Public IP address for OEM > 11.2.0.4

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• ASA 5510 VPN - using a public IP address for the local network

  Hello, I have a problem which is probably very simple, but I can't seem to understand.

  I set up a site IPsec connection to another with a company, something I've done many times before without a problem. I use ASDM to configure this, because it is quick and painless, usually.

  We have one number of other site-to-site currently configured connections and works very well on this ASA, these are configured with the "Protected network - LAN" configured with the IP private of hosts within our network, we want to make available through the separate tunnels. This includes the configuration setting on our ASA for each connection to "guests aside ASA exempt from NAT.

  With this new link, however, the company asked us to use a public IP address for the host that we want to achieve through the tunnel. I don't know why, but they demand it. So I added a NAT rule for inside the host and set up the connection with the public IP address under "Local network". During the test to try to reach a host to their side, the tunnel didn't even try to open.

  What is the method here? I don't see where I'm wrong. I'm guessing that the 'host side ASA exempt from NAT' does not require for this, how if the ASA would know which internal host is the public IP address.

  Any ideas?

  Hi Leo,

  The steps are:

  1. Add the policy rule NAT for the specific host.

  2 - define the IP NAT as your LOCAL NETWORK address in the encryption settings.

  3 make sure that there is no rule NAT exempt for this host to the specific destination.

  What happens if you run a package tracer?

  Thank you.

• public ip address for asa

  Hello...

  We have router Cisco No. 2851 and asa firewall. We have configured on the connected he for phones IP and ISP router. The ISP directly plugged into the router and asa firewall connected to the router. We want to configure VPN on the router. We have the available public ip address. If I configure VPN on the firewall to configure the local ip address of firewall to the public ip address. SO how do you configure the firewall local ip to public ip? Where we can set up, average on the router or firewall. Please see the configuration of my router and firewall...

  Help, please...

  The ASA would generally when configure you your public IP address. The firewall must normally have a public IP address on the external interface for this work. Once it does, you can perform the dynamic NAT for outbound connections ("global (outside) 1 xxx.xxx.xxx.185 netmask 255.255.255.255" does this).

  But on the config you plugged your external interface address private (RFC 1918):

  interface Ethernet0/3

  Speed 100

  full duplex

  nameif outside

  security-level 0

  IP 192.168.255.2 255.255.255.252

  In addition, it is that a 30 only gives you two addresses - one for the ASA and the other for Gi0/0 of the router (by this config you have also attached). It is a weird Setup, but it seems to have been hacked together to work using the statement of routing on the router "ip route xxx.xxx.xxx.184 255.255.255.248 192.168.255.2.

  It's really a bit of a mess and extending further may be possible but will make it even more complicated. I advise you to have someone to sit down and rework the way public IP addresses are routed to make it look like a more typical configuration.

• The router RSV4000 does support multiple public IP addresses

  I have a client who has a RSV4000 router. The customer also bought a block of 5 usable public IP addresses. I need to be able to assign these public IP addresses for printers, either by configuring a static IP address on each printer directly or through mapping of intellectual property or any other method. Made support for RSV4000 using several treats public IP and if so what configuration is required in the router for printers to be seen by the outside world.

  Hi Winston,

  Thank you for posting. The functionality you need is one-to-one NAT, who does not have the RVS4000. Please watch the RV042 or RV220W for this feature.

• Configure the router WRT54G with the PUBLIC IP address and use the DHCP protocol for internal computers

  Hello

  I have a service online Internet with 5 public IP addresses.

  The router and the AP are connected to a switch.

  I would like to set up a WRT54G Router with a public IP address and use DHCP (with private ip address) for the computers that will connect to the AP.

  That the AP is connected to the switch, it is possible that the other wired computers that are connected to the same switch can get an IP from the DHCP?

  Thanks in advance

  In this case, the routing is automatic.

  WRT54G configuration:

  WAN:

  Internet connection: static IP address

  IP address: 180.X. X 170

  Subnet mask: 255.255.255.248

  Gateway: 180.x.x.x (Ex: 180.x.x.1)

  DNS: servers your ISP DNS

  LAN:

  The IP address of the router: 10.10.10.1

  DHCP range: 10.10.10.100 of-online 10.10.10.200

• Access to the COR to two XP systems behind a router with a single public IP address

  Hello

  is it possible to access the RDC to two XP systems, with two different port for the DRC, behind a router with a single public IP address?

  Please note this ia a small home network without any parameters of the field. I use IP to access DRC.

