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Urbackup script is having network issues (no network) #803

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opened 2026-02-04 21:37:32 +03:00 by OVERLORD · 3 comments
OVERLORD commented 2026-02-04 21:37:32 +03:00
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Originally created by @andreascschmidt on GitHub (Apr 12, 2025).

✅ Have you read and understood the above guidelines?

yes

📜 What is the name of the script you are using?

Urbackup Server

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/urbackupserver.sh)"

📝 Provide a clear and concise description of the issue.

I've tried the default settings and the advanced settings but in both its unable to get the network / configure network. It picks the right interface vmbr0 in the advanced I can give it an manual IP else its using dhcp but not getting an IP or cannot connect with my manual IP.
The running config looks ok so I have no idea where the problem lies.

⚙️ Using Default Settings on node proxmox01
🖥️ Operating System: debian
🌟 Version: 12
📦 Container Type: Privileged
💾 Disk Size: 16 GB
🧠 CPU Cores: 1
🛠️ RAM Size: 1024 MiB
🆔 Container ID: 103
🚀 Creating a UrBackup Server LXC using the above default settings

✔️ Using zzStorage00-Proxmox for Template Storage.
✔️ Using Z_nvmepool for Container Storage.
✔️ Updated LXC Template List
✔️ LXC Template is ready to use.
✔️ LXC Container 103 was successfully created.
✔️ Started LXC Container
⠇ ✖️ No Network! ner OS
✖️ No Network After 10 Tries
📡 Check Network Settings

on advanced setup

🧩 Using Advanced Settings on node proxmox01
🖥️ Operating System: debian
🌟 Version: 12
📦 Container Type: Privileged
🔐 Root Password: ********
🆔 Container ID: 190
🏠 Hostname: urbackupserver
💾 Disk Size: 50 GB
🧠 CPU Cores: 2
🛠️ RAM Size: 4500 MiB
🌉 Bridge: vmbr0
📡 IP Address: 192.168.1.190/24
🌐 Gateway IP Address: 192.168.1.1
📡 APT-Cacher IP Address: Default
🚫 Disable IPv6: no
⚙️ Interface MTU Size: Default
🔍 DNS Search Domain: Host
📡 DNS Server IP Address: 192.168.1.1
🏷️ Vlan: Default
📡 Tags: ;
🔑 Root SSH Access: yes
Warning: No SSH key provided.
🔍 Verbose Mode: yes
🚀 Creating a UrBackup Server LXC using the above advanced settings
✔️ Using zzStorage00-Proxmox for Template Storage.
✔️ Using Z_nvmepool for Container Storage.
✔️ Updated LXC Template List
✔️ LXC Template is ready to use.
✔️ LXC Container 190 was successfully created.
✔️ Started LXC Container
✔️ Set up Container OS
✔️ Network Connected: 192.168.1.190
✖️ IPv4 Internet Not Connected
✖️ IPv6 Internet Not Connected
No Internet detected,would you like to continue anyway? <y/N> y
💡 Expect Issues Without Internet
✖️ DNS Lookup Failure
Ign:1 http://deb.debian.org/debian bookworm InRelease
Ign:2 http://security.debian.org bookworm-security InRelease

⚙️ What settings are you using?

  • Default Settings
  • Advanced Settings

🖥️ Which Linux distribution are you using?

Debian 12

🔄 Steps to reproduce the issue.

run bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/urbackupserver.sh)" go for default

❌ Paste the full error output (if available).

[ 3974.735226] vmbr0: port 2(veth102i0) entered disabled state
[ 3974.864549] vmbr0: port 2(veth102i0) entered disabled state
[ 3974.865023] veth102i0 (unregistering): left allmulticast mode
[ 3974.865029] veth102i0 (unregistering): left promiscuous mode
[ 3974.865035] vmbr0: port 2(veth102i0) entered disabled state

🖼️ Additional context (optional).

[ 3974.735226] vmbr0: port 2(veth102i0) entered disabled state
[ 3974.864549] vmbr0: port 2(veth102i0) entered disabled state
[ 3974.865023] veth102i0 (unregistering): left allmulticast mode
[ 3974.865029] veth102i0 (unregistering): left promiscuous mode
[ 3974.865035] vmbr0: port 2(veth102i0) entered disabled state

