Ping works only one-way to host in VM virtualbox

[Petteri_Oksanen]

I am running EXOS VM's in Oracle VirtualBox.

I have a topology in this order: host1-sw1-sw2-host2.

I can ping from host2 to host1, but when I try to ping host1 to host2 the ping fails. I can't ping host2 from sw2 either. Here is snapshot of host1 and sw1:

Here is a snapshot of sw2 and host2:

Switch 1 and 2 are connected through OSPF.
What is the correct way to connect hosts in virtualized network?

I know there is no route to host from 192.168.11.3, but it still reaches 192.168.12.0/24 network, shouldn't it reach to the host also?

Thanks

- Petteri

[Petteri_Oksanen]

WHAT THE HELL!!!! HOW DID I MISS THAT??!?!?! I will try right away to fix that. Damn. I feel stupid.

[dflouret]

Yep, that's probably it.

When I disconnected the port everything worked OK. When I reconnected the port the pings from host1 started doing funny things.

Change the link name to link31 and you should be all set...

[dflouret]

I'm recreating your lab, but I think the problem might be here...

Router1:

NIC 3: MAC: 080027F1B83E, Attachment: Internal Network 'link12', Cable connected: on, Trace: off (file: none), Type: Am79C973, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: allow
-all, Bandwidth group: none

the central router is sharing the connection between switch1 and host1. the internal network adapter acts as a switch...

[Petteri_Oksanen]

I did it from a clone. But yes, adapter 3 is the port number 1 in this case. And I actually don't have all the ports for all the hosts in topology because I can't get them working.

Switch1:
configure vlan default delete ports all
configure vr VR-Default delete ports 1-3
create vr "vroppari"
configure vr vroppari add ports 1-3
configure vlan default delete ports 1-3
create vlan "kerros_1" vr vroppari
create vlan "kerros_1_ulos" vr vroppari
configure vlan kerros_1_ulos tag 10
configure vlan kerros_1 add ports 2-3 untagged
configure vlan kerros_1_ulos add ports 1 tagged
configure vlan Mgmt ipaddress 192.168.56.73 255.255.255.0
configure vlan kerros_1_ulos ipaddress 192.168.1.2 255.255.255.0
enable ipforwarding vlan kerros_1_ulos
configure vlan kerros_1 ipaddress 192.168.10.1 255.255.255.0
enable ipforwarding vlan kerros_1
configure vr vroppari add protocol ospf
--
virtual-router vroppariconfigure ospf routerid 2.2.2.2
enable ospf
create ospf area 1.2.3.4
configure ospf add vlan kerros_1 area 1.2.3.4 link-type point-to-point
configure ospf add vlan kerros_1_ulos area 1.2.3.4 link-type point-to-point

Router1:
configure vlan default delete ports all
configure vr VR-Default delete ports 1-3
create vr "vroppari"
configure vr vroppari add ports 1-3
configure vlan default delete ports 1-3
create vlan "internet" vr vroppari
enable loopback-mode vlan internet
create vlan "kerros_1r" vr vroppari
configure vlan kerros_1r tag 10
create vlan "kerros_2r" vr vroppari
configure vlan kerros_2r tag 20
configure vlan internet add ports 2 untagged
configure vlan kerros_1r add ports 1 tagged
configure vlan kerros_2r add ports 3 tagged
configure vlan Mgmt ipaddress 192.168.56.74 255.255.255.0
configure vlan kerros_2r ipaddress 192.168.2.1 255.255.255.0
enable ipforwarding vlan kerros_2r
configure vlan kerros_1r ipaddress 192.168.1.1 255.255.255.0
enable ipforwarding vlan kerros_1r
configure vlan internet ipaddress 10.10.10.10 255.255.255.255
enable ipforwarding vlan internet
configure vr vroppari add protocol ospf
--
virtual-router vroppariconfigure ospf routerid 1.1.1.1
enable ospf
create ospf area 1.2.3.4
configure ospf add vlan internet area 1.2.3.4 link-type point-to-point
configure ospf add vlan kerros_1r area 1.2.3.4 link-type point-to-point
configure ospf add vlan kerros_2r area 1.2.3.4 link-type point-to-point

Switch2:
configure vlan default delete ports all
configure vr VR-Default delete ports 1-3
create vr "vroppari"
configure vr vroppari add ports 1-3
configure vlan default delete ports 1-3
create vlan "kerros_2" vr vroppari
create vlan "kerros_2_ulos" vr vroppari
configure vlan kerros_2_ulos tag 20
configure vlan kerros_2 add ports 2-3 untagged
configure vlan kerros_2_ulos add ports 1 tagged
configure vlan Mgmt ipaddress 192.168.56.75 255.255.255.0
configure vlan kerros_2_ulos ipaddress 192.168.2.2 255.255.255.0
enable ipforwarding vlan kerros_2_ulos
configure vlan kerros_2 ipaddress 192.168.20.1 255.255.255.0
enable ipforwarding vlan kerros_2
configure vr vroppari add protocol ospf
--
virtual-router vroppariconfigure ospf routerid 3.3.3.3
enable ospf
create ospf area 1.2.3.4
configure ospf add vlan kerros_2 area 1.2.3.4 link-type point-to-point
configure ospf add vlan kerros_2_ulos area 1.2.3.4 link-type point-to-point

Hosts have the same configs as you posted earlier.

Switch1HOST:
configure vlan default delete ports all
configure vr VR-Default delete ports 1
configure vr VR-Default add ports 1
configure vlan Default add ports 1 untagged
configure vlan Default ipaddress 192.168.10.5 255.255.255.0
configure vlan Mgmt ipaddress 192.168.56.73 255.255.255.0
--
configure iproute add default 192.168.10.1

Switch2HOST:
configure vlan default delete ports allconfigure vr VR-Default delete ports 1
configure vr VR-Default add ports 1
configure vlan Default add ports 1 untagged
configure vlan Default ipaddress 192.168.20.5 255.255.255.0
configure vlan Mgmt ipaddress 192.168.56.73 255.255.255.0
--
configure iproute add default 192.168.20.1

[dflouret]

Why have you disabled NIC 2 in switch1host and switch2host?

By doing so adapter 3 now becomes port 1 in each one of those switches...

Can you post the VLAN and OSPF configs of all switches?