Enabling NAT Loopback On HG556a Router?

Jun 16, 2013

This is one of the standard issue vodafone routers. So i set up web-server on my laptop, and it is accessible to the internet now.

However I need to be able to access it from my machine using the public address. But I just cannot find where to enable nat loopback. I looked for options in both regular and advanced user logins (web interfaces). So I suppose the last option is telneting into it, and using commands to do it.. but I don't know how to access it (cant find the credentials). URL

In above link it says that i can find this info in configuration file, but how to access it?

And then what commands should I use to enable the NAT loopback?

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HG556a Firmware - Router LAN Speed Limits?

Nov 26, 2012

My router that i am currently using has 1gbp/s lan and i seem to be limited to 10mbp/s when i try to transfer files across the network. I have the HG556a firmware.

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HG556A Vodafone Can't Connect To Game Server

Nov 26, 2012

I am having a few issues with the HG556A Vodafone Router/Modem ADSL 2+.Firstly i cant get my friend to connect to my game server i am hosting with the same exact settings as we had it 2 weeks ago, Local IP's have not altered, DMZ, NAT etc still the same, External ip is Dynamic and i gave him the new one and he can successfully ping it. One problem is that i cant ping his IP, I get no response. He is connected to the internet.Secondly how can i connect to my server at home with RDP from an external location?

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Feb 25, 2013

In my home network, I have a Synology. It has as local IP address on my local network and it can be accessed by internet with the dynamic domain name.So when I'm home, I have to use to access it, and when I'm away, I have to use trucmuche.diskstation.me.Would it be possible to configure the EA3500 to redirect the domain name "trucmuche.diskstation.me" to when I use the domain name inside my home ?A friend told me that I had to configure "loopback" but I don't know how..

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Cisco WAN :: Loopback Testing On 2610 Router

Jun 22, 2011

I am working at a client site today.  The client has a large Frame Relay Hub Spoke network.  The Hub is at the HQ location, and then there are about 15 spoke sites in remote offices.
We are having an issue with the frame between the HQ and one of the spokes.  We are currently working with our dear friends at AT&T to troubleshoot the issue.  AT&T yesterday was trying to run a local loop test to the router at the remote (spoke) end.  We were working iwth them in trying to put the remote router (which we manage) into a loopback mode.  We were trying to use controller commands
COOP-Rappahanock#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
COOP-Rappahanock(config)#controller ?
% Unrecognized command
That we seem to run out of options...
How can we put the subinterface that is the other end fo the frame into loopback mode so that a local loop test can be done between us and AT&T (provider)?

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Linksys Wireless Router :: EA6500 Loopback NAT Not Work

Nov 14, 2012

I purchase new router EA6500 for fiber optic network 100/200 (my old WRT56GL is too slow for this speed). Now i have big problem with NAT Loop back - didn't work. How can I corrected this error. All other services work OK. I need this function for my mail server and web server on my firm) - now I can't connect  from local IP to my mail server and read messages. Firmvare version is

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Sep 26, 2012

I have an Ethernet Loopback Plug (4 Pairs) made and trying to test the Gigabit Interface on a 3845 Router with a fail result. The interface will show up/up only if I set the interface to 100M/Full Duplex when I plug-in the Ethernet Loopback Plug (4 Pairs). I don't see this Gigabit Interface @ 3845 router has any option to set it to internal or external loopback.

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Jan 21, 2013

I am setting up the DI-524 router with password protected. I tried to useWEP key is but after restart its going back to WEP disable mode.

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Can't Ping Loopback Or Local Ip

Jan 4, 2011

I have a cisco router 2811 connected on other two routers but can't ping any of them from any of them too (frame-relay encap correct) DLCI mapping ok all ip configured only router 2 's line protocol is up the rest is down on others and seems LMI sent are not receive and do know how correct that

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Cisco WAN :: IP SLA544 Using With Loopback

Feb 17, 2011

I am facing issue with using IP SLA544, I am given a project in office and need to implement policy based routing,for some reasons i want to use loopback for it.I have 2 routers A and B, I just want if traffic from 216.0 network comes on A set next hop to routers B looback interface. Can i do it? its working fine with physical interfaces but not with loop back. This loop back is reachable and from router A if i telnet the loopback IP of B it actually gets me to Router B as well.