  You comments are appreciated.

  Thank you

  Use different ports for the DRC on both XP and configure the router to redirect to the appropriate port on the appropriate computer.

  See the article in the Microsoft Knowledge Base How to change the listening port for remote desktop .

• Deployment of ESA without public IP address

  Hello Experts,

  I want to know that if I deploy ESA in my network without public IP address with a config on the SAA as if is there any traffic to port 25, then transmits to the ESA to the Exchange.

  I published the public IP address of my firewall in the MX record.

  In this scenario, there will be no problem for the ESA to determine the reputation of the sender when you receive an email?

  And if ESA is not able to determine the reputation of the sender, then, what is the best way to deploy the ESA without using a public IP address.

  I know that 99% of the ESA facilities use a private IP address on the public static listener with NAT on the firewall in front of the ESA. There is nothing wrong with that. Just think that get translated here. This is the destination IP address of the request that comes from the internet and ESA can still see the IP address of the sender. Only your internal mail server does not see the sender-original INVESTIGATION period. But there's nothing in general not as SPAM-check is done, when the mail strikes the internal server.

• Site to Site VPN between ISR4331(Data Center) and 25 branches with RV042 and dynamic public IP address

  Hi, we just got router ISR4331. We will use this router to our datacenter as pummel hub. Not to mention that it will be the static IP address. Our goal is to connect 30 small offices to the Datacenter by VPN site-to-site. All of our offices a RV042 router and DSL connection, so dynamic public IP. How to accomplish this task. Before the VPN connection is stable and the need not to configure tunnels frequently.

  Thank you

  GM

  Hello

  Please check the config below:

  HUBS:

  crypto ISAKMP policy 1
  

   BA 3des
  md5 hash
  preshared authentication
  Group 2
  life 86400
  crypto isakmp secretkey key address 0.0.0.0 0.0.0.0 (Having said that the dynamic router HUB remote routers have public ip address)
  Describe your valuable traffic. Note that I have sepcified for both tunnels, but basically, it will be the same for the rest out for the destination. For example, I used 192.168.1.0/24 and 192.168.2.0/24. You will need to replace it with your existing installation.
  TUN1 extended IP access list
  ip permit 192.168.1.0 0.0.0.255 192.168.2.0 0.0.0.255
  TUN2 extended IP access list
  ip permit 192.168.1.0 0.0.0.255 192.168.3.0 0.0.0.255
  Create your strategy to Phase 2
  Crypto ipsec transform-set esp-3des esp-md5-hmac TS
  card crypto S2STUN 1-isakmp dynamic ipsec HUB_TUN
  crypto dynamic-map HUB_TUN 10
  

  86400 seconds, life of security association set

  game of transformation-TS

  match address TUN1

  !

  crypto dynamic-map HUB_TUN 11

  86400 seconds, life of security association set

  game of transformation-TS

  match address TUN2
  Now apply the card encryption to your WAN interface
  gi0/1 interface
  card crypto S2STUN
  Now configure on your remote routers
  Remote router 1
  crypto ISAKMP policy 1
  BA 3des

  md5 hash

  preshared authentication

  Group 2

  life 86400

  !

  ISAKMP crypto secretkey key address x.x.x.x (replace with your public ip address of the HUB)

  !

  TUNNEL TRAFFIC extended IP access list

  permit ip 192.168.2.0 0.0.0.255 192.168.1.0 0.0.0.255

  !

  Crypto ipsec transform-set esp-3des esp-md5-hmac TS

  !

  crypto card TUN_TO_HUB 10 ipsec-isakmp

  defined peer x.x.x.x (replace with your public ip address of the hub)

  game of transformation-TS

  match address TRAFFIC TUNNEL
  !

  gi0/1 interface

  card crypto TUN_TO_HUB

  Remote router 2

  crypto ISAKMP policy 1
  
  BA 3des
  md5 hash
  preshared authentication
  Group 2
  life 86400
  !
  ISAKMP crypto secretkey key address x.x.x.x (replace with your public ip address of the HUB)
  !
  TUNNEL TRAFFIC extended IP access list
  ip licensing 192.168.3.0 0.0.0.255 192.168.1.0 0.0.0.255
  !
  Crypto ipsec transform-set esp-3des esp-md5-hmac TS
  !
  crypto card TUN_TO_HUB 10 ipsec-isakmp
  defined peer x.x.x.x (replace with your public ip address of the hub)
  game of transformation-TS
  match address TRAFFIC TUNNEL
  !
  gi0/1 interface
  card crypto TUN_TO_HUB
  HTH.
  Evaluate the useful ticket.
  Kind regards
  Terence

• Could not ping router RV042G public Internet address when it is after spending a SG200-08

  I use the optical fiber Singtel broadband server. I installed a SG200-08 for UNTAG VLAN to port 2 and connect the port to port RV042G WAN 1. It works very well with a public IP address. Access to Internet is very well to router LAN ports.

