Ping Time Increase #148

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opened 2026-04-05 17:01:32 +02:00 by MrUnknownDE · 0 comments
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Originally created by @Discolor3182 on 3/6/2026

Describe the Bug

Hello,

When I connect the Pangolin client, I noticed there is a slow reply from devices from the same LAN subnet.

For example, I have a Pangolin client on 192.168.98.20. When I ping 192.168.98.1 it gives this result.

Pinging 192.168.98.1 with 32 bytes of data:
Reply from 192.168.98.1: bytes=32 time=34ms TTL=64
Reply from 192.168.98.1: bytes=32 time=31ms TTL=64
Reply from 192.168.98.1: bytes=32 time=31ms TTL=64
Reply from 192.168.98.1: bytes=32 time=32ms TTL=64

Ping statistics for 192.168.98.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 31ms, Maximum = 34ms, Average = 32ms

When I disconnect the Pangolin client, the ping results go back to normal.

But when I ping an IP on a different VLAN, say 192.168.10.1 the ping result is normal.

Pinging 192.168.10.1 with 32 bytes of data:
Reply from 192.168.10.1: bytes=32 time<1ms TTL=64
Reply from 192.168.10.1: bytes=32 time<1ms TTL=64
Reply from 192.168.10.1: bytes=32 time<1ms TTL=64
Reply from 192.168.10.1: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.10.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

Any ideas what could be causing this? I also tried this on another machine with the same result.

Note : Using latest Pangolin client (0.7.1) and server version (1.16.2) running on a Racknerd VPS.

Thank you.

Environment

  • OS Type & Version: (e.g., Ubuntu 22.04)
  • Pangolin Version:
  • Gerbil Version:
  • Traefik Version:
  • Newt Version:
  • Olm Version: (if applicable)

To Reproduce

Connect client and ping results in slow response.
Disconnect client and ping results return to normal.

Expected Behavior

Ping should be normal when client is connected.

*Originally created by @Discolor3182 on 3/6/2026* ### Describe the Bug Hello, When I connect the Pangolin client, I noticed there is a slow reply from devices from the same LAN subnet. For example, I have a Pangolin client on 192.168.98.20. When I ping 192.168.98.1 it gives this result. Pinging 192.168.98.1 with 32 bytes of data: Reply from 192.168.98.1: bytes=32 time=34ms TTL=64 Reply from 192.168.98.1: bytes=32 time=31ms TTL=64 Reply from 192.168.98.1: bytes=32 time=31ms TTL=64 Reply from 192.168.98.1: bytes=32 time=32ms TTL=64 Ping statistics for 192.168.98.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 31ms, Maximum = 34ms, Average = 32ms When I disconnect the Pangolin client, the ping results go back to normal. But when I ping an IP on a different VLAN, say 192.168.10.1 the ping result is normal. Pinging 192.168.10.1 with 32 bytes of data: Reply from 192.168.10.1: bytes=32 time<1ms TTL=64 Reply from 192.168.10.1: bytes=32 time<1ms TTL=64 Reply from 192.168.10.1: bytes=32 time<1ms TTL=64 Reply from 192.168.10.1: bytes=32 time<1ms TTL=64 Ping statistics for 192.168.10.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms Any ideas what could be causing this? I also tried this on another machine with the same result. Note : Using latest Pangolin client (0.7.1) and server version (1.16.2) running on a Racknerd VPS. Thank you. ### Environment - OS Type & Version: (e.g., Ubuntu 22.04) - Pangolin Version: - Gerbil Version: - Traefik Version: - Newt Version: - Olm Version: (if applicable) ### To Reproduce Connect client and ping results in slow response. Disconnect client and ping results return to normal. ### Expected Behavior Ping should be normal when client is connected.
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Reference: github/pangolin#148