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Unraid-IP not reachable from different Subnet (VLAN)

chrisb28
in General Support

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I have a Problem to reach unraid from different Subnet (VLAN).
Unraid-Server has 5 NIC

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.200  netmask 255.255.255.0  broadcast 0.0.0.0
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.201  netmask 255.255.255.0  broadcast 0.0.0.0
eth2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.2.202  netmask 255.255.255.0  broadcast 0.0.0.0
eth3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.3.203  netmask 255.255.255.0  broadcast 0.0.0.0
eth4: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        ether 88:c9:b3:bf:24:d6  txqueuelen 1000  (Ethernet)


Sophos Firewall (VM) is running with 2 NIC (eth4 exclusive to WAN, eth0 to LAN)
LAN as Network 192.168.1.0/24 (Gateway 192.168.1.1)
VLAN3 as Network 192.168.3.0/24 (Gateway 192.168.3.1) with DHCP
LAN-to-LAN rule configured


Netgear Managed Switch with configured VLAN-Ports to Unraid

Docker-Container on eth1 in Subnet 192.168.1.0
VM's on eth0,1,3 in Subnet 192.168.1.0

 

Client should use VLAN3 in Subnet 192.168.3.0 (IP via DHCP
pi.hole (IP 192.168.1.250) configured as primary DNS via DHCP

sophos (Gateway-IP) configured as secondary DNS via DHCP


Problem:
Client from subnet 192.168.3.0 (IP via DHCP) are able to access Internet (WAN Interface) and able to reach all Docker (with static IPs) and VMs in Subnet 192.168.1.0. Only the Unraid-IP (192.168.1.200 are not reachable (ping, trace, http,..). 
From Subnet 192.168.1.0 everthing works fine.
DNS-Lookup on sophos and clients works correct

Has anyone an Idea?
Sophos Logs show "allowed" from rule "LAN-to-LAN". Is there a configuration in Unraid Network that blocks access from different Network?

 

Edited by chrisb28

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    • Solved by chrisb28

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    • chrisb28 changed the title to Unraid-IP not reachable from different Subnet (VLAN)
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    Solves!

    The problem caused by assign 2 Nics (eth0 and erh1) an IP-Axress in the same subnet (192.168.1.200 and 192.168.1.201).

    I removed the IP-Adress of eth1 by set the value of "IPv4 address assignment" to "none"

    Then it works as expected...

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