  However, I try ping on the public IP address of RV042G of the internet, I could not reach him. Everything what I'm missing in configuration SG200-08?

  Hello

  I don'i heard the switch block ICMP traffic as it has layer 2 switch, can you please check if the Ping on the interface of the router WAN is activate--> firewall--> WAN ping of uncheck block

  Please rate this post or marked as replied to help other customers of Cisco

  Thank you

  Mehdi

• Is it posible to the public ip address of the default locking?

  Is it posible to block the public IP address by default on multiWAN routers?

  I have several RV016 with up to 4 30Mbps Internet VDSL lines each and using the latest firmware to load 50-200 customer balance.

  When it is used for navigation, some sites will have to lock public source IP of the customer (especially sites that requires a user authentication).

  From a server point of view, public IP address will be between public IPs provided by ISP, automatic suite 4 round robin load balancing strategy.

  As public IP, read by the server changed server reduced session, users will need to enter username and password again to connect.

  Is it posible to lock this public IP for awhile to idle? (he has been featured on my old router BeWAN LX400H as "timer LockSource IP")

  ebarriera,

  The RV016 has no functionality like timer LockSource IP unfortunately. It's a common problem with load in the Cisco Small Business routers and key balancing mainly "secure them" traffic like HTTPS and RDP. I would test balance HTTP traffic and link HTTPS traffic to a WAN port and see if you get decent results.

  -Marty

• Public IP address used internally on RV220W

  Hello

  I've finally set up our RV220W to serve our network of offices, using the following environment:

  WAN is set for a public IP (static configuration), while internal network consists of two VLANS.

  VLAN 1 is connected to the cable network and a SSID wireless, where DHCP is served by our server Windows SBS (192.168.15.x), and this VLAN is used only for our own office. VLAN 2 is connected to a second SSID wireless, where DHCP is served by the RV220W himself (192.168.17.x) and this VLAN is used for guests and visitors to our office.

  On a regular basis, we need to use a mobile device to access a test page of a development server on VLAN 1, and the router is configured to redirect the connections on a specific port on the public IP address to our development server.

  For VLAN 1, I solved this by substituting the DNS for the host name of this test page to use the local IP address of the development server.

  However, for VLAN 2, there is no way to access this test page.

  Is there a way I can configure the router to redirect connections, either replace the internal DNS for the test on the development server page is also accessible from 2 VLAN (network comments/visitor)?

  Thanks for any help.

  Hi Kim, what firmware version are you using? You can load the last

  http://www.Cisco.com/Cisco/software/release.html?mdfid=283118607&flowid=&softwareid=282487380&OS=null&release=1.0.4.17&relind=null&rellifecycle=null&RelType=null

  On older versions, there are a few problems Hairpin, but most have been resolved on the latest 2 releases.

  -Tom
  Please evaluate the useful messages

• Numbering of the SIP Client IP addresses to public IP addresses

  Hello

  We are developing a new video network with VCS control and 2 highways of VCS. 1 expressway stressed the public internet address face and 2nd Expressway face partner network.

  Requirement: Internal SIP endpoint need dial IP address public (via Highway 1) and the IP address of the partner (via Highway 2). VCS control configured mode "calls to unknown IP address" to "Indirect".

  The two highways set up for 'Request to the unknown IP' mode to 'lead '.

  There is research on the VCS control rules to find the IP address.

  Priority 1 for IP address via 1st Highway

  Priority 2 for Ip address of partner via Highway 2.

  The two numbering IP addresses work, but component partner / IP address takes about 38 Sec to finish for the configuration of the call.

  When I look at the history of calls on the VCS control, I can see even for the search for the IP address of partners, 1 internet search Expressway and could not reach the IP address and then start to search on the highway of VCS partner and find the Ip address, like that it takes more time to complete the call.

  Sometimes, it is time and couldn't make a call of IP address to the IP address of the partner.

  is he kind, we can minismise the time for setting up call for the IP address of the partner numbering.

