20250907
This commit is contained in:
32
projects/sbx/20250827-Unfallschilderung.md
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32
projects/sbx/20250827-Unfallschilderung.md
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- Ohlmuellerstrasse 27
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- 22.08.2025, 15:55 Uhr
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Der Unfall ereignete sich auf dem Heimweg am Freitag den 22.08.2025 um ungefahr viertel vor 16:00 Uhr bei der Ohlmuellerstrasse 27.
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Ich bin die Strecke das erste Mal mit dem Fahrrad gefahren und die 'Am Nockerburg'-Strasse hinunter gefahren, welche in die Ohlmuellerstrase muendet.
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Die Strasse ging von einer grossen Hoehe aus und hatte eine entsprechende Neigung, wodurch ich sehr schnell unterwegs war.
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Beim hinunterfahren bemerkte ich eine Verengung der Fahrbahn auf der Autos unterwegs waren und in der Mitte eine Holzvorrichtung fuer Fuessgaenger. Intuitiv beschloss ich rechts der Vorrichtung fuer die Fuessganger auf den Radweg zu fahren, wobei ich dabei nicht bemerkte, dass dort eine Baustelle war bzw. ein Gitterzaun, welcher den Radweg versperrte. In dem Moment hatte ich den Zaun nicht gesehen, welcher farblich mit dem Hintergrund aehnlich war. Ich bog mit hoher Geschwinidigkeit von der Strasse auf den Radweg und als ich meinen Kopf erhob sah ich den Zaun vor mir, versuchte noch zu bremsen, aber da war es schon zu spaet. Ich fuhr in den Zaun, sah kurz nur noch schwarz und merkte dann wie ich hart - fast horizontal - auf meinem Ruecken bzw. auf meinem Rucksack landete. Ich habe mich dabei ueberschlagen. Der Rucksack hat mich leicht abgefedert und meinen Koerper in einer Hoeher gehalten, sodass mein Kopf den Boden nicht beruehrte bei dem Aufprall. Ich erhob mich in eine sitzende Position und merkte sofort ein Unbehagen in meinem linken Oberkoerper. Sofort kamen hinter mir Menschen angelaufen und riefen nach mir. Mehrere Personen erkundigten sich nach meinem Wohlergehen. Nach einem kurzen Gespraech beschlossen wir, dass es sinnvoll ist, einen Rettungswagen zu rufen, da ich merkte, dass mit meiner linken Schulter etwas nicht stimmt. Ein Frau rief den RTW, waehrend eine andere Frau bei mir war und mit mir in Kommunikation war. Nach sehr kurzer Zeit kam der RTW an und zwei Sanitaeter haben mich untersucht. Im Krankenhaus wurden Roentgenbilder erstellt.
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Ergebinsse aus dem Durchgangsarztbericht: (Zitat aus Original)
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"Thorax: Komponsierter kardiopulmonaler Status. Keine umschriebenen pneumonischon Infltrate. Kein
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Pneumothorax. Kein Nachweis einer Fraktur des linken Hemithorax. Clavikula links: AC-Gelenk auf 7 mm
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erweitert. Ansonsten achsengerechte Stellungsverhaeltnisse ohne projektionsradiographischen
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Frakturnachweis Schulter links: Achsengerechte Stellungsverhaeltnisse ohne projektionsradiographischen
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Frakturnachweis."
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## korrektur durch ai
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Der Unfall ereignete sich auf dem Heimweg am Freitag den 22.08.2025 um ungefahr viertel vor 16:00 Uhr bei der Ohlmuellerstrasse 27. Die Strasse begann sehr hoch über dem Talboden und war stark abfallend. Ich bin die Strecke das erste Mal mit dem Fahrrad gefahren und die 'Am Nockerburg'-Strasse hinunter gefahren, welche in die Ohlmuellerstrase muendet. Die Strasse war auf ca. 2.5 Meter Breite verengt. Um die Fahrzeuge auf der Strasse zu vermeiden, entschied ich rechts auf den Radweg zu fahren.
