *docker*: switch from Prometheus to Grafana Alloy for scraping metrics
 - 🩹 *outlet*: fix crash when scaling down and up the Kafka workers
 - 🩹 *outlet*: move gRPC metrics for BioRIS provider in the routing namespace
+- 🌱 *config*: listen to 4739 for IPFIX on inlet service
 - 🌱 *docker*: enforce bridge name
 - 🌱 *docker*: add Loki to the observability stack
 - 🌱 *docker*: add cAdvisor to the observability stack

docker/docker-compose.yml

@@ -141,6 +141,7 @@ services:
       service: akvorado
     ports:
       - 2055:2055/udp
+      - 4739:4739/udp
       - 6343:6343/udp
     restart: unless-stopped
     depends_on: