NO Web UI without a ping

[DavenpoWE]

i just set up my dell poweredge t420 for the first time, its running proxmox, i am having a network problem where i am unable to use the web UI unless i ping the client from the host? i am new so if there is more information you need let me know any help is appreciated.

proxmox network config

iPv4 Address
192.168.1.253
Subnet Mask
255.255.255.0
IPv4 DNS
192.168.1.1

Windows pc
IPv4 Address
192.168.1.159
Subnet Mask
255.255.255.0
IPv4 DNS
192.168.1.1

 

[bbgeek17]

Sounds like a suspect duplicate IP. What exactly does "unable to access the Web UI" mean?
What is the output of "arp -n" on your client immediately after you try to access Web UI?
What does it look like after the ping from the host?

Also possible: some "fancy" home router funny business.

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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[gfngfn256]

I think you may have messed the CIDR/Subnet mask in config/install.

Please post output for:

cat /etc/network/interfaces

cat /etc/hosts

ip a

Enter each line & then post the output here, (preferably within CODE tags - if possible).

 

[DavenpoWE]

Hello thanks for the feedback
When i said i was unable to access the web UI i thought that was straight forward but I mean that I can’t use the website at all like it shows no connection.

I also set my router to have a fixed IP for my server so i would assume it’s reserved for it no?

 

[DavenpoWE]

Here is the configuration information

 

[bbgeek17]

@gfngfn256 is correct, your netmask is wrong. Even though you omitted the output of "cat /etc/network/interfaces", we can see from "ip a" that you have /0 subnet, which is wrong.

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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[gfngfn256]

Here is the configuration information

As I thought: your CIDR configuration is wrong - you are showing an IP address 192.168.1.253/0 that should probably be 192.168.1.253/24

If you post the output for cat /etc/network/interfaces (which you were asked to do before) I'll show you what to change.

 

[DavenpoWE]

My apologies I thought i added this picture also

 

[bbgeek17]

My apologies I thought i added this picture also

/0 is wrong, it should be /24 (most likely)
https://www.networkfuntimes.com/a-complete-beginners-guide-to-subnetting/

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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[DavenpoWE]

/0 is wrong, it should be /24 (most likely)
https://www.networkfuntimes.com/a-complete-beginners-guide-to-subnetting/

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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

Thanks for the help I’ll let you know when I’m able to change the settings

 

[DavenpoWE]

/0 is wrong, it should be /24 (most likely)
https://www.networkfuntimes.com/a-complete-beginners-guide-to-subnetting/

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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

Thanks for all the help i changes it to 24 and everything is working as of right now

 

[gfngfn256]

Good you've got it working. Maybe tag mark the thread-title with [SOLVED], (upper right hand corner under title).