cannot ping within the host only vmnet0
I created my own guest only (vmnet0) network without DHCP (192.168.1.0/255.255.255.0). I run several linux guests in this network. One of them, that I call the "headnode", assigns a static IP 192.168.1.1 and runs a DHCP server. The other guests, now referred to as "nodes", use DHCP to obtain their IP addresses of the headnode. During the process of starting the backend nodes, they communicate correctly with the DHCP server on the headnode and receive an IP address. After their NIC is however in place, the main nodes cannot exceed the headnode. A ping from a backend node is unable to reach the headnode. If I ping a backend of the headnode else node hand, it takes about 6 ping probes before the ping starts to work and after that, I can also ping the headnode leave this backend node. It seems that my network setup, i.e. firewall, routing, etc., in the guest linux is correct, but that the vmnet0 switch is not working properly. Is this a known issue with a guest only network?
Thanks already,
Nick
I'm not sure on a Linux host, but on Windows the XXX1 IP address is assigned to the virtual host adapter, if this option is checked! You may have a problem with an IP address in this case duplicate. Also, make sure that the IP address range does not correspond to the physical network.
Anyway, as mentioned by continuum, you can't redefine vmnet0 (filled by default), but use instead an additional vmnet for a virtual network additional.
André
Tags: VMware
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_________________
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Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
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Crypto-map dynamic outside_dyn_map 20 the value transform-set ESP-3DES-SHA
PFS set 40 crypto dynamic-map outside_dyn_map
Crypto-map dynamic outside_dyn_map 40 value transform-set ESP-3DES-SHA
Crypto-map dynamic inside_dyn_map 20 set pfs
Crypto-map dynamic inside_dyn_map 20 the value transform-set ESP-3DES-SHA
map outside_map 65535-isakmp ipsec crypto dynamic outside_dyn_map
outside_map interface card crypto outside
map inside_map 65535-isakmp ipsec crypto dynamic inside_dyn_map
inside crypto map inside_map interface
crypto ISAKMP allow inside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
global service-policy global_policy
XXXXXXX strategy of Group internal
attributes of the strategy group xxxxxxx
banner value xxxxx Site Recovery
WINS server no
24.xxx.xxx.xx value of DNS server
VPN-access-hour no
VPN - connections 3
VPN-idle-timeout 30
VPN-session-timeout no
VPN-filter no
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelall
by default no
disable secure authentication unit
disable authentication of the user
user-authentication-idle-timeout no
disable the IP-phone-bypass
disable the leap-bypass
disable the NEM
disable the NAC
NAC-sq-period 300
NAC-reval-period 36000
NAC-by default-acl no
the address value xxxxxx pools
enable Smartcard-Removal-disconnect
the firewall client no
WebVPN
url-entry functions
Free VPN of CNA no
No vpn-addr-assign aaa
No dhcp vpn-addr-assign
tunnel-group xxxx type ipsec-ra
tunnel-group xxxx general attributes
xxxx address pool
Group Policy - by default-xxxx
blountdr group of tunnel ipsec-attributes
pre-shared-key *.
Missing nat exemption for vpn clients. Add the following and you should be good to go.
inside_nat0_outbound list of allowed ip extended access any 192.168.10.0 255.255.255.0
NAT (inside) 0-list of access inside_nat0_outbound
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Difficulty ping between the hosts and guests
Hello
I want to establish network connectivity between my host OS (XPsp3) and my guests (CentOS5.5 and Windows 7).
So far, I can ping between guests, but not between host and guest, or comments to the host. When I try, I get a message "destination host unreachable".
When I configured my virtual machines in a first time, I put them to 'Host-Only' and I need to keep it like that for the purpose of what I do with them - which is the problem?
Ipconfig and ifconfig outs of machines attached.
Bests
Adam
... If you use VMware Workstation, you could also reconfigure VMnet1 in the 192.168. 8.x subnet using the "Virtual Network Editor"
André
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Virtual LAN with guests and the host only
Hello
I have a win server 2008 r2 host and a couple of virtual machines.
I want to create a VLAN that contains the host and guest of the virtual machine. I intend to host the domain controller.
I put the network connection from the guest to "host-only '.
Then I tried ping between the guest and the host. Ping fails. "request time out" @host and "destination host unreachable'@guest.
Firewall is turned off on both.
What could be the problem? Is there another way to reach my goal?
Kind regards
Dembele.
Did you stop the firewall service, or you have turned off the firewall? Stopping the service does not work.
In any case, take a look at for example example 4 in the http://support.microsoft.com/kb/947709/en-us for how to configure ICMP (ping) settings.
André
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Hello
My setup is a VSphere cluster with 4 guests each with:
E5450 3.00 Ghz Dual Xeon Quad & 32 GB of Ram.
I run a number of virtual machines, mainly Windows 2003 Server Enterprise. Most of them is running on 2 or 4 virtual processors.
I tried to create a new virtual machine with virtual cpu 6 or 8 and 16 GB of ram. When I tried to turn on the virtual machine, I got the message below:
Virtual machine has 8 virtual processors, but the host supports only 4. The number of virtual processors can be limited by the OS, etc...
Now, I checked my licenses and they are for each host that I have:
Company of VSphere 4. 1-6 cores per processor. 2 cpu by assigned host.
Thus, it cannot be a problem with the license...
Any ideas?
Hello and welcome to the forums.
The Enterprise Plus edition is required for vSMP 8 channels. You can check in the vSphere editions comparison. The Enterprise edition will be limited to 4 vCPUs.
The 6 cores per processor refers to the ESX host itself and directly relate to the SMP virtual machine.
Good luck!
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Dear team,
I want to devote 8 vcpu to one of the virtual machine, but it gives following error
"Virtual Machine has 8 virtual processors, but the host supports only 4. The number of virtual processors can be limited by the selected guest OS for the virtual machine or the granting of licenses for the host".
want to know the weather, that it depends on the os under license or guest vm
Hello
It is the restriction of license. 4-way vSMP is the right thing, you stressed in your screenshot.
If you upgrade your server and license to vSphere 5, you can allocate 8 vCPU with Standard license and 32 vCPU with your license of the company!
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