Cisco WAN :: Possible To Configure 1721 As DNS Proxy?

Mar 15, 2012

Can Cisco 1721 act as DNS proxy? If yes, how can I configure it?

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Cisco Switching/Routing :: 1721 - How To Configure IP To Cross Two Router

Oct 20, 2011

Long time since I have had to configure a router and have a small project
 
Here is what I have in a simple diagram:
  
PC(static IP)--to--Switch--to--(Ethernet0 int, WIC0)1721 router(FastEthernet0 int, built-in)--to--Switch--to--PC(DHCP)
  
I need static IP PC to be able to ping the DHCP client. Static IP units 10.1.1.x/16, DHCP clients 10.1.3.x/16.
 
I have found these overlap and thus give errors and will even shutdown the interface if I enable certain things like routing or bridging.
 
So I gather I need to change one interface IP range, which would be the DHCP side, I need to stay 10.1.1.x/16 for static side.

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How To Configure Router As Proxy Server

Nov 12, 2012

My ISP provides me internet connection through password protecting Access Point bearing IP address 192.168.20.1 built with IP filtering which allows only a particular IP 192.168.20.88. I am not able to access internet on more than one computers simultaneously because router allows only single IP and I am not sure what are the WAN IP's uses Access Point provided by ISP eg. IP, Gateway and DNS. My ISP provides me static IP address for home computer as mentioned below :

IP : 192.168.20.88
Gateway : 192.19.20.1
DNS: 192.168.20.1
Alt DNS : 192.168.20.1

My public IP address is 180.87.210.26.

Is there any option to add a router to bride or configure router as proxy server so that i can access internet more than one PC's simultaneously.

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Configure Isa Server 2004 Using A Proxy?

Nov 29, 2011

currently we are using a proxy (192.168.45.90) for internet. the internal network ip scheme is 192.168.30.0-254. my problem is that how should i configure the new ISA2004 installation on separate PC with new IP range like 192.168.31.0-254 using that proxy 192.168.45.90.

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Cisco Switching/Routing :: Configure Proxy On ASA 5510?

Jan 11, 2012

Can i configure proxy on ASA 5510? i.e for internet use my user should be authenticate by ASA5510 and after successful authentication user should be allowed to access internet and futher is it possible to do bandwidth managment with ASA5510?

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Configure Safari With Auto-proxy Configuration?

Mar 27, 2013

I configure safari with auto proxy configuration, insert the proxy server name, and click apply.However, if i go to network-tools.com and do a traceroute, the trace does not show the proxy serverin the series of IP address's. I have tried with several different server names but i makes no

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8080 How To Configure Gateway As Proxy Server

May 21, 2013

In my office environment, my machine is configured with an IP address, Subnet Mask and a Default Gateway. The Default Gateway does not allow internet connectivity but is configured to provide us with connectivity to some server based tool.

Now in order to provide us with the internet access, a proxy server is configured via the LAN settings in the IE. The problem here is the Proxy is restricted for some sites that I need like certain technical blogs and all, which it filters out in the blogs category and does not load.

I do have another Gateway server address that I can use in Local Area Connection IPv4 Properties as Default Gateway address which removes this restriction. I thought that this should be configurable to the LAN Settings as a proxy as well. But when I do so, I lose the connection to the internet.

I am not sure if all Gateways can act as proxy servers. Or is there anything that I am doing wrong. I am using the default port 8080 in LAN Settings.I can ask this from the technician but I am not sure if he would be able to answer that as he is just a first level guy. I thought of figuring it out myself.

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Security / Firewalls :: Setup A Proxy Server And Gpo Configure For 150+ Pictures?

Feb 20, 2012

I want to setup a proxy server and also to create a group policy on proxy that will take effect on two ou's of staff and executives (150 plus pcs) on the executives ou I want the gpo to be only be effective when dey re in the office and non effective when they are outside the office and which to use their own personal internet modem.

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Cisco :: Setting Transparent Proxy To A Proxy Running On A Client?

May 28, 2012

I would like to connect devices to my network so that their traffic passes through a proxy running on my computer. I figured the best way to do this is by setting the proxy on my router to the one I am running, but then I would need to have another connection to the computer running the proxy or else there would be an infinite loop ?? something like that. so:

Internet -> router (1) -> my proxy on comp A -> router (2) -> computer B

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Security / Firewalls :: Using Non-proxy Software Through Proxy?