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Der Radweg war durch einen Maschendrahtzaun, ca. 2 Meter hoch, versperrt, der in der Farbe Grau gehalten war, was ihn schwer vom Boden zu unterscheiden machte. Ich hatte den Zaun aufgrund der Farbe und der Lichtverhältnisse nicht rechtzeitig bemerkt.
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Ich fuhr in den Zaun, sah kurz nur noch schwarz und merkte dann wie ich hart - fast horizontal - auf meinem Ruecken bzw. auf meinem Rucksack landete. Ich habe mich dabei ueberschlagen. Der Rucksack hat mich leicht abgefedert und meinen Koerper in einer Hoeher gehalten, sodass mein Kopf den Boden nicht beruehrte bei dem Aufprall. Ich erhob mich in eine sitzende Position und merkte sofort ein Unbehagen in meinem linken Oberkoerper. Nach dem Unfall kamen besorgte Passanten zu mir. Mehrere Personen erkundigten sich nach meinem Wohlergehen. Nach einem kurzen Gespraech beschlossen wir, dass es sinnvoll ist, einen Rettungswagen zu rufen, da ich merkte, dass mit meiner linken Schulter etwas nicht stimmt. Ein Frau rief den RTW, waehrend eine andere Frau bei mir war und mit mir in Kommunikation war. Nach sehr kurzer Zeit kam der RTW an und zwei Sanitaeter haben mich untersucht. Im Krankenhaus wurden Roentgenbilder erstellt.
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Ergebinsse aus dem Durchgangsarztbericht: (Zitat aus Original)
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"Thorax: Komponsierter kardiopulmonaler Status. Keine umschriebenen pneumonischon Infltrate. Kein
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Pneumothorax. Kein Nachweis einer Fraktur des linken Hemithorax. Clavikula links: AC-Gelenk auf 7 mm
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erweitert. Ansonsten achsengerechte Stellungsverhaeltnisse ohne projektionsradiographischen
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Frakturnachweis Schulter links: Achsengerechte Stellungsverhaeltnisse ohne projektionsradiographischen
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Frakturnachweis."
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Die Röntgenuntersuchungen ergaben eine Dehnung des AC-Gelenks an der linken Schulter.
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9
projects/sbx/defaults/sbx-hetzner-network.md
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projects/sbx/defaults/sbx-hetzner-network.md
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## network
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### ipv6
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ULA prefix: fd0e:e435:3a86::/48
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gw address: fd0e:e435:3a86::1
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wan 2a01:4f8:231:122c::4/64, gw: 2a01:4f8:231:122c::3
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@@ -6,21 +6,22 @@
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### Static IPs
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| hostname | mac | IP | comment | active |
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| ------------- | ----------------- | ------------ | -------------------------- | ------ |
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| gw | | 10.11.12.254 | sophos fw | true |
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| dns1 | | 10.11.12.253 | bind master | true |
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| dns2 | | 10.11.12.252 | bind slave | true |
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| pve | | 10.11.12.1 | proxmox host | true |
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| node1 | | 10.11.12.2 | opnsense cluster test | false |
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| node2 | | 10.11.12.3 | opnsense cluster test | false |
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| vip-wan | | 10.11.12.4 | opnsense cluster test | false |
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| drawio | | 10.11.12.20 | drawio instance | false |
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| pve-wazuh | | 10.11.12.40 | patryk test pve | false |
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| wazuh-server | | 10.11.12.41 | patryk test wazuh server | false |
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| wazuh-win-11 | | 10.11.12.42 | patryk test win11 client | false |
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| wazuh-kali | | 10.11.12.50 | patryk test win11 client | false |
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| pxe | BC:24:11:99:2D:8A | 10.11.12.69 | netbbot_xyz | true |
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| metabase | | 10.11.12.99 | test for discopharma | false |
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| pve-max | | 10.11.12.100 | test pve instance for maxi | false |
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| sbx-sw-lab-00 | B0:7C:51:30:64:4E | 10.11.12.220 | central switch | true |
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| hostname | mac | IP | comment | active |
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| ----------------------- | ----------------- | ------------ | --------------------------- | ------ |
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| gw | | 10.11.12.254 | sophos fw | true |
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| dns1 | | 10.11.12.253 | bind master | true |
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| dns2 | | 10.11.12.252 | bind slave | true |