Originally created by @andreascschmidt on GitHub (Apr 12, 2025). ### ✅ Have you read and understood the above guidelines? yes ### 📜 What is the name of the script you are using? Urbackup Server ### 📂 What was the exact command used to execute the script? bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/urbackupserver.sh)" ### 📝 Provide a clear and concise description of the issue. I've tried the default settings and the advanced settings but in both its unable to get the network / configure network. It picks the right interface vmbr0 in the advanced I can give it an manual IP else its using dhcp but not getting an IP or cannot connect with my manual IP. The running config looks ok so I have no idea where the problem lies. ⚙️ Using Default Settings on node proxmox01 🖥️ Operating System: debian 🌟 Version: 12 📦 Container Type: Privileged 💾 Disk Size: 16 GB 🧠 CPU Cores: 1 🛠️ RAM Size: 1024 MiB 🆔 Container ID: 103 🚀 Creating a UrBackup Server LXC using the above default settings ✔️ Using zzStorage00-Proxmox for Template Storage. ✔️ Using Z_nvmepool for Container Storage. ✔️ Updated LXC Template List ✔️ LXC Template is ready to use. ✔️ LXC Container 103 was successfully created. ✔️ Started LXC Container ⠇ ✖️ No Network! ner OS ✖️ No Network After 10 Tries 📡 Check Network Settings on advanced setup 🧩 Using Advanced Settings on node proxmox01 🖥️ Operating System: debian 🌟 Version: 12 📦 Container Type: Privileged 🔐 Root Password: ******** 🆔 Container ID: 190 🏠 Hostname: urbackupserver 💾 Disk Size: 50 GB 🧠 CPU Cores: 2 🛠️ RAM Size: 4500 MiB 🌉 Bridge: vmbr0 📡 IP Address: 192.168.1.190/24 🌐 Gateway IP Address: 192.168.1.1 📡 APT-Cacher IP Address: Default 🚫 Disable IPv6: no ⚙️ Interface MTU Size: Default 🔍 DNS Search Domain: Host 📡 DNS Server IP Address: 192.168.1.1 🏷️ Vlan: Default 📡 Tags: ; 🔑 Root SSH Access: yes Warning: No SSH key provided. 🔍 Verbose Mode: yes 🚀 Creating a UrBackup Server LXC using the above advanced settings ✔️ Using zzStorage00-Proxmox for Template Storage. ✔️ Using Z_nvmepool for Container Storage. ✔️ Updated LXC Template List ✔️ LXC Template is ready to use. ✔️ LXC Container 190 was successfully created. ✔️ Started LXC Container ✔️ Set up Container OS ✔️ Network Connected: 192.168.1.190 ✖️ IPv4 Internet Not Connected ✖️ IPv6 Internet Not Connected No Internet detected,would you like to continue anyway? <y/N> y 💡 Expect Issues Without Internet ✖️ DNS Lookup Failure Ign:1 http://deb.debian.org/debian bookworm InRelease Ign:2 http://security.debian.org bookworm-security InRelease ### ⚙️ What settings are you using? - [x] Default Settings - [x] Advanced Settings ### 🖥️ Which Linux distribution are you using? Debian 12 ### 🔄 Steps to reproduce the issue. run bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/urbackupserver.sh)" go for default ### ❌ Paste the full error output (if available). [ 3974.735226] vmbr0: port 2(veth102i0) entered disabled state [ 3974.864549] vmbr0: port 2(veth102i0) entered disabled state [ 3974.865023] veth102i0 (unregistering): left allmulticast mode [ 3974.865029] veth102i0 (unregistering): left promiscuous mode [ 3974.865035] vmbr0: port 2(veth102i0) entered disabled state ### 🖼️ Additional context (optional). [ 3974.735226] vmbr0: port 2(veth102i0) entered disabled state [ 3974.864549] vmbr0: port 2(veth102i0) entered disabled state [ 3974.865023] veth102i0 (unregistering): left allmulticast mode [ 3974.865029] veth102i0 (unregistering): left promiscuous mode [ 3974.865035] vmbr0: port 2(veth102i0) entered disabled state
OVERLORD added the bug label 2026-02-04 21:37:32 +03:00
OVERLORD commented 2026-02-04 21:37:44 +03:00
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@tremor021 commented on GitHub (Apr 12, 2025):

Script can't have network issues. Your host does

@tremor021 commented on GitHub (Apr 12, 2025): Script can't have network issues. Your host does
OVERLORD commented 2026-02-04 21:37:52 +03:00
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@MickLesk commented on GitHub (Apr 12, 2025):

Whats your Network config? Show Screenshot from GUI (Interfaces)

@MickLesk commented on GitHub (Apr 12, 2025): Whats your Network config? Show Screenshot from GUI (Interfaces)
OVERLORD commented 2026-02-04 21:37:56 +03:00
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@andreascschmidt commented on GitHub (Apr 12, 2025):

Yes Sorry I pull that .. something broke on my host .. all new ct/vms are dead like a dodo, old ones are working ..

@andreascschmidt commented on GitHub (Apr 12, 2025): Yes Sorry I pull that .. something broke on my host .. all new ct/vms are dead like a dodo, old ones are working ..
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Reference: starred/ProxmoxVE#803
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