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Oct 25, 2011

I have an 881 router here in house and am attempting to enable the gui interface on the router.
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ROM: System Bootstrap, Version 12.4(15r)XZ2, RELEASE SOFTWARE (fc1)
Cisco 881 (MPC8300) processor (revision 0x100) with 249856K/12288K bytes of memory.
Processor board ID FTX1249Y16Q


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Sep 20, 2012

I enable the IPS  on the 2911 router .  I am using the Basic IPS signatures that are inbulid on the routers . But sill it showing , that no signature is active .
ip ips signature-category
  category all
      retired true 
ip ips signature-category
   category ios_ips basic
      retired false


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Feb 15, 2013

How can we manage ASA in GNS3 through ASDM? And How to install image for IDS in GNS3?

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Cisco :: Force GRE Traffic To/from A Loopback?

Oct 29, 2012

I have a setup with a few sites that have layer three switches behind firewalls. I've been successful in setting up GRE tunnels between all the layer three switches, the GRE traverses IPsec which goes between the firewalls at each site. That way, the GRE is encrypted over the Internet and I don't have to deal with protocol forwarding and stuff. The GRE tunnels are terminated at the loopback addresses of each layer three switch, this works well for the most part, except that I need to put static routes for each loopback address in each switch to point via the firewalls, because when OSPF comes up over the GRE tunnels it starts advertising the loopbacks, and as such the switches think they can get to them over the GRE (which is built from the loopbacks to begin with), as you can see, sort of a catch 22. The static route method works fine, but it makes it so that I can't access the loopback address for monitoring/management purposes from any other sites on the basis that the local core tries to send it directly to the firewall rather than over the GRE tunnel. Is there any way to force only the GRE traffic out via the firewall while letting any other loopback-destined traffic go over the GRE? I'm thinking this could be done with a properly-matching route-map, but I'm not sure where I would apply it, could I apply it directly to the loopback or would the GRE traffic skip that on the way out?

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Feb 24, 2011

I have 2 ASA 5505, with a site-2-site vpn, I need to reach a server on network A on port 7887 from Network B.The 2 boxes are both on a public net and has a private net inside.When initiating a telnet session from a Host on network B, to a ip /24 (which is defined as my remote network in the connection profile)I can see the trafic arriving on the ASA on network A, but the trafic gets rejected with the following.

Built local-host outside:VPN-TEST_172.210.210.5602:     VPN-TEST_172.210.210.56    7887    Teardown TCP connection 398765 for outside:VPN-TEST_x.x.x.x/16698 to outside:VPN-TEST_172.210.210.56/7887 duration 0:00:00 bytes 0 Flow is a loopback03:     Teardown local-host outside:VPN-TEST_172.210.210.56 duration 0:00:00.I'm a newbee with the ASA 5505, and connot figure out why this is a loopback ?

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Jan 28, 2013

I've got some 1941 ciscos set on every branch.We have native L2 between this offices and I want to use external ip addresses on gig 0� interfaces anfdf local ip addresses on lo 0 interfaces, and use lo 0 for vpn connections.
I do:
int gig 0/0
ip add
ip nat outside
I can ping it from local network behind giga 0/1 but i can't ping it fro outside, how can i do this?

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Dec 22, 2011

Factory default settings of my WRT54GS encryption are Disabled. When I try to enable WPA Personal encryption (>Wireless, Wireless Security), it reverts back to Disabled as soon as I make the selection. >Administration, >Wireless, >Encryption Function is Disabled.When I had this router set up at another location with another ISP, this was never an issue. How do I get the encryption function to be enabled?

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D-Link DIR-655 :: Scheduled Enabling Of Wireless Seems To Reboot Router

Mar 1, 2012

A few weeks ago I noticed that at 9:00am sharp every morning my internet access dropped, and would come back up four minutes later.

The router is connected to a DSL-526B in bridge mode. My first thought was that the modem was playing up, so I factory reset it and reconfigured it.

I checked my ACLS and didn't see any rules that started or ended at 9:00 am so I just lived with it for a week or so until it got so annoying I contacted my ISP to see if they were resetting anything at 9am.

By accident, I saw that my wireless radio was being enabled aat 9:00am, as it had been for the last 2 years, when I first bought the router. But this problem has only started a few weeks ago.