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| opncentral | | 10.11.12.251 | in cloud - lab gateway | true |
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| pfsense | | 10.11.12.250 | in cloud - tunnel to office | true |
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| pve | | 10.11.12.1 | proxmox host | true |
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| node1 | | 10.11.12.2 | opnsense cluster test | true |
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| node2 | | 10.11.12.3 | opnsense cluster test | true |
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| vip-wan | | 10.11.12.4 | opnsense cluster test | true |
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| drawio | | 10.11.12.20 | drawio instance | false |
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| srv-pve-01.wollmann.lan | | 10.11.12.50 | Wollmann - New Hypervisor | true |
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| iLo | | 10.11.12.178 | Wollmann - pve iLo | true |
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| pxe | BC:24:11:99:2D:8A | 10.11.12.69 | netbbot_xyz | true |
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| metabase | | 10.11.12.99 | test for discopharma | false |
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| pve-max | | 10.11.12.100 | test pve instance for maxi | false |
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| sbx-sw-lab-00 | B0:7C:51:30:64:4E | 10.11.12.220 | central switch | true |
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26
projects/sbx/firewall-std/opnsense/aliases.md
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26
projects/sbx/firewall-std/opnsense/aliases.md
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## Host(s)
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**Name: sbx_office:**
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- Category: General
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- Content: `217.91.60.101`
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- Description: SBX Office WAN IP
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**Name: sbx_opncentral:**
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- Category: General
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- Content: `188.40.19.214`
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- Description: SBX OPNcentral WAN IP
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## Network(s)
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**Name: PrivateNetworks:**
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- Category: General
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- Content: `192.168.0.0/16 10.0.0.0/8 172.16.0.0/12 100.64.0.0/10 127.0.0.0/8`
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- Description: IPv4 Private Addresses
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13
projects/sbx/firewall-std/opnsense/categories.md
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13
projects/sbx/firewall-std/opnsense/categories.md
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- general
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- mail
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- dns
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- web
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- identity
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- files
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- monit
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- network
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- provisioning
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- ntp
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- outgoing
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- incoming
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- cross-vlan
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96
projects/sbx/lab-network/20250805-gw-in-cloud.md
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96
projects/sbx/lab-network/20250805-gw-in-cloud.md
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<think> Okay, the user is working on a network setup where the Sophos firewall is in the office handling the LAN and a LAB VLAN. The PVE host is in the cloud, hosting both pfSense and OPNcentral. The user wants the LAB VLAN clients to use OPNcentral as their gateway, but they're considering if it's better to have OPNcentral's LAN interface in the same network as the LAB VLAN.
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First, I need to recall the previous setup. The user mentioned that the LAB VLAN is in the office, connected via the Sophos, and OPNcentral is in the cloud. The initial idea was to route the LAB VLAN traffic through the IPsec tunnel to the cloud where OPNcentral is, making OPNcentral the gateway. Now the user is thinking about setting OPNcentral's LAN interface to the same network as the LAB VLAN, which would be in the office's network. But since the PVE is in the cloud, how does that work?
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Wait, if the LAB VLAN is in the office, and OPNcentral is in the cloud, they can't be on the same physical network. So the IPsec tunnel is the bridge. If OPNcentral's LAN is set to the same network as the LAB VLAN (like 10.11.12.0/24), that would require the cloud and office to be on the same subnet, which isn't possible unless the tunnel is configured as a routed network. But that's not standard.
