Hallo Leute,
seid dem der "Shadow Mode" verfügbar ist, konnte ich nun endlich auch meine zweite UDM Pro sinnvoll einsetzen. Ich habe die Installation nach der Ubi Anleitung durchgeführt und es funktionierte auch direkt und lief einige Tage einwandfrei. Nun bekomme ich immer mehr Probleme mit Ausfällen der primären UDM Pro und habe den Support angeschrieben. Leider, wie erwartet, wenig hilfreiche Antworten. Das Supportfile ist noch zur Analyse. Da mir das zu lange dauert, habe ich mal ein Factory Reset gemacht und alles neu aufgesetzt. Ergebnis - alles lief wieder super. Heute geht es nun schon wieder los. Neues Ticket - neue Antwort:
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Hi Enrico,
After looking over your support file, we found that there is a network loop in your system.
UDM-Pro kernel: br0: received packet on eth10 with own address as source address (addr:d2:21:f9:8a:fa:41, vlan:0)
UDM-Pro kernel: br3: received packet on eth10.3 with own address as source address (addr:d0:21:f9:8a:fa:4a, vlan:0)
Network loops can lead to significant disruptions in network performance and intermittent outages. To address this issue, please follow these steps:
- Identifying and troubleshooting loops can be complex and may require physical device access for testing purposes. Here is an article that you can refer to.
- Ensure there are no issues in your network; a faulty or improperly connected cable could lead to a network loop. Additionally, check for and eliminate bad cables within redundant links to prevent STP "flapping" problems.
US-48-G1-7.0.50+15613: switch: DOT1S: inst(0) has elected a new STP root: 00:00:78:45:58:6A:93:51
- Consider setting the STP priority to prioritize your core switch, usually positioned downstream of the gateway, with the lowest assigned value. Then, prioritize switching to lower the priority for the downlink switches of the core switch. Here's an article that you can refer to for optimal STP configuration.
- Check for wirelessly connected devices like SONOS or other IoT devices in the Topology tab, as they may contribute to network loops. You can review this article, where we share some of the best practices for Sonos Devices.
If you still face the same issue then please collect and share a fresh support file so that we can check and investigate further.
Please download the support file by following the steps in this article. Then send it as an attachment here: https://help.ui.com/requests/4249009.
Best,
UI Support
Ubiquiti Inc."
Joa, die Frage nun - wie soll ich rausfinden, wo es einen Loop gibt?! Im Portmanager sieht alles schick aus, keine erkennbaren Abnormalitäten...