So I changed the wireless schedule to see if that was really the cause for the reset, and sure enough, whatever time I changed the wireless schedule to, the router rebooted at that time.

I've also factory reset the router; twice; the first time I saved/restored my configuration, the second time I recreated all configuration from scratch.

why enabling the wireless radio resets the router, and why disabling it doesn't, and how to correct this behaviour?

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Jul 20, 2011

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Cisco Switching/Routing :: How To Set Up NAT Loopback On EPC3925

Dec 10, 2012

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Sep 11, 2012

I have a cisco 2821 and have configured a llopback address which I want to use for management, however, I am unable to ping it from a device attached to GigabitEthernet0/0 

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Feb 24, 2013

I have a Windows 7 64 Bit machine, and I cannot find a way to disable the IPv6 Loopback. I looked at the article at How to disable IP version 6 or its specific components in Windows and shows how to set HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpip6ParametersDisabledComponents to various values – but none of these seems to disable IPv6 Loopback. I attempted setting this value to 0xffffffff and 0x20 – restarting my computer after each change, and I still do not get this disabled.

I am using another software called Webdriver or Selenium that gives errors when debugging if IPv6 Loopback is not disabled. It seems to attempt to connect to [::1]:7055 and fails. Is there a way to force it to connect to

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Nov 25, 2012

I have a new HP lap top which I have connected to the net thro my edimax 7266 routerI also have another lap top and desktop connected via this router. This other lap top I can connect either wired or wireless so the router seems to be working perfectlyThe problem is when I enable the HP laptop wireless adaptor and try to connect to the net . As soon as I do this the orange light on the router goes solid from blinking and I cannot then access the net from any of the computers either wired or wireless. I have to disable the HP wireless adaptor and reboot the router to get a connection on the computers.

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Aug 6, 2012

My router (WRT54GH) doesnt seem to be enabling the wi-fi network. Non of my devices are able to detect the wireless network.

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I have a router asr1002 and I need that my loopback interface will be accessible from internet ISP adderss space I have

interface TenGigabitEthernet0/2/0.301
description -=ISP=-
encapsulation dot1Q 301
ip address 46.xx.x.66

packets transmitted 9received 0packet loss 100 %time 8063 ms

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Cisco WAN :: C7613 / One Loopback As Source To Multiple GRE Tunnel?

May 25, 2013

I wonder if there is no any issue when we are using one loopback interface as source address in case multiple GRE tunnel.However, the destination IP address different per each tunnel, only having same source loopback.
for example),
interface loo0
ip address a.a.a.a
 interface tunnel 10

I saw warning message when I apply 2nd GRE tunnel on C7613, SRD6 IOS. we have a plan to enagle one more GRE tunnel in same.I need to decide to use adding one more loopback IP or just use this with ignoring warning message in terms of configuration easily.

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Apr 3, 2013

Region : UnitedStates
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Hardware Version : V1
Firmware Version : TD-VG3631_V1_130108

Does this modem support NAT Loopback? I can't get it to work.If so, why not, can we have a firmware that supports NAT Loop back?

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how do I telnet to remote devices from nexus 7000 with source interface as loopback 1?

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Mar 8, 2012

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Mar 10, 2013

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Mar 7, 2013

Region : UnitedKingdom
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Hardware Version : not clear
Firmware Version :

I am thinking of buying a TL-WDR3600, but just need to know the answer to the question below.Can anyone confirm if the TL-WDR3600 supports NAT Loopback functionality?

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Jun 5, 2012

I have a Cisco CBS3020-HPQ chassis switch running IOS 12.2.(25r)SEF3.  One of the ports is in "disabled" state but when I try to unshut it, it doesn't work, the switch logs shows the following event:
%PLATFORM_ENV-3-LOOPBACK_PORT_POST_ERR: Gi0/1 can't be brought up because it failed POST in Loopback test
how do I resolve this, the port is unusable since I can not get it out "disabled" state.

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Jul 30, 2012

This is my second post today trying to fix the NAT types for my 2 xbox 360. I tried the port forwarding method but with this router when I enable the ports I lost internet access in my wired devices but my wireless devices still have internet access. I even lost internet access on my computer. I never had manu problems with a router trying to get my NAT type open on my 2 xbox.

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