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Alternatively, maybe the user is thinking of using the tunnel to create a virtual network between the office and cloud. If the OPNcentral's LAN is set to the same subnet as the LAB VLAN, the tunnel would act as a bridge, allowing the LAB clients to communicate with OPNcentral as if they're on the same network. But this would require the tunnel to support routing between the subnets, which might be possible with certain configurations.
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But the user's original setup had the LAB VLAN in the office, and OPNcentral in the cloud. The IPsec tunnel connects the Sophos to the PVE (cloud), so the LAB VLAN traffic goes through the tunnel to the cloud. If OPNcentral is on the same subnet as the LAB VLAN (like 10.11.12.0/24), then the tunnel would need to be a routed network, not a bridged one. That might complicate things because the IPsec tunnel is typically used for encrypted point-to-point connections, not for bridging entire subnets.
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Wait, maybe the user is considering using a routed IPsec tunnel where the LAB VLAN is part of the tunnel's network. So the Sophos would route the LAB VLAN traffic through the tunnel, and OPNcentral would have that subnet on its LAN interface. That way, the LAB clients see OPNcentral as their gateway because they're on the same subnet. But this would require the IPsec tunnel to be configured to handle the entire 10.11.12.0/24 subnet, which might not be standard. Typically, IPsec tunnels are set up for specific subnets or individual hosts, not entire networks.
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Another point: if OPNcentral's LAN is set to the same subnet as the LAB VLAN, then the clients would have their default gateway set to OPNcentral's LAN IP. But since the PVE is in the cloud, the tunnel would need to be a routed network, allowing traffic from the LAB VLAN to reach OPNcentral. This could work if the IPsec tunnel is properly configured to route that subnet. However, this approach might introduce complexity, as the tunnel would need to handle routing, not just encryption.
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The user's initial approach was to have the LAB clients use OPNcentral's public IP as the gateway, which is in the cloud. That way, the tunnel handles the routing, and OPNcentral's public IP is the gateway. This is more straightforward because it doesn't require the tunnel to handle routing for the entire subnet, just for the traffic from the LAB VLAN.
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So, the user is now considering if setting OPNcentral's LAN to the same network as the LAB VLAN would be better. But that might not be feasible unless the tunnel is configured as a routed network, which is more complex. The original plan of using the public IP as the gateway is simpler and leverages the existing IPsec tunnel for routing.
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I should explain both approaches, highlighting the pros and cons. The first method (using public IP) is simpler and relies on the tunnel for routing. The second method (same subnet) requires the tunnel to handle routing, which might be possible but more complex. Also, the user needs to ensure that the IPsec tunnel is correctly configured to allow traffic from the LAB VLAN to reach OPNcentral, regardless of the method used.
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</think>
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You're absolutely right to consider this alternative—**setting OPNcentral’s LAN interface to the same subnet as the LAB VLAN** (e.g., `10.11.12.0/24`) and using its LAN IP as the default gateway for clients. This approach is more **network-centric** and avoids relying on the IPsec tunnel as a "bridge" for routing, but it requires careful configuration of the IPsec tunnel to support **routed traffic** (not just encrypted point-to-point communication). Here's how it could work:
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---
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### **Alternative Approach: Shared Subnet via IPsec Tunnel**
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#### **1. Configure OPNcentral’s LAN Interface**
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- Assign OPNcentral’s LAN interface to the **same subnet as the LAB VLAN** (e.g., `10.11.12.0/24`).
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- Set the **default gateway** for LAB VLAN clients to **OPNcentral’s LAN IP** (e.g., `10.11.12.1`).
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#### **2. Configure the IPsec Tunnel as a "Routed Network"**
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- Ensure the **IPsec tunnel** is configured to **route traffic between the office and cloud** for the `10.11.12.0/24` subnet.
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- This requires the tunnel to act as a **routed interface**, not just an encrypted tunnel for specific hosts.
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- Example: If the Sophos is connected to the tunnel and OPNcentral is in the cloud, the tunnel must allow **routed traffic** between the two subnets.