  Kind regards

  Chris

  Chris,

  try to disable SIP UDP on both motorways as this should reduce the appeal of 30 seconds preparation time.

  Hope this helps,

  Andreas

• Public IP address on VC selector

  Dear,

  Attached are the newspapers, (do not consider the time in the newspapers that the sx20 has not been configured with the good times, but newspapers are 5 hrs return)

  I'm calling from SX20 that is configured with the public IP address to another device of tandberg, which is also on the public ip address but I couldn't connect.

  I tried several public IP according to the link, but no luck, https://supportforums.cisco.com/discussion/11499281/ip-adress-test

  To use the independent SX20 I make you have more SX20 configured on the Web Interface:

  Configuration-> Advance Configuration-> H323-> profile-> Callsetup Mode 1: Live

  Configuration-> Advance Configuration-> H323-> profile-> PortAllocation 1: static

  can someone help me understand the issue lies where.

  Thank you

  Just as I suggested in my previous post, you need a videoconferencing (Polycom PVX or Realpresence for desktop PC) application/software running on your laptop. Your port LAN for laptop computer using LAN cable connect it directly to the port LAN SX20. Configure the SX20 and portable with a static ip address in the same network segment to communicate as a peer to peer.

  Laptop IP: 192.168.1.10/24

  SX20 IP: 192.168.1.11/24

  Your own laptop with Polycom software launched, you should be able to dial the IP address of your SX20 and call H323 successful. SX20, you should be able to call the laptop using his IP address as well.

  It is a way to test if your SX20 codec works with the basic configuration to call H323 via IP address.

  You can download the Polycom PVX or Polycom RealPresence of Polycom Web site.

  Kind regards

  Acevirgil

• EX90 two autonomous with the public IP address can make video calls among them self on the Internet or not?

  Dear expert;

  I am very new to VCS and TP Cisco.

  We implement now presence Cisco TV with VCS - C, VCS-E TMS, TCS, MCUS and endpoints with Jabber in a single edit.

  and in another configuration CUCM 10.5, UCCX 10.5 IM & P, Jabber with some 10 officers.

  Now the question is in our building on the 2nd floor we have an EX90 and on the 5th floor an EX90 and on local network, we can make video calls using the IP address.

  In the same way is it possible to make a video call between 2 devices EX90 (both have public IP) present in a location different in the same city on the Internet without the participation of VCS - C and VCS-E.

  It's the client request :)

  Concerning

  Paiva

  Yes, but leaving these systems outside in nature with public IP addresses, leaving you are vulnerable to a number of questions. See for example http://www.videonationsltd.co.uk/2014/11/h-323-cisco-spam-calls/

  https://supportforums.Cisco.com/discussion/12336591/sourceh323idcisco-incomingcalls

  https://supportforums.Cisco.com/discussion/12340591/nuisance-h323-calls-SX20

  The offers above with H.323 calls, in addition to this, you will encounter similar problems using SIP where the systems will be analyzed by tools such as SIPVicious

  /Jens

  Please note the answers and mark questions as "answered" as appropriate

• U - Turn anyconnect with public IP addresses

  Hi all

  I want to configure on an ASA5505 anyconnect but I can't achieve anything when I am connected.

  The customer must receive a public IP address and all traffic must pass through the VPN tunnel.

  The ASA has only one connected interface (outside) and a public IP address.

  Public IP for the VPN subnet is routed to the ASA.

  I don't have any "network" and I don't have a.

  VPN clients must be able to Exchange traffic between them.

  My network configuration:

  -ASA outside IP: x.y.z.19

  -IP address range allocated to VPNS: x.y.z.48 to x.y.z.63

  -There is a firewall that allow the IP VPN to one beach and rule range of VPN IP on the "global" interface

  If I establish a VPN connection, receive an IP address, for example x.y.z.50

  Traceroute from external location to x.y.z.50 for example shows x.y.z.19 as the last hop, if routing is working properly.

  On the VPN client, I cannot ping or achieve anything on x.y.z.19 or 8.8.8.8

  Plotter in x.y.z.50 to 8.8.8.8 ASDM package shows that the package can pass.

  What Miss me? Do I need to use NAT, even if I do not have inside the network?

  Thanks for your help!

  Hello

  Yes. You select allowed same traffic safety intra-interface that come you and go through the same interface... you need to do no. - nat with (outdoors, outdoor) with your vpn address...

  Concerning

  Knockaert