Private network being viewed as public.

Hello everyone,
I hope I'm asking this in the right forum. I have Windows Server 2012 up and running. I've assigned one of my Network cards a static private IP address. The DHCP service is running and working. However, the private network is being
viewed as a public IP address. This is preventing me from mapping a shared network drive on the network.
I am new to Windows Server 2012. Any help would be appreciated.

Hi,
You can try the following steps.
Win+r, type gpedit.msc
Computer configuration> Computer settings>Security settings>Network List Manager Policies
Choose the name of your network connection, you can change network type there.
Hope this helps.

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I noticed that after setting up HyperV Server 2012 R2, that after applying needed firewall rules to allow remote management, that these were added into the "Public" profile. So, I disabled them and enabled for Private and proceeded to change the
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Mixing public and private networks on the same switch

Hello Everyone,
I know this may get some security engineers in frenzy but wanted to know if there is a safe way to mix public and private networks on the same switch.
We have many remote offices that we want to add public wifi and a couple of other services that would be completely outside of our internal network. Each office has a 3750 with plenty of open ports. How can I safely create a vlan for public access on these switches which currently have our internal network on. I have read that people are doing this to save on the cost of purchasing a dedicated switch. Some people are using access lists and one person mentioned creating a private vlan for the public network. I looked up private vlan and it seemed bit confusing.
Is this recommended? If not what would be the safest way to do this?
Thanks Everyone

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How "safe" is relative. If your running just one VLAN on a switch, that's would be the safest (basically the same as mixing traffic on the same wire - separation is done else where).
If you multiple VLANs on a switch, then you need to determine how likely someone might figure out a way to breach the VLAN barriers. (This isn't so easy on newer switches.) If the VLAN isolation is breeched, then you need to examine what does that imply from a security perspective (for example can someone now inject or receive other VLAN traffic).
For most purposes, I don't see mixing public and private VLANs, alone, on the same switch as much of a risk. More of a concern is what can be reached on either VLAN and how well it's protected.

Clustered Environment - Changing from Public Network to Private Network

I have a clustered environment where the database sits on one node and the central instance sits on the other node. We just found out that somehow the communication between the database and central instance has been changed to talk over the public network instead of the private network. We don't know who did it or why.
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This is most likely a name resolving problem.
If you ping <name> from one server to the other, which network is used?
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How to route traffic to a static public IP address on my private network

Here is my topology:
ISP Modem ---------------- (gig0/0) Cisco Router (gig0/1) -----------------Cisco Switch--------------------Server
60.70.80.90 172.16.0.1 172.16.0.2 60.70.80.91
Gateway: 60.70.80.89
Netmask: 255.255.255.240
Scenario:
My ISP has given me 5 static IP addresses in which I want to assign one of them to one of my servers that lies within my private network. I am wondering what kind of configurations I would need to be able to access my server from outside my private network using one of the static IP addresses that was given from my ISP. Does this need some sort of static NAT on top of the inside/outside NAT I have done on my router? Thanks
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Duplicate post.
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Hello everyone...
I have a hyper-v cluster (3 nodes), and a second stand-alone hyper-v host; all of which is managed by SCVMM 2012 R2. The VMM server, and all hyper-v hosts are connected to a 10gbs private network.
When doing a live migration between nodes in the cluster; everything is being transferred over the 10gbs network.
When doing a live migration between one of the cluster nodes and the stand-alone host, it uses the public LAN.
All machines can ping each other on the 10gps network, so it isn't a connectivity issue. (I am using that network to do backups as well.)
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Hi Sir,
>>I have a hyper-v cluster (3 nodes), and a second stand-alone hyper-v host; all of which is managed by SCVMM 2012 R2. The VMM server, and
all hyper-v hosts are connected to a 10gbs private network.
>>When doing a live migration between one of the cluster nodes and the stand-alone host, it uses the public LAN.
If I understand correctly , you may need to check the link layer between the cluster node's live migrate IP and that stand-alone host's LM IP .
I want to know the detail of the network topology between cluster and stand-alone host because you mentioned "it uses the public lan" .
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Does SAPRouter should be included in Private network ?

Hi,
While setting up SAP Router, does this system should be included in private network(internal network). As I have connected to public network. I could nt get the reason why saprouter is not being started from command mode.
Regards,
Nagesh

saprouter is a tcpip software router which handels communication between different networks.
In order to gain public sources controlled access to resources on you private network the host needs to be able to access both.
>> I could nt get the reason why saprouter is not being started from command mode.
what's your question?
- why not just starting it in a command prompt?
-- because this one will terminate when you logoff from the windows session
- or did you have problems getting saprouter running?
peter

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Hello.
At the beginning sorry for my poor English. My company uses a Cisco 881 router and I have the following problem to resolve. I need to assign an local IP address from my private network to an public IP address (this is the public IP address of the SMTP server). As a result, I want to do the following thing: I would like to use an local IP address in the SMTP server settings of the email client instead of an IP address of the service provider. Device, which I have to configure with SMTP server is connected via a VPN and I can't use a public IP address of email provider. Thank you for any respond.

