Unable to work Internet and Internal DNS server on virtual box Centos7 server with two different NIC card
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I have tried to configure Oracle Virtual box with two Network card and internal DNS server and internet access but looks like I am missing something.
Key points that I am looking:
Configure Network in Virtual box with using two Nic card. enp0s3 & snp0s8
My Base system is Windows 7 so far.. I have installed virtual box 5.26 latest version.
I do see network card installed by virtualbox during installation and it is on auto dhcp Description: VirtualBox Host-Only Ethernet Adapter Physical Address: xx-xx-xx-xx-xx DHCP Enabled: Yes IPv4 Address: 192.168.56.101 IPv4 Subnet Mask: 255.255.255.0 IPv4 Default Gateway: IPv4 DHCP Server: 192.168.56.100 IPv4 DNS Server: NA
Virtual server (CentOS 7) installed with two NIC card : 1st is hostonly nework - for internal communication :static IP : 192.168.56.* , Second NIC card selected as Bridge network : auto dhcp : which will be use for internet sharing
DNS server I am using from ISP provide IP : example : 8.8.8.8
Centos 7 servers properly configured with as internal DNS server labserver1.example.com but it doesnt work when internet is running.
I have changed resolve.conf entries as follows.
options rotate nameserver 8.8.8.8 search localdomain nameserver 192.168.56.111
network configuration file : enp0s3 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=enp0s3 UUID=cd22462f-32e6-4133-96b6-c8cfc8b3c3ed DEVICE=enp0s3 ONBOOT=yes IPADDR=192.168.56.111 NETMASK=255.255.255.0 DNS=8.8.8.8 DNS=192.168.56.111 ZONE=public PEERDNS=no NM_CONTROLLED=no
When I try to dig or nslookup for labserver1.example.com , it resolves for few seconds. Later doesnt.
When I try to hash nameserver :8.8.8.8 (ISP provide) then it works and also able to dig and nslookup from other clients.
Internet and internal DNS server (labserver1.example.com) unable to work at same time.
I am looking here server able to do both work without interruption. one NIC card should work with Internet and another nic card will deal with internal DNS server
virtualbox
edited Mar 8 at 14:36
dhag
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
add a comment |
I have tried to configure Oracle Virtual box with two Network card and internal DNS server and internet access but looks like I am missing something.
Key points that I am looking:
Configure Network in Virtual box with using two Nic card. enp0s3 & snp0s8
My Base system is Windows 7 so far.. I have installed virtual box 5.26 latest version.
I do see network card installed by virtualbox during installation and it is on auto dhcp Description: VirtualBox Host-Only Ethernet Adapter Physical Address: xx-xx-xx-xx-xx DHCP Enabled: Yes IPv4 Address: 192.168.56.101 IPv4 Subnet Mask: 255.255.255.0 IPv4 Default Gateway: IPv4 DHCP Server: 192.168.56.100 IPv4 DNS Server: NA
Virtual server (CentOS 7) installed with two NIC card : 1st is hostonly nework - for internal communication :static IP : 192.168.56.* , Second NIC card selected as Bridge network : auto dhcp : which will be use for internet sharing
DNS server I am using from ISP provide IP : example : 8.8.8.8
Centos 7 servers properly configured with as internal DNS server labserver1.example.com but it doesnt work when internet is running.
I have changed resolve.conf entries as follows.
options rotate nameserver 8.8.8.8 search localdomain nameserver 192.168.56.111
network configuration file : enp0s3 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=enp0s3 UUID=cd22462f-32e6-4133-96b6-c8cfc8b3c3ed DEVICE=enp0s3 ONBOOT=yes IPADDR=192.168.56.111 NETMASK=255.255.255.0 DNS=8.8.8.8 DNS=192.168.56.111 ZONE=public PEERDNS=no NM_CONTROLLED=no
When I try to dig or nslookup for labserver1.example.com , it resolves for few seconds. Later doesnt.
When I try to hash nameserver :8.8.8.8 (ISP provide) then it works and also able to dig and nslookup from other clients.
Internet and internal DNS server (labserver1.example.com) unable to work at same time.
I am looking here server able to do both work without interruption. one NIC card should work with Internet and another nic card will deal with internal DNS server
virtualbox
edited Mar 8 at 14:36
dhag
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45
add a comment |
I have tried to configure Oracle Virtual box with two Network card and internal DNS server and internet access but looks like I am missing something.
Key points that I am looking:
Configure Network in Virtual box with using two Nic card. enp0s3 & snp0s8
My Base system is Windows 7 so far.. I have installed virtual box 5.26 latest version.
