how to get network level packets information from ...
# ask-ai
b
how to get network level packets information from sip server? I am using self hosted approach
✅ 1
t
Thanks for reaching out, Utkarsh. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
Thanks — I’m replying about how to capture network-level packets from a self‑hosted SIP server. You can use standard packet-capture tools (tcpdump, tshark, or Wireshark) to collect SIP signaling and RTP media packets. Quick steps and tips: 1. Capture with tcpdump ◦ Example to capture SIP (5060/5061) and a common RTP port range:
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sudo tcpdump -i any -w sip_capture.pcap port 5060 or port 5061 or portrange 10000-20000
• Adjust the RTP port range to match your server’s configured media ports. 1. Inspect with Wireshark / tshark ◦ Open the .pcap in Wireshark and use filters like
sip
,
rtp
,
sdp
to isolate traffic. ◦ tshark command-line filters:
tshark -r sip_capture.pcap -Y sip
or
-Y rtp
. 1. What to look for ◦ SIP: INVITE/200/BYE messages, SDP offers/answers (media codecs, IP/port), Via/Contact headers. ◦ RTP: SSRC, sequence numbers, timestamps, payload types, packet loss/jitter. ◦ TLS: if SIP runs over TLS, capture will show encrypted payloads; you’ll still see IP/port and TLS handshake metadata. 1. Self-hosting considerations ◦ Ensure packet capture runs on the interface actually carrying SIP/RTP (or use a mirrored port). ◦ Ensure firewall/NAT rules and media port forwarding match your LiveKit/SIP configuration. ◦ If SIP service is in a container, capture on the host interface or inside the container network namespace. 1. Verification steps after capture ◦ Confirm SIP handshake and SDP negotiation succeeded. ◦ Confirm RTP streams are sent/received and check sequence/timestamp continuity. ◦ Check for NAT/ICE issues if media IPs in SDP don’t match expected addresses. If you want, tell me: • which ports/range your SIP/media are configured to use, • whether SIP uses TLS, • and whether the server is bare-metal, VM, or container — and I’ll give the exact tcpdump/tshark commands and filters tailored to your setup. Sources: SIP overview | LiveKit docs | Agents telephony integration | LiveKit Documentation | Understanding TLS in SIP | LiveKit, with interactive elements
b
how to integrate prometheus with livekit
t
Thanks — I’m responding about integrating Prometheus with LiveKit. LiveKit already exports Prometheus metrics (the server uses Prometheus client libraries and tracks session/participant/track-level metrics such as bitrate, packet loss, latency, bytes, and session duration). To integrate Prometheus: 1. Expose LiveKit metrics ◦ Ensure your LiveKit server process exposes the metrics HTTP endpoint (commonly /metrics) on the admin/telemetry port. Confirm which port your build/config uses. 1. Add a Prometheus scrape target ◦ In your Prometheus config (
prometheus.yml
) add the LiveKit endpoint:
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scrape_configs:
       - job_name: livekit
         static_configs:
           - targets: ['<LIVEKIT_HOST>:<METRICS_PORT>']
• Replace
<LIVEKIT_HOST>
and
<METRICS_PORT>
with your server host and the metrics port. 1. Deployment notes ◦ If self-hosted on a VM/container: capture metrics from the host or container network interface where LiveKit binds. ◦ If running in Kubernetes: add a Service targeting LiveKit pods and configure Prometheus to scrape the Service (or use a PodMonitor/ServiceMonitor if using Prometheus Operator). ◦ If metrics endpoint is behind auth or TLS, configure Prometheus scrape options (
basic_auth
,
tls_config
) accordingly. 1. Verify and build dashboards ◦ After scraping starts, check Prometheus for LiveKit metrics (look for names related to sessions, participants, bitrate, packet_loss, frames, etc.). ◦ Use Grafana to create dashboards; you can graph bitrate, packet loss, participant counts, and connection quality over time. If you’d like, tell me: • your deployment type (bare-metal/VM, Docker Compose, or Kubernetes), • LiveKit version and the metrics port you’re using, and I’ll provide the exact Prometheus scrape config and a sample Kubernetes Service/ServiceMonitor or Docker Compose snippet. Sources: server-sdk-go | livekit/livekit_composite | DeepWiki | Announcing LiveKit Cloud | LiveKit | Announcing LiveKit Cloud | LiveKit | Say hello to improved Cloud analytics | LiveKit | Server-side | livekit/livekit_composite | DeepWiki, with interactive elements