Hello.
At the beginning sorry for my poor English. My company uses a Cisco 881 router and I have the following problem to resolve. I need to assign an local IP address from my private network to an public IP address (this is the public IP address of the SMTP server). As a result, I want to do the following thing: I would like to use an local IP address in the SMTP server settings of the email client instead of an IP address of the service provider. Device, which I have to configure with SMTP server is connected via a VPN and I can't use a public IP address of email provider. Thank you for any respond.

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I would like to add a public wi-fi hotspot for guests without exposing our network. (We host a gathering of motorcyclists from around North America, the kids have freinds over, etc.)
I assume I will need to add a second wireless router or access point.
What type of device do I need to add?
Can I use the advanced routing features to control this, with or without isolating them by setting up a separate VLAN on the switch?
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Hmmm. No responses, eh?
Ah well, I think I may have found my answer. Does anyone have experience with the WRV200 or WRV210? They appear to feature multiple SSIDs (that can be hidden or exposed independently) and VLAN support. Am I correct in assuming that I could set up one VLAN for my private network, with it's own hidden SSID and encryption key and a second VLAN with a visible SSID and possibly a separate encryption key?
Now, assuming all that works. How will the wireless get along with my existing SRX400 exquipment? Does the fact that the WRV210 only has 2 antennas compared to the 3 on my existing WRT5GX4 mean this one will be slower or have reduced range?

I am using a verizion jetpack to wireless connect to an airport express next i want to connect a Airport extreme wired from toe express to create a second private network that has internet access via the jetpack

Thanks for the help after looking over your sugesstion I did some additional troubleshooting which i should have done in the beginning and heres what i found
Airport express is joined to and existing wireless network and i have internet access....all good
I set up my Airport Extreme as follows:
                    Connect using :ethernet
              Ethernet Wan Port : automatic
              Connetion Sharing : Share a public IP address
Tcpip      Configue IPv4: Using DHCP
DHCP                   Begin address: 172.16.22.200
                           Ending address: 172.16.22.254
Wireless    Create a wireless network
                         Wireless network name Test1
                          wpa2 security
This is needed due to set ip address of device on this private network did not address NAT
Conneted Express ethernet port to Extreme wan port
All wired devices have internet access and i get a double nat status which ignore
however my wireless device will not connect.... sometimes they will they want
any suggestions

Here are sceeen shots of the Express

IP routing utilizing Verizon private network (GRE tunnel) with remote cellular gateways

