Unable to ping both directions between 2 ETH adapters

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  • #43576

    Blues_wolf
    Member

    Hello Everyone,

    There’s something I’m missing obviously but I can’t figure it out.

    Here’s the thing, I have a Zeroshell VM with 2 Network cards with static IPs as follow.

    ETH01: 10.0.2.1/24
    ETH02: 10.0.3.1/24

    I have two hosts connected to each network card with IPs as follow:

    Host1: 10.0.2.10/24 – Gateway: 10.0.2.1/24
    Host2: 10.0.3.10/24 – Gateway: 10.0.3.1/24

    Now, here’s the weird thing.
    Host2 can ping Host1, BUT Host1 can’t ping Host2.

    Host1 only reaches ETH02 (that’s 10.0.3.10/24 ).

    Host2 is reacheable by any other host in the same network, so it’s not a firewall or OS problem in Host2.

    Is there something I’m missing in this configuration?

    #52667

    JamesR
    Member

    @blues_wolf wrote:

    Hello Everyone,

    There’s something I’m missing obviously but I can’t figure it out.

    Here’s the thing, I have a Zeroshell VM with 2 Network cards with static IPs as follow.

    ETH01: 10.0.2.1/24
    ETH02: 10.0.3.1/24

    I have two hosts connected to each network card with IPs as follow:

    Host1: 10.0.2.10/24 – Gateway: 10.0.2.1/24
    Host2: 10.0.3.10/24 – Gateway: 10.0.3.1/24

    Now, here’s the weird thing.
    Host2 can ping Host1, BUT Host1 can’t ping Host2.

    Host1 only reaches ETH02 (that’s 10.0.3.10/24 ).

    Host2 is reacheable by any other host in the same network, so it’s not a firewall or OS problem in Host2.

    Is there something I’m missing in this configuration?

    routing tables (all hosts) and ZS firewall settings probably would help

    Firewall: Pings are usually icmp echo-request, echo-reply[/i]

    Also, some Windows Firewalls block ping by default. Methinks Win 7 does this. I wouldn’t bet my life on that but I seem to recall seeing some newer Windows OS firewalls blocking pings.

    #52668

    Blues_wolf
    Member

    Thanks for the reply, however, Windows firewalls are not the issue, as I can ping Host2 from any other PC in the same subnet.

    Nevertheless, I do have the firewalls down for testing, still, same problem.

    Any other ideas?

    #52669

    JamesR
    Member

    Send

    routing tables
    Firewall rules and
    An ifconfig -a

    -JamesR

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