Mar 31, 2012

I access the internet from my company�s LAN, which has a restrictive firewall, so I cannot request the admin to open any ports manually for me. Hence I use a software called your-freedom. This proxy software supports both http as well as socks 4 and 5 proxy (by entering the proxy IP 127.0.0.1 (localhost) and Port 8080 for http proxy OR 1080 for Socks Proxy), and I have successfully been using web browsers and some other softwares that support proxy/ allow proxy info to be entered to login/ connect to the internet. Your-Freedom also supports port forwarding.However, the softwares I intend to use do not have any options to enter proxy methods or proxy ports (as far as I have noticed). I have tried to proxify these 2 softwares using softwares such as SocksCap and Free Cap, but either they don�t work, or my settings in proxifying are not correct. I believe I will have to do port forwarding or proxify the softwares, but have been unable to do so in the correct manner.

Following is the info on the 2 softwares:

1.NOW Trading terminal:[FONT=Times New Roman]Normally when I start the NOW or Zerodha software, the software starts and I get a login screen, but under firewall conditions, I get the initial Splash screen but then the software stops with the error: [b][u]NOW Initialisation failed for Interactive Engine << os error>>.

2.PowerIndia Bulls:The software is written in Java and starts with a batch file (PowerIndiabulls.bat) located in C:UsersDEFAULT_USERNAMEAppD..... I converted this batch file to .exe (with battoexe software) and then ran it through a proxifying software. The .exe start properly without proxifying software but not under proxifying environment. Basically the software needs to connect to the internet using Port 443. I am also expected to keep ports 443, 41599 and 59598 open. software's requirement is available at Indiabulls Securities: Indiabulls Securities is a leading capital market company offering securities broking and advisory services, depository services, equity research services to its clients in India. (item no. 5).To confirm, while the software is unable to connect through port 443, you will get an error message: "Connection to Login Server could not be established" when you try to login with any random Username and Password.To know that the software is able to connect properly, you will get an error: "This User ID is not enabled to be used with this product".

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Cisco :: IP Proxy-arp Vs Ip Local-proxy Arp

Jan 8, 2013

Anyone know the differnce between these two on a MLS? Seems that proxy arp as I know it works with or without the 'local' version.

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Cisco VPN :: Configuring In 1721 Router?

Nov 19, 2012

configuring VPN in my cisco 1721 router to connect in vpn client
 
I have the public IPs.

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Cisco Firewall :: How To Setup 1721 For VPN

Aug 23, 2012

I have a 1721 router in my home & I want to setup it for firewall/ vpn. Is it recommended to purchase a WIC-1ADSL? What module is recommended for VPN?  Is it possible to setup VPN using DSL / Dynamic Ip connection ?I want to explore on Cisco security & I get this advice from a supplier.

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Cisco WAN :: 1721 Can't Access Internet?

May 13, 2012

I can access the LAN environment 10.1.1.X from 20.1.1.X but cannot get out the gateway to the internet? The linksys gatway model is a WRV54G.

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Cisco : 1721 / 2610 - Old T1 Wic Is Not Interacting To V2

Sep 18, 2011

I've got three Cisco 1721's and a 2610, two of the 1721's are 32f's, the other one is a bit older but is still the same model. The two Cisco 1721 32f's have 1-dsu-t1-v2 wics in them, and the older 1721 has a 1-dsu-t1 wic in it. Now no matter how i have configured it the old t1 wic will not talk to the v2 wic. I've tried putting the old wic into a 1721 32f and it doesn't work at all!

What i have working:

router DCE (1721 32f with v2 wic) can talk to router DTE (1721 32f with v2 wic) no problem with this configuration.

Router DCE:

-service-module t1 clock source internal
-service-module t1 data-coding normal

[ code].....

Router DTE:

-service-module t1 clock source line
-service-module t1 data-coding normal

[ code]....

Router OLD (1721 with v2 wic) can talk to router DTE (1721 32f with v2 wic) no problem with same config. What doesn't work: Any router with 1-dsu-t1 (old) wic to router DTE (1721 32f with v2 wic). again same configuration as before, so whats going on that i cant get this to work? Is the old t1 wic not compatible with the new t1 wic?

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Cisco WAN :: 1721 / ASA 5520 - VPN Configuration

Oct 9, 2012

I am having a problem configuring a VPN connection from a 1721 router to an ASA5520. The router has already been configured, but I have been asked to setup the VPN.I think the issue is because they are using a Loop back interface (which I have never configured for before).
 
