Pfsense packet loss. We have seen modems that introduce bad latency before.
Pfsense packet loss I had heavy packet loss when using bridge LAN interface in pfsense/OPNsense, this topic on reddit gave me hints and I had no more issues after using NIC passthrough for This is clearly a new bug in pfSense, and I plan on reporting it to the pfSense developers so that they can hopefully get it fixed. If I have connection and I remove networkcabel from pfsense from Wan, wait 20 seconds and the replug it I get a ip-adress but 100% packet loss. It's using DHCP and I think DHCP handling is part of the issue. This line usually floats 8-15ms idle and 50ms under load. Jul 15, 2022 路 If there are issues with traffic being lost, or packets that seem to disappear or never show up (or leave) an interface, there are a few potential causes to consider. When pings spike to 40ms, I have the second gateway take over new connections. 2 is exhibiting the same issue previous to version 2. Of course the packet loss is not there every time, the packet has to arrive at the right time to be dropped but since that bug is causing filter reloads so often chances are quite Jun 3, 2011 路 Under Gateway in Groups in pfsense 2. Now version 2. Troubleshooting Network Connectivity contains procedures to diagnose and analyze these sort of problems in great detail. Problem: WAN_DHCP link drops randomly and reports 100% packet loss and doesn't recover until a reboot of the firewall is performed. 0 High latency and packet loss. I host a minecraft server, and frequently have to troubleshoot poor connections. Though never this bad. My Setup is a Fiberline to my BellAliant Fiberop HomeHub 3000 -> Lan port to pfsense WAN. The default values are From 10 and To 20. I have been running PFSense with the same setup for the last 2 years (updating as required) so I am now on PFSense 2. 0 and life was grand. 6. ca" from pfsense (Diagnostics menu) works with high packet losses (one trial with 30%, another with 70%) Of course my first thought was to reboot both the Thomson DCM470 cable modem and pfSense. 1. The way pfsense detects if a gateway is up is by pinging the address on that interface and measuring the round trip time (RTT). Sep 24, 2021 路 The second adapter is connected to a LTE-router. : This laptop directly to the modem test is a bit longer ago and in the mean time i got a new modem so will test that again also today and let you know. 05. It is the worst kind, sporadic, but persistent packet loss between my devices and my PFSense device. After switching the gateway to LTE, there is 0% loss. If your ISP blocks ICMP, then it receives no reply and therefore assumes the gateway is down. The pfsene is connected to this adapters. 5 high latency and packet loss issues. I tried ping with different packet sizes >1472, with the same result (100% packet loss). I ALWAYS recieve an Ip-adress even when I have 100% packet Nothing resolves this except a reboot of the firewall. Some hosts and routers drop or throttle ICMP messages during times of high load. Slightly higher metric, one weight higher. Gateway Group: "Packet Loss" or "Packet Loss or low latency" Working fine in case of main WAN down (could not test packet loss case, main WAN is very reliable): Main WAN: PPPOE (Fiber-Modem) Backup WAN: fixed IPv4 (VDSL Lancom Router) Gateway Group: "Packet Loss" or "Packet Loss or low latency". Thanks. Strange, yes for me it is. May 26, 2024 路 Hello Everyone, I have spent the last few weeks chasing an issue. Sometimes my ISP is the culprit, sometimes not. com/hire-us/+ Tom Twitter 馃惁 https:// Mar 12, 2019 路 I don't think I have a pfsense issue here however, I am hoping I can get some help with narrowing down this issue or get some help with configuration. This value is expressed as a percentage, 0 being no loss and 100 being total loss. Nov 17, 2017 路 But instead of just sending the 1501 byte packet, pfsense should split it into 2 fragmented packets ("don't fragment" flag ist not set). Release/Renew of the WAN DHCP lease does nothing, restarting the gateways does nothing, and disabling/re-enabling the WAN interface does nothing. 8. Apr 24, 2017 路 Just to be sure, I tried a couple other routers. If this is a pfSense issue, someone please fix it. It didn't help. The managed switch has two connections to the PFSense device. Sweet. Looking at the monitor, I went to 100% packetloss Sep 3, 2022 路 Hi, i m having an issue where the Gateway is showing offline on pfsense and showing packet loss, so the internet is not working. Here's the background to the pfSense 2. I have all my devices plugged into a managed switch. It becomes super obvious when the tinc-VPN-Bug reloads the filter every few seconds. I had the new router hand out DHCP to the office LAN and then hooked up pfSense behind said router via a static IP to run the WIFI, let it run for a while, and the same packet loss was occurring again on both the office LAN and pfSense interfaces. I route specific traffic over NordVPN, I