Hi all,I'm trying to implement opennebula on my personal lab as we have some
projects with a colleague and it is nice to have disposable VMs, and also we
are taking the oportunity to learn about OpenNebula to keep up-to-date :)
I would like to ask you a question I have, regarding networking, because I'm
pretty sure that I'm missing something on the configurations but I cannot
realize what.
We have the following infrastructure:
And the problem is that from the clients on 192.168.7.0/24 subnet I can ping
the VMs on 192.168.254.0/24, but the problem is that from the VM I can only
ping 192.168.7.1, 192.168.7.2, and 192.168.7.254 of the 192.168.7.0/24 subnet,
and all the other clients from some reason are not reacheable.
I'm for sure missing something somewhere, but I cannot figure what. I had
already enabled the ip4 forwarding on Host1 for all interfaces, and the
following are the contents of /etc/network/interfaces file:# The loopback
network interfaceauto loiface lo inet loopback
# The primary network interfaceallow-hotplug eth0iface eth0 inet static
address 192.168.7.1 netmask 255.255.255.0 gateway 192.168.7.254
auto Vbr0iface Vbr0 inet static address 192.168.7.2 netmask
255.255.255.0 network 192.168.7.0 broadcast 192.168.7.255
gateway 192.168.7.254 bridge_ports eth1 bridge_fd 9
bridge_hello 2 bridge_maxage 12 bridge_maxwait 5
bridge_stp off
auto Vbr0:1iface Vbr0:1 inet static address 192.168.254.254
netmask 255.255.255.0 gateway 192.168.7.2
And this is the vnet template I'm using for the VMs:onevnet show PublicVIRTUAL
NETWORK 48 INFORMATIONID : 48NAME : PublicUSER
: oneadminGROUP : usersCLUSTER : -TYPE : RANGEDBRIDGE
: Vbr0VLAN : NoUSED LEASES : 1
PERMISSIONSOWNER : um-GROUP : u--OTHER : ---
VIRTUAL NETWORK
TEMPLATEBRIDGE="Vbr0"DESCRIPTION=""DNS="192.168.7.254"GATEWAY="192.168.254.254"NETWORK_ADDRESS="192.168.254.0"NETWORK_MASK="255.255.255.0"PHYDEV=""VLAN="NO"VLAN_ID=""
RANGEIP_START : 192.168.254.1IP_END : 192.168.254.253
USED LEASESLEASE=[ MAC="02:00:c0:a8:fe:01", IP="192.168.254.1",
IP6_LINK="fe80::400:c0ff:fea8:fe01", USED="1", VID="92" ]
VIRTUAL MACHINES
ID USER GROUP NAME STAT UCPU UMEM HOST
TIME 92 admin users Debian 7.5 Base runn 0 256M HOMPLMPKRS 0d
11h23
If someone realize what I'm doing wrong and could give me an advise?May also,
it is not the best way to bridge the connection of the VMs to the physical
network, but I did not found other way of doing it on the documentation, or at
least I did not understood.
More detailed information about the templates I'm using, below is the "public"
network template(provides leases of 192.168.254.0/24), that is the one I want
to bridge to the local network (192.168.7.0/24). And after the network
template, the information of the VM template, where the NIC using"public"
network template is assigned.oneadmin@HOMPLMPKRSV0001:/root$ onevnet list ID
USER GROUP NAME CLUSTER TYPE BRIDGE LEASES 47
oneadmin users Private - R Vbr0 1 48
oneadmin users Public - R Vbr0
1oneadmin@HOMPLMPKRSV0001:/root$ onevnet show 48VIRTUAL NETWORK 48
INFORMATIONID : 48NAME : PublicUSER :
oneadminGROUP : usersCLUSTER : -TYPE : RANGEDBRIDGE
: Vbr0VLAN : NoUSED LEASES : 1
PERMISSIONSOWNER : um-GROUP : u--OTHER : ---
VIRTUAL NETWORK
TEMPLATEBRIDGE="Vbr0"DESCRIPTION=""DNS="192.168.7.254"GATEWAY="192.168.254.254"NETWORK_ADDRESS="192.168.254.0"NETWORK_MASK="255.255.255.0"PHYDEV=""VLAN="NO"VLAN_ID=""
RANGEIP_START : 192.168.254.1IP_END : 192.168.254.253
USED LEASESLEASE=[ MAC="02:00:c0:a8:fe:01", IP="192.168.254.1",
IP6_LINK="fe80::400:c0ff:fea8:fe01", USED="1", VID="92" ]
VIRTUAL MACHINES
ID USER GROUP NAME STAT UCPU UMEM HOST
TIME 92 admin users Debian 7.5 Base runn 0 256M HOMPLMPKRS 1d
10h57oneadmin@HOMPLMPKRSV0001:/root$ onetemplate list ID USER GROUP
NAME REGTIME 17 oneadmin users
Test 07/17 10:57:06 18 oneadmin users
Debian 7.5 Base 256 MB 07/18
12:02:33oneadmin@HOMPLMPKRSV0001:/root$ onetemplate show 18TEMPLATE 18
INFORMATIONID : 18NAME : Debian 7.5 Base 256 MBUSER
: oneadminGROUP : usersREGISTER TIME : 07/18 12:02:33
PERMISSIONSOWNER : um-GROUP : u--OTHER : ---
TEMPLATE CONTENTSCONTEXT=[ HOSTNAME="$NAME", NETWORK="YES" ]CPU="0.5"DISK=[
BUS="ide", IMAGE="Debian 7.5", IMAGE_UNAME="admin" ]MEMORY="256"NAME="Debian
7.5 Base 256 MB"NIC=[ NETWORK="Public", NETWORK_UNAME="oneadmin" ]NIC=[
NETWORK="Private", NETWORK_UNAME="oneadmin" ]OS=[ ARCH="x86_64", BOOT="hd"
]RAW=[ TYPE="kvm" ]TEMPLATE_ID="18"VCPU="1"
Thanks in advance and best regards!!
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