The "sh crypto isakmp sa" command shows: 
dst                      src                         state                 conn-id   status
5.6.7.8                1.2.3.4                    QM_IDLE                   4   ACTIVE
 
where 5.6.7.8 is the ip on Loopback0, 1.2.3.4 is remote peer ip. Pings to the remote network don't work.
 
Here is the (slightly edited) config of the 1721 :
Current configuration : 3838 bytes!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
[code]......

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Cisco WAN :: Apply QoS LLQ To 1721 ADSL Interface

Apr 17, 2007

I can not apply the LLQ to ADSL ATM interface. the system take the command with out any error message, but no in the show running config. Any Cisco link can explain this? [code]

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Cisco WAN :: Direct Connect A 1721 And 1760

Feb 10, 2012

I just purchased one of each of the above, both with 1ea WIC 1DSU-T1, and would like to connect them directly to each other in a lab scenario.  Do I need to have an RJ48 cable or will an RJ45 work?  I have them connected now, but they are not seeing each other. They are connected via S0 on the 1721 and S1/0 on the 1760.

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Cisco WAN :: OSPF Not Working In 1721 Router?

Apr 24, 2012

I am going to configure ospf on cisco 1721 router but when I give command

conf t
router ospf 116
it does not show (config-router)
 
I am attaching sh run and sh version herewith attachment

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Cisco WAN :: 1721 / Maximum Router CEF Capacity?

May 8, 2012

I have a 1721 router with 3 equal routes to 0.0.0.0, using CEF for load balancing with universal load balancing algorithm. It doesn`t NAT, just routing. I wonder which is the maximum capacity of the router, since it should support up to 40000 connections to different destination IP. Is the limit set by the router resources (CPU, memory, ...) or a maximum limit of entries in the table FIB / RIB?

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Cisco :: Setup A VLAN Interface On A 1721 Router?

Mar 3, 2011

Trying to work out if I can setup a VLAN interface on a 1721 router.The only interfaces that are listed are the Ethernet (W1-ENET) and the Fast Ethernet interface.I'm still super new to all of this and learn how to change IOS via rommon and TFTP after realizing I had an IOS too large for the memory?

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Cisco WAN :: Connecting A 1721 Router To A Larcom Unit?

Apr 20, 2011

Monday, I had a cisco 1750 router in place suddenly stop communicating to a Larscom ISP owned unit.  Since then I have sent two replacement 1721 routers with WIC-1ENET cards.  I have used the original straight thru cable to connect the 10baset port on the Larscom to my E0 on the WIC-1ENET.  No link lights on either.  I have also tried a known working straight thru cable and a crossover cable.  No link lights.
 
I can take a crossover cable from a pc and ping the E0 port without issue.  The ISP is telling me it is an issue with my equipment.

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Cisco VPN :: Configuring Multiple VPN Tunnels On 1721 Router

Jan 10, 2012

I am in the process of configuring two vpn tunnels on one interface of cisco router series 1721. Any link or document with more information?

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Cisco WAN :: 1721 Router Suddenly Get Reboot With 1 Or 2 Hours Gap?

Jul 13, 2011

I have the Cisco series “Cisco 1700” routers operational at my client site, These router suddenly get reboot with 1 or 2 hrs gap. See the below errors which has been captured in router logs:

============================================================
00:00:09: %SYS-5-CONFIG_I: Configured from memory by console
00:00:11: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-Y-M), Version 12.2(16.1)T,  MAINTENANCE INTERIM S
OFTWARE
TAC Support: [URL]

[code]....

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Cisco Switching/Routing :: 1721 - Vlan1 Cannot Go To Internet

May 12, 2013

router 1721 with one wic-1adsl ,i have adsl conection with irb static ip. the router connect with mannaged switch through a trunk port. the switch has 2 vlans one for the static IPs and the other for private lan. i need the private lan to be able to go to internet. vlan2 can go to internet because it has the same subnet with provider but vlan 1 canot go internet, so how i can make all vlans go internet(the router has only 1 fastethernet port)

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Cisco WAN :: Can't Connect To Server 1721 As PPTP Client

Sep 26, 2012

I tried to configure a 1721 router, but he can't connect in my server. I follow various how-to in the Internet.