I do see network card installed by virtualbox during installation and it is on auto dhcp Description: VirtualBox Host-Only Ethernet Adapter Physical Address: xx-xx-xx-xx-xx DHCP Enabled: Yes IPv4 Address: 192.168.56.101 IPv4 Subnet Mask: 255.255.255.0 IPv4 Default Gateway: IPv4 DHCP Server: 192.168.56.100 IPv4 DNS Server: NA
Virtual server (CentOS 7) installed with two NIC card : 1st is hostonly nework - for internal communication :static IP : 192.168.56.* , Second NIC card selected as Bridge network : auto dhcp : which will be use for internet sharing
DNS server I am using from ISP provide IP : example : 8.8.8.8
Centos 7 servers properly configured with as internal DNS server labserver1.example.com but it doesnt work when internet is running.
I have changed resolve.conf entries as follows.
options rotate nameserver 8.8.8.8 search localdomain nameserver 192.168.56.111
network configuration file : enp0s3 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=enp0s3 UUID=cd22462f-32e6-4133-96b6-c8cfc8b3c3ed DEVICE=enp0s3 ONBOOT=yes IPADDR=192.168.56.111 NETMASK=255.255.255.0 DNS=8.8.8.8 DNS=192.168.56.111 ZONE=public PEERDNS=no NM_CONTROLLED=no
When I try to dig or nslookup for labserver1.example.com , it resolves for few seconds. Later doesnt.
When I try to hash nameserver :8.8.8.8 (ISP provide) then it works and also able to dig and nslookup from other clients.
Internet and internal DNS server (labserver1.example.com) unable to work at same time.
I am looking here server able to do both work without interruption. one NIC card should work with Internet and another nic card will deal with internal DNS server
virtualbox
edited Mar 8 at 14:36
dhag
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
I have tried to configure Oracle Virtual box with two Network card and internal DNS server and internet access but looks like I am missing something.
Key points that I am looking:
Configure Network in Virtual box with using two Nic card. enp0s3 & snp0s8
My Base system is Windows 7 so far.. I have installed virtual box 5.26 latest version.
I do see network card installed by virtualbox during installation and it is on auto dhcp Description: VirtualBox Host-Only Ethernet Adapter Physical Address: xx-xx-xx-xx-xx DHCP Enabled: Yes IPv4 Address: 192.168.56.101 IPv4 Subnet Mask: 255.255.255.0 IPv4 Default Gateway: IPv4 DHCP Server: 192.168.56.100 IPv4 DNS Server: NA
Virtual server (CentOS 7) installed with two NIC card : 1st is hostonly nework - for internal communication :static IP : 192.168.56.* , Second NIC card selected as Bridge network : auto dhcp : which will be use for internet sharing
DNS server I am using from ISP provide IP : example : 8.8.8.8
Centos 7 servers properly configured with as internal DNS server labserver1.example.com but it doesnt work when internet is running.
I have changed resolve.conf entries as follows.
options rotate nameserver 8.8.8.8 search localdomain nameserver 192.168.56.111
network configuration file : enp0s3 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=enp0s3 UUID=cd22462f-32e6-4133-96b6-c8cfc8b3c3ed DEVICE=enp0s3 ONBOOT=yes IPADDR=192.168.56.111 NETMASK=255.255.255.0 DNS=8.8.8.8 DNS=192.168.56.111 ZONE=public PEERDNS=no NM_CONTROLLED=no
When I try to dig or nslookup for labserver1.example.com , it resolves for few seconds. Later doesnt.
When I try to hash nameserver :8.8.8.8 (ISP provide) then it works and also able to dig and nslookup from other clients.
Internet and internal DNS server (labserver1.example.com) unable to work at same time.
I am looking here server able to do both work without interruption. one NIC card should work with Internet and another nic card will deal with internal DNS server
virtualbox
virtualbox
edited Mar 8 at 14:36
dhag
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
edited Mar 8 at 14:36
dhag
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
edited Mar 8 at 14:36
dhag
11.5k33246
edited Mar 8 at 14:36
dhag
11.5k33246
edited Mar 8 at 14:36
dhag
11.5k33246
11.5k33246
asked Mar 8 at 13:42
Shridhar BShridhar B
1
asked Mar 8 at 13:42
Shridhar BShridhar B
1
asked Mar 8 at 13:42
Shridhar BShridhar B
1
1
I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45
add a comment |
I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45
I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45
I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45
add a comment |
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I'm confused. Is the single problem that your virtual machine cannot access the internet, or is there something more?
– dhag
Mar 8 at 14:45