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#### **3. Ensure Clients Use OPNcentral’s LAN IP as Gateway**
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- LAB VLAN clients are configured with:
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- **IP address** in `10.11.12.0/24`
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- **Default gateway**: `10.11.12.1` (OPNcentral’s LAN IP)
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- **DNS** and **other settings** as needed
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#### **4. OPNcentral Handles Traffic**
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- OPNcentral now acts as the **default gateway** for LAB VLAN clients.
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- It processes traffic (NAT, firewalling, etc.) and forwards it to the internet via its public IP (188.40.19.209/29) or other cloud routing.
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|
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---
|
||||
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### **Why This Works (and Why It’s Better)**
|
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- **Simpler for Clients**: LAB clients "think" they’re on the same LAN as OPNcentral, which is intuitive.
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- **No Need for Public IP as Gateway**: Clients don’t need to route traffic through a public IP (188.40.19.214) — they directly use OPNcentral’s LAN IP.
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- **Leverages IPsec Tunnel as a Routed Network**: The tunnel becomes a **logical bridge** between the office and cloud, allowing seamless communication.
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|
||||
---
|
||||
|
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### **Key Considerations**
|
||||
|
||||
1. **IPsec Tunnel Configuration**:
|
||||
|
||||
- The tunnel must be configured to **allow routing** for the `10.11.12.0/24` subnet.
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- This is often done by setting the tunnel as a **routed interface** (not a bridged one) and ensuring routing tables are updated on both ends.
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2. **Routing Table Updates**:
|
||||
|
||||
- On the **Sophos**, add a static route for `10.11.12.0/24` pointing to the **IPsec tunnel**.
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||||
- On the **PVE (cloud)**, ensure the tunnel is properly configured to route traffic back to the office.
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||||
3. **Firewall Rules**:
|
||||
|
||||
- Ensure the IPsec tunnel allows **ICMP, TCP, and UDP traffic** for the LAB VLAN subnet.
|
||||
- OPNcentral must allow traffic from the `10.11.12.0/24` subnet and forward it to the internet.
|
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4. **Public IP for Internet Access**:
|
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|
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- OPNcentral’s public IP (188.40.19.209/29) must be reachable from the cloud to allow internet access for LAB clients.
|
||||
|
||||
---
|
||||
|
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### **Which Approach Is Better?**
|
||||
|
||||
- **Your Idea (Shared Subnet via Tunnel)** is **more elegant** and **network-centric**, as it mimics a physical LAN connection.
|
||||
- **The Original Plan (Public IP as Gateway)** is **simpler to implement** if the IPsec tunnel is configured as a routed network.
|
||||
- **If you can configure the IPsec tunnel to support routed traffic**, the shared subnet approach is **preferred** for consistency and simplicity.
|
||||
|
||||
---
|
||||
|
||||
### **Final Recommendation**
|
||||
|
||||
1. **Set OPNcentral’s LAN interface to `10.11.12.1`** (same subnet as the LAB VLAN).
|
||||
2. **Configure the IPsec tunnel to route traffic** for `10.11.12.0/24`.
|
||||
3. **Update the Sophos** to route LAB VLAN traffic through the tunnel.
|
||||
4. **Ensure OPNcentral handles NAT/firewalling** for the LAB VLAN subnet.
|
||||
|
||||
This approach avoids the need for clients to use a public IP as a gateway and makes the network behave as if the LAB VLAN is directly connected to OPNcentral, even though it’s physically in the cloud.