noticed that when I get above 25 mb/s I start to get packet loss. Then I reboot again and its back up again. I then use strict latency and packet loss to determine its down. Nov 17, 2017 路 that the 1473 byte packet gets dropped is correct (+ 28 byte overhead = 1501 byte total). Packet loss stays at 100% until a reboot is performed, and on bad days it takes two reboots. Connecting With Us----- + Hire Us For A Project: https://lawrencesystems. Oct 24, 2014 路 Running a lot of pings earlier today from my own PC (Ubuntu) when the internet was slow, I saw a LOT of packet losses. To fix I need to release ip, restart my hh3k, and pfsense gets a new ip. In case the diagram is trash, here is an overview. But instead of just sending the 1501 byte packet, pfsense should split it into 2 fragmented packets ("don't fragment" flag ist not set). 4. I will attach my Network Diagram for more details. In hh3k, I have advance DMZ set to the mac address of pfsense and pfsense is getting an ext IP address. I have PFsense and a 1 gb internet connection. when i started to look for info on it, I saw a reddit post that said "NordVPN sucks get PIA" Oct 29, 2020 路 -The packet loss is not the same between all firewalls, for example the pfsense-1 can lose 35% of packets against the pfsense-2 and the same with the pfsense-3 10% of lost packets and the pfsense-3 with the pfsense-1 17% packet loss While there is no packet loss between WANs. Would any of you happen to know how to open the packet latency/loss graph? Dec 5, 2021 路 @viragomann said in WAN Failover on packet loss: What pfSense indicates as member down depends on the configured threshold settings. We have seen modems that introduce bad latency before. Jun 4, 2024 路 Packet Loss Thresholds: Similar to Latency Thresholds, the Packet Loss Thresholds control the amount of packet loss to a monitor IP address before it would be considered unusable. Oct 13, 2020 路 Traceroute from pfsense (Diagnostics menu) to "www. Problem details: For the last two weeks I've been having a very unstable WAN link. Ah, definitely confirm that first then. 5. google. I got the ISP technician to check from there end and its working on normal routing mode, as well as on static mode connecting directly to PC. We would like to show you a description here but the site won’t allow us. 8 from the pfsense shell. I noticed that as I would run a ping to a particular external IP address, there would be a lot of packet losses at the beginning, but the longer I let ping run, the faster ping responses would be (and the more consistent I've switched over from pfsense, and am trying to get my workflow back to normal. Nov 29, 2023 路 But if I reboot again, without changing anything, I dont have connection. If you're not happy with the preset values go to System > Routing > Gateways, edit the gateway settings, display the advanced options and change it to fit your needs. 0. The default value is "One (Client+Server)". Jan 19, 2024 路 So now consider it as a pfSense with two independent WAN's, but the default WAN doesn't work, even though there isn't any rule that can conflict with each other in order for the default WAN to go down for some reason. Pinging WAN by console interface is working fine, but then again, it still is having 100% packet loss and shown as offline. Missed that knob. It's kind of hard to VPN to pfSense when the WAN is at 100% packet loss. We're specifically talking about Virgin Media as the ISP and what we had to d Aug 15, 2022 路 @gerard64 said in pfSense 2. Sep 13, 2021 路 This bug was fixed in version 2. Mar 17, 2024 路 Hi to all, After struggling with briding WAN/LAN in pfsense/OPNSense VM I decided to use NIC passthrough for my LAN interface. The "tls-verify" hook in the OpenVPN configuration file is controlled by the "Certificate Depth" setting in the pfSense GUI for each OpenVPN server instance. ca" works (but takes > 40 sec) Ping 'www. They report packet loss which agrees with PFSense's packet loss RRD. If I select the fibre-connection as default IPv4-Gateway in the pfsense, I got up to 15% packet loss while pinging 8. Mar 12, 2019 路 Tonight I dropped around 12:30AM and rebooting pfsense, release/renew did not help. One port is I set my preferred gateway with a lower metrics, lowe weight. 0 RC1, what do the different trigger levels do? Which is best to use for Multiwan configuration, member down, packet loss, high latency, or packet loss or high latency? Please help. I have setup smokeping on 2 computers behind pfsense to monitor a half dozen sites both via DNS and actual IPs. Feb 18, 2022 路 There is still packet loss by the way and latency spikes up to 300ms on 22. Apr 3, 2024 路 Loss: The amount of packet loss the firewall has experienced recently while probing the monitor IP address. That could be happening? Thanks in advance. This may indicate that the circuit has a problem somewhere along the path to the monitor IP address. gkucyecqtyglbqileswirnzntcpmayiokrxgtcvsfxnyvwbhphfwosejtmhgblepvihfbjxqmkotiaq