Cisco WAN :: How To Configure Loopback On 1941

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 192.168.181.14 255.255.255.0
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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Cisco VPN :: How To Configure SSL VPN On 1941 Router

Mar 22, 2011

How do i configure SSL VPN on a Cisco 1941 router? I would very much want a howto guide that does step by step. I have not found one my self so far.

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Cisco VPN :: To Configure 1941 K9 As EasyVPN Server

Jul 11, 2012

I have been trying to configure Cisco1941/K9 as Easy VPN Server through CiscoCP.The tunnel comes up but I cannot pass any traffic to the secure LAN (GigEth 0/1). When the tunnel comes up, I can ping the Loopback interface and the GigEth 0/1 interface IPs.

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Cisco WAN :: How To Configure ADSL2+ Connection With 1941

Jan 24, 2013

cofigure a ADSL2+ Conexion in an 1941 router.line protocol are up but didn't have ip adresse in my interface.[code] i don't know how i can find the probleme, and debug's comandes no show me anything.

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Dec 18, 2010

how to configure the Cisco 1941 router for PPPOE with dynamic IP

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Cisco Switching/Routing :: 1941 Router GE0/1 Port Burnt And Need To Configure

Aug 29, 2012

I Have a Cisco 1941 router which had its GE0/1 port burnt out and we have since plugged in a module with 4 fast ethernet ports. I need to reconfigure the router such that at least one of the Fast ethernet ports can server the purpose of the GE0/1. GE0/0 connects to our Service provider and GE0/1 connected to the inside network.Currently, while connected to one of the ethernet ports, i can telnet into the router on the address 192.168.29.1. when i'm on the router, i can ping our remote site, network address 192.168.24.0 with no problem, but when i use the command "Ping 192.168.24.0 source 192.168.29.1" there is no response.

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Cisco Switching/Routing :: Configure 1941 With Routed Subnet From ISP To Forward To Server

Feb 13, 2013

I have some questions about how to configure my Cisco 1941 with a routed subnet from my ISP to forward them to 1 or more servers in my LAN.1 Routed subnet /29 from my ISP (over a fiber connection).In my LAN I have (at the moment) 3 servers, and about 15 clients.I would like to use the first ip address from the routed subnet for internet traffic from all the clients in the LAN.I would like to use the second  ip address from the routed subnet for server1 so that server1 accept some allowed connections and that server1 connects to the internet with the second ip address from the routed subnet
 
I would like to use the thirth ip address from the routed subnet for server2 so that server2 accept some allowed connections and that server2  connects to the internet with the thirth ip address from the routed  subnet.I would like to use the fourth  ip address from the routed subnet for server3 so that server3 accept some allowed connections and that server3  connects to the internet with the fourth ip address from the routed  subnet.[code]

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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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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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Cisco VPN :: Flow Is A Loopback ASA 5505

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

Dec 10, 2012

I would like to be able to use NAT loopback on a Cisco EPC3925 so that I can refer from my iPad to the webserver that is located on my iMac on the same LAN by using the external site name. Is that possible and if so, how can I configure the router?

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Cisco WAN :: 2821 - Pinging Loopback Address

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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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.
 
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COOP-Rappahanock#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
COOP-Rappahanock(config)#controller ?
% Unrecognized command
COOP-Rappahanock(config)#controller
 
That we seem to run out of options...
 
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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.

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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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Apr 16, 2013

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

46.xx.x.64 255.255.255.192 
interface TenGigabitEthernet0/2/0.301
description -=ISP=-
encapsulation dot1Q 301
ip address 46.xx.x.66 255.255.255.248

[code]...
 
packets transmitted 9received 0packet loss 100 %time 8063 ms

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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 255.255.255.0
!
 interface tunnel 10

[code].....
 
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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Linksys Wireless Router :: Set Up Loopback On A EA3500

Feb 25, 2013

In my home network, I have a Synology. It has 10.0.123.123 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 10.0.123.123 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 10.0.123.123 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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Disable IPv6 Loopback On Windows 7 64Bit?