Okay, I give up, and think I have done my due diligence (I have been engrossed and fascinated spending many more hours than allotted to try and learn some of the finer details). Time for some advice. My usual trade is controls engineering which generally require only basic knowledge of networking principals. However I recently took a job to integrate 100 or so lift stations scattered around a county into a central SCADA system. I decided to use cellular technology to connect these remote sites back to the main SCADA system. Well the infrastructure is now in and it’s time to get these things talking. Basic topology description is as follows: Each remote site has an Airlink LS300 gateway. Attached to the gateway via Ethernet is a system controller that I will be polling via Modbus TCP from the main SCADA system. The Airlinks are provisioned by Verizon utilizing a private network with static IP's. This private networks address is 192.168.1.0/24. Back at the central office the SCADA computer is sitting behind a Cisco 2911. The LAN address of the central office is 192.168.11.0/24. The 2911 is utilizing GRE tunnels that terminate with Verizon. The original turn up was done with another contractor that did a basic config of the router which you will find below. As it stands now I am pretty confident the tunnels are up and working (if I change a local computers subnet to 255.255.0.0 I can surprisingly reach the airlinks in the field), but this is obviously not the right way to solve the problem, not to mention I was unable to successfully poll the end devices on the other side of the Airlinks. I think I understand just about every part of the config below and think it is just missing a few items to be complete. I would greatly appreciate anyone’s help in getting this set up correctly. I also have a few questions about the set up that still don’t make sense to me, you will find them below the config. Thanks in advance.
no aaa new-model
ip cef
ip dhcp excluded-address 10.10.10.1
ip dhcp pool ccp-pool
import all
network 10.10.10.0 255.255.255.248
default-router 10.10.10.1
lease 0 2
ip domain name yourdomain.com
no ipv6 cef
multilink bundle-name authenticated
username cisco privilege 15 one-time secret
redundancy
crypto isakmp policy 1
encr 3des
hash md5
authentication pre-share
group 2
crypto isakmp key AbCdEf01294 address 99.101.15.99
crypto isakmp key AbCdEf01294 address 99.100.14.88
crypto ipsec transform-set VZW_TSET esp-3des esp-md5-hmac
mode transport
crypto map VZW_VPNTUNNEL 1 ipsec-isakmp
description Verizon Wireless Tunnel
set peer 99.101.15.99
set peer 99.100.14.88
set transform-set VZW_TSET
match address VZW_VPN
interface Tunnel1
description GRE Tunnel to Verizon Wireless
ip address 172.16.200.2 255.255.255.252
tunnel source 22.20.19.18
tunnel destination 99.101.15.99
interface Tunnel2
description GRE Tunnel 2 to Verizon Wireless
ip address 172.16.200.6 255.255.255.252
tunnel source 22.20.19.18
tunnel destination 99.100.14.88
interface Embedded-Service-Engine0/0
no ip address
shutdown
interface GigabitEthernet0/0
description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-GE 0/0$
ip address 10.10.10.1 255.255.255.248
shutdown
duplex auto
speed auto
interface GigabitEthernet0/1
ip address 192.168.11.1 255.255.255.0
duplex auto
speed auto
interface GigabitEthernet0/2
ip address 22.20.19.18 255.255.255.0
duplex full
speed 100
crypto map VZW_VPNTUNNEL
router bgp 65505
bgp log-neighbor-changes
network 0.0.0.0
network 192.168.11.0
neighbor 172.16.200.1 remote-as 6167
neighbor 172.16.200.5 remote-as 6167
ip forward-protocol nd
ip http server
ip http access-class 23
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
ip route 0.0.0.0 0.0.0.0 22.20.19.19
ip access-list extended VZW_VPN
permit gre host 99.101.15.99 host 22.20.19.18
permit icmp host 99.101.15.99 host 22.20.19.18
permit esp host 99.101.15.99 host 22.20.19.18
permit udp host 99.101.15.99 host 22.20.19.18 eq isakmp
permit gre host 22.20.19.18 host 99.101.15.99
permit gre host 22.20.19.18 host 99.100.14.88
access-list 23 permit 10.10.10.0 0.0.0.7
control-plane
end
So after spending countless hours analyzing every portion of this, I think that adding one line to this will get it going (or at least closer).
ip route 192.168.1.0 255.255.0.0 22.20.19.19
That should allow my internal LAN to reach the Airlink gateways on the other side of the tunnel (I think)
Now for a couple of questions for those that are still actually hanging around.
#1 what is the purpose of the Ethernet address assigned to each tunnel? I only see them being used in the BGP section where they are receiving routing tables from the Verizon side (is that correct?). Why wouldn't or couldn't you just use the physical Ethernet address interface in its place (in the BGP section)?
#2 is the config above correct in pointing the default route to the physical Ethernet address? Does that force the packets into the tunnel, or shouldn’t you be pointing it towards the tunnel IP's (172.16.200.2)? If the config above is correct then I should not need to add the route I described above as if I ping out to 192.168.1.X that should catch it and force it into the tunnel where Verizon would pick it up and know how to get it to its destination??
#3 Will I need to add another permit to the VZW_VPN for TCP as in the end I need to be able to poll via Modbus which uses port 502 TCP. Or is TCP implicit in some way with the GRE permit?
I actually have alot more questions, but I will keep reading for now.
I really appreciate the time you all took to trudge through this. Also please feel free to point anything else out that I may have missed or that can be improved. Have a great day!

This post is a duplicate of this thread
https://supportforums.cisco.com/discussion/12275476/proper-routing-lan-through-verizon-private-network-gre-airlink-gateways
which has a response. I suggest that all discussion of this question be done through the other thread.
HTH
Rick

What is the correlation of Logger Private network to Router Private Network.

What is the correlation of Logger Private network to Router Private Network.
You have to define them in Websetup for the Router and Logger but what is communicating on the Private network path between the Logger and Router? I thought that was over the Public network. is it only Recovery from the Loggers talking over the Private network?

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Live Migration and private network

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Hi Roynor,
regarding the physical separation beetween management+hypervisor and the guest VMs, it's now implemented and working...
My next doubt on the list of doubts :-) at this point is:
I could easily set up ONE MORE dedicated bond, create a Bridge with a private IP on it on each server (e.g. 10.xxx.xxx.xxx), and then create a Private VLAN completely insulated from the rest of the world.
I'd be putting the physical switch ports where the Private Bonds/Bridges belong to on the same VLAN ID.
But:
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In Oracle VM such setting does not exist... Neither during installation, nor in VM Manager, nowhere.
- Apart from Security, I'm doubting that during heavy VMs migration problems could arise, because if the network gets saturated, there are chances that the OCFS2 heartbeat would be somehow "lost", therefore messing up HA etc. This is at least the reason why in a RAC setup a private network is highly recommended.
- I finally found that doc you mention from IBM (thanks for pointing it out!) but my opinion is that THEIR INTENTION was to separate the traffic at the same way I'd like to, but there is simply NO PROOF that such setup would work... They do not mention where you can specify what traffic you want to be on what network...
This is a very important point... I'm wondering why this lack of information.
Thanks for your feedback, btw
Edited by: rlomba on Dec 17, 2009 6:16 AM

Private network being viewed as public.

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