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Cisco Switching/Routing :: 1721 / No Connection To LAN Port

Dec 12, 2011

I have a 1721 router installed with both an adsl wic and a 4 port switch wic card. My setup is as follows:
 
pc connected to port 3 (mode access on vlan 20) on the 4 port switch wic  (installed in 1721 router)port 4 is configured as trunk (encap dot1q) and connected to fasethernet 0 (inbuild of 1721)fastethernet 0 configured with no ip address?
 
created sub-interface fastethernet 0.20 with encapsulation dot1q on vlan 20?ip address of sub interface 0.20 is 192.168.20.240?pc nic ip address is 192.168.20.245 however cannot ping 20.240?I want to use only this router with its switch wic for vlans and internet?

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Cisco VPN :: Setup A 1721 Router As Vpn Server Connecting To It

Aug 22, 2011

I managed to setup a 1721 router as a vpn server connecting to it using a cisco vpn client however altough I am obtaining an ip address as defined in the dhcp pool I am unable to communicate with both the remote network and also I have no internet as soon as I connect.

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Cisco VPN :: Setup Tunnel On 1721 Router To Juniper Srx 240?

Mar 27, 2011

Is it possible to set up a vpn tunnel on a 1721 router that uses the following ios:
 
c1700-y7-mz.124-13b.bin
  
I thought I had read somewhere that tunnels were not supported on the 1700s but wanted to make sure. If they are I would like to know if they are supported in the above ios.

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Cisco WAN :: Configuring 1721 For Transparent Bridge Mode?

Jan 1, 2013

I'm supposed to configure this 1721 for bridged mode, taking a Level 3 T1 into the serial 0 side and passing it out the f/e 0 side.  So, basically that's a T1 to ethernet conversion.  I guess this customer is buying a T1 from us but they have to use a different make/model router due to the large hospital requiring that of doctors offices.Encapsulation from Level 3 is ppp static ip address, no password or anything like that. 

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Cisco WAN :: 1721 Router With Ethernet Interface Card

Feb 25, 2011

I have cisco 1721 router so I installed an ethernet interface card so when I make show run I found that there is a fast ethernet 0 and ethernet 0 (which I installed) so i wand to make subinfaces of the etheernet 0 but I can't. I tried to make encapsulation dot.1q but it doesn't accept it.
 
Is Ethernet0 supported to generate subinterfaces?

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Cisco WAN :: Linux Not Passing Traffic Through 1721 / 1841?

Jan 6, 2011

I run a network that uses MPLS circuits to connect all of the companies different stores.  Internet access is through a Cisco ASA5500 here at the corp headquarters.
 
To make all of this work, we use a little 1721 gateway router to move traffic as needed.   All the clients in our corporate office use 10.10.99.1 (Cisco 1721) as a gateway.  The 1721 routes the traffic either to the internet (10.10.99.106 Cisco ASA5500) or the MPLS router (159.61.54.30).
 
For some reason, anything that runs on Linux (Ubuntu server, ReadyNAS boxes, Thecus NAS) will not pass traffic beyond the 1721 gateway router.
 
I've poured over the config for that router, and I can't find anything that could be causing this not to work.  Thinking that the 1721 was bad, I put an 1841 online in it's place, and it did the same thing.   I'm a noob when it comes to Cisco configs, but am learning as I go along.
 
Ive attached a txt file of the 1721 config.

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Cisco Switching/Routing :: 1721 WIC-4ESW Cannot Get BVI To Work

Mar 11, 2012

I started to set up a 1721 router with WIC-4ESW. This is on an internal network, so only looking to just do routing from FA/0's interface to the networks attached to ports on the WIC. I first assigned just VLANs to 2 of the ports and this did not work. So I did some reading up and decided to use bridge groups. Except I still can not access the interfaces on the WIC. And by that I mean on the router itself I can not ping the ip assigned to the BVI.
 
I have another 1721 w/4 port that long ago I seem to remember simply assigning VLANs to the interfaces and I was able to communicate between the networks without issue (or maybe I just don't rememer that well). Thing is I should be able to at least ping the internal interfaces shouldn't I (assuming the status is up). I don't know why BVI2 and 3 are listed as down, nor do I seem to know how to bring these up.
 
This is what ip int br gives me:
1721#sh ip int br
Interface                  IP-Address      OK? Method Status                Protocol
BVI2                       192.168.101.1   YES manual down                  down
[Code]....

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