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 127.0.0.1.

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Mar 29, 2011

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

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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 1.1.27.144730.

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TP-Link ADSL2+ Wireless :: TD-VG3631 Does Modem Support NAT Loopback

Apr 3, 2013

Region : UnitedStates
Model : TD-VG3631
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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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
 
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Mar 10, 2013

When can we have an upgrade to include 'Lookback' function for Virtual Server ? I understand both Build-120802 and Build-120926 does not support this Loopback feature. Without the loopback feature, we won't be able to test out Dynamic DNS URL is working or otherwise on local PC.

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TP-Link Dual-Band Wireless :: TL-WDR3600 - NAT Loopback Confirmation Required?

Mar 7, 2013

Region : UnitedKingdom
Model : TL-WDR4300
Hardware Version : not clear
Firmware Version :
ISP : BT

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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Sep 26, 2012

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Release Interface Loopback Pseudo - Interface 1 / System Do Not Find File

Oct 31, 2011

I share a modem and router with my building, and connect to the internet using an ethernet cable which plus right into the wall in my apartment. When I hover over the network/internet icon it tells me that I have a local connection only and can't get online. No changes were made to my computer between it working and not working - I have not installed any new software and the modem+router have not been changed.

When I try ipconfig/release is says it can't perform the operation while the media is disconnected. It also tells me that "an error occurred while releasing interface Loopback Pseudo-Interface 1: The system cannot find the fie specified".

[code]...

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Cisco VPN :: How To NAT After Connecting 1941

Feb 22, 2012

I have a Cisco 1941 which has several Cisco VPN clients connecting to it which all works fine. The details of the LAN and VPN clients are as below:
 
Cisco 1941 LAN : 172.16.1.0 255.255.255.0
VPN Clients : 192.168.5.0 255.255.255.0
 
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Feb 18, 2011

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Sep 5, 2012

I have a problem with my routers (cisco 1941)I'm running a DMVPN network (Hub and spoke)All the hubs are connected to the 2 hubs. With 4 tunnels. (each hub has 2 interfaces to the spokes. the spokes only have one interface to the hubs, so I splitted them and so I now have 4 dmvpn tunnels). one of the interfaces on a hub malfuntioned and because of that the customers had problems with logging in and sending packets. I made this kind of structure because of when one of the tunnels failed the spoke could use the 3 others... BUT, what happened here was that the spoke still tried to use all 4 of the tunnels and because of that I had 25% package loss!So this didn't work. Now I read about IP SLA, but I was wondering of this could work? (I cannot test it on spare routers, and I don't want to implement it and risking a total network failure...) and how to configure it. Should I make 4 different sla processes which I should all 4 track? And when I make the ip routes, how should I make or configure it so that 1 of the tunnels/interfaces fails that the spoke would addapt the routes?

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Cisco WAN :: 1941 - Routing Between 3G Interfaces?

Apr 11, 2012

I'm trying to get two Cisco 1941 routers with HWIC-1T and HWIC-3G-HSPA interfaces to use the 3G interfaces if the frame is down (as it is right now).In the lab, I was not able to get these to use the 3G interfaces as a backup (i.e. backup interface cell 0/1/0) and I've not been able to workout the correct incantation for static routing either.
 
kununurra#show ip int br d1
Interface                  IP-Address      OK? Method Status                Protocol
Dialer1                    172.31.2.94     YES IPCP   up                    up

[Code]....

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Cisco WAN :: 1941 W Wireless Not Working

Mar 20, 2011

I have been breaking my head over a problem with my new 1941W ISR since about two weeks now.When I restart the router, the service-module wlan-ap0 is not working.After a restart of the router, when I ask a service-module wlan-ap2 status, I get:Service Module is Cisco wlan-ap0Service Module supports session via TTY line 67Service Module is waiting for registration messageService Module reset on error is disabledService Module heartbeat-reset is enabledService Module is in fail openService Module status is not available
 
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