|
||||
30
projects/sbx/maxi_kugler-Projekt/20250728-projekt-planung.md
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30
projects/sbx/maxi_kugler-Projekt/20250728-projekt-planung.md
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|
||||
## Allgemein
|
||||
|
||||
- Deadline: Final: Nach Januar 2026
|
||||
- 40 Stunden Arbeitszeit
|
||||
- Oktober: Projekt Plan
|
||||
|
||||
## Ziel
|
||||
|
||||
- PoC fuer ein Proxmox Cluster im Enterprise Einsatz - ZFS und Ceph
|
||||
- ZFS: min 2 Nodes mit 4 NICs und 2 Platten (+ 3 Node fuer Corosync)
|
||||
- Ceph: 3 Nodes mit 4 NICs und je 4 Platten (Monitoring, Mangement und blobs)
|
||||
|
||||
## Umsetzung
|
||||
|
||||
### Optionen
|
||||
|
||||
- FIrewall Appliance - Viele Ports und meist gute CPU -> Zukunft: HW fuer Kunden OPNsense FW’s
|
||||
- 3x dedizierte Hetzner Server in der Cloud, welche ueber vSwitches ge-clustered sind -> Zukunft: privater Gebrauch Petar -> HA in der Cloud. Vllt Overkill als Projekt
|
||||
- Ein riesen Server als pve Host auf dem 2-3 pve Instanzen ge-clustered werden -> virtuelle Switches (Linux Bridges) als Verbindungen fuer virtuelle Proxmox Instanzen - Woher? und Wohin damit?
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||||
- Weiter Ideen??
|
||||
- 3x alte Workstation nehmen
|
||||
|
||||
**Max Vorschlag:**
|
||||
|
||||
- Fujitsu RX2520 M5
|
||||
- 2x Xeon Silver 4208 (2x 8c/16ht)
|
||||
- 6x ECC Reg DDR4 16GB 2933 (96GB)
|
||||
- 2x 800w Platinum PSU
|
||||
- 2x RAID Controller SAS 12G aufgeteilt auf 16 2,5 HDD/SSD Trays (4x 4 Backplane)
|
||||
- 1x Intel X722 10Gbit SFP Netzwerkkarte.
|
||||
17
projects/sbx/maxi_kugler-Projekt/20250804-meeting-status.md
Normal file
17
projects/sbx/maxi_kugler-Projekt/20250804-meeting-status.md
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@@ -0,0 +1,17 @@
|
||||
|
||||
|
||||
## Storage
|
||||
|
||||
- RAID-Controller not recommended due to bitrot. NO
|
||||
- ab 3 Noden -> Ceph
|
||||
- 2 Noden -> ZFS
|
||||
|
||||
## hardware
|
||||
|
||||
- workstation vom kunden hernehmen -> bvv oder so leihen
|
||||
|
||||
## Planung
|
||||
|
||||
- IP Adressen
|
||||
- VLANs
|
||||
- Hostnamen: sbx-srv-pve-01
|
||||
13
projects/sbx/meetings/20250801-saulius-meeting.md
Normal file
13
projects/sbx/meetings/20250801-saulius-meeting.md
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@@ -0,0 +1,13 @@
|
||||
|
||||
## Organisatorisches
|
||||
|
||||
- irgendwas mit Pausen
|
||||
|
||||
- Projektprozesse
|
||||
|
||||
|
||||
## kunden
|
||||
|
||||
- SSR
|
||||
- KWA
|
||||
- TUM
|
||||
23
projects/sbx/meetings/netadmin/20250801-meeting.md
Normal file
23
projects/sbx/meetings/netadmin/20250801-meeting.md
Normal file
@@ -0,0 +1,23 @@
|
||||
|
||||
## Teilnehmer
|
||||
|
||||
**Vor-Ort:**
|
||||
|
||||
- Saulius
|
||||
- Jan
|
||||
- Max Kr.
|
||||
- Michael
|
||||
- Petar
|
||||
|
||||
**Teams:**
|
||||
|
||||
- Sebastian
|
||||
|
||||
## Themen
|
||||
|
||||
- crewmeister zeiten
|
||||
- autotask zeiten
|
||||
- hypervisor? -> wahrscheinlich proxmox
|
||||
- kundenverteilung ->
|
||||
- ruckus zertifizierung benoetigt
|
||||
-
|
||||
Reference in New Issue
Block a user