Cisco VPN :: Create A VPN Between 2 Host With 2811 And NAT?

Jan 12, 2012

I want to create a VPN between two PC's, (the server "Data" and "Remote Desktop" check the topology below), the Router Clabeck (cisco 2811 ) is connected to the internet through int f0/0 using a PPPoE connection and connects all the LAN PC's by PAT to the internet (you can see all the configurations in the Show Run below), the "Remote Desktop" is any PC with internet connection. 
F0/1                         F0/0
DATA--------------------SW-------------------ROUTER(Cisco 2811)---------------------INTERNET---------------REMOTE DESKTOP                                                                       
Current configuration : 2116 bytes
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec


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How To Create A Domain Host Controller For Xp

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Jan 6, 2013

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How Many Bits Must Be Reallocated From Host ID To Network To Create 16 Subnets

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How many bits must be reallocated from host ID to network ID to create 16 subnets?( i did read the discussion on another page and still no clue). For the Class C network address , which of the following subnet masks provides 32 subnets? How many host bits are necessary to assign addresses to 62 hosts ??

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Cisco WAN :: 2811 What Is Simplest Way To Create Backup WAN Connection

Dec 20, 2010

what is the simplest way to create backup WAN connection?I have setup 2 WAN connection(2 ISP, 1 is DIA w/ fix ip, 2 is 3G), but if I enable both interface ,then I unplug WAN 1. no traffic goes to WAN 2.I have already have 3G connection enable all the time (w/ command "dialer persistent") Cisco 2811+ Cisco-HWIC-3G,

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Cisco Switching/Routing :: Cannot Create Vlan On 2811

Dec 13, 2012

This is a 2811 rotuer running Cisco IOS Software, 2800 Software (C2800NM-SPSERVICESK9-M), Version 12.4(24)T3, RELEASE SOFTWARE (fc2) Not sure why this isn't working. Can see it expects to parse the command. Can see this device is vtp server. Can see other vlans were defined here.
Router(config)#vlan ?
  accounting  VLAN accounting configuration
  ifdescr     VLAN subinterface ifDescr
 Router(config)#vlan 35
% Invalid input detected at '^' marker.


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Cisco Firewall :: Create Static PAT To Allow Host Address To Access Network Through ASA5510

Aug 23, 2012

The old syntax that I am much more familiar with has been deprecated.  On older IOS it would have been something like static (inside,outside) tcp 14033 1433 netmask  Plus an extended ACL to allow the traffic.I am trying to create a Static PAT to allow a host address to access our Network through an ASA.  I have external address that I want to hit the external interface on an obscure port (say 14033) and translate that traffic to an internal host address on  port 1433.

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Cisco VPN :: Create Peer From Remote Router To Both ASR 1002 / 2811

Mar 14, 2011

I have an ASR 1002.   Behind that and across another small MAN network (considered inside) I have an ASA.  On the remote end, I have a simple 2811.
I need to create a vpn peer from the remote router to both the ASR (to hand off traffic there) and also a peer at the ASA (to encrypto across the MAN). The ASR1002 has the serial connection (DS3) to our MPLS cloud in which the remote is on the opposite side of. 
So basically, I've created a single isakmp policy with two crypto map's by the same name but set to different peers and placed on the remote router then applied it to the serial interface. This works fine. Now i throw in the ASA which is behind the ASR.   However, the connection still comes through that ASR to get to the ASA.After setting it up, it works as long as I don't have the crypto map applied to the ASR. If i apply the crypto map to the so interface of the ASR, my asa vpn connection stops working.It almost seems as if the crypto map on the ASR is grabbing my enrypted traffic destined for and trying to do something with it. [code]
Why can't i peer from my remote router to both the ASA and the ASR on the opposite end of the serial link?

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Cisco VPN :: Pix 515e - Remote Host Cannot Ping Any LAN Host

Jun 27, 2011

I have a host that can successfully connect to a PIX 515E (7.x OS) via VPN Client; however, I have no IP routing to the LAN from the remote host.The VPN IP pool works finem,The LAN default gateway is the inside interface on the PIX; the network is flat L2 behind it.The default route on the PIX points out; no other routes are defined,The VPN remote host can be pinged from LAN hosts, but the VPN remote host cannot ping any LAN host, not even the PIX inside interface.

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Cisco VPN :: ASA 5510 Ping / Communication Host To Host

May 7, 2012

ASA 5510
Ver 8.2(5)
I have been looking all over the place for the answer of how to allow clients on an IPSEC VPN to ping from host to host.

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Can Pure IPv6 Host Ping A IPv4 Host?

Feb 10, 2011

I'm just wondering if its possible to ping an IPv4 host using the IPv6 host assuming that the NAT64 has already been implemented?

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Cisco :: ACL To Block One Host From Another?

Oct 31, 2012

I am learning to write ACL's along with a billion other Cisco things. The internet is not clear on how to do this exactly. At least in my research.

I have two host on the same subnet and I want to block all except RDP TCP port 3389 from one host to another.

I want to apply that Access-group to a switchport interface on my 3750 that belongs to the computer I want to protect from the other.

Host A: -- I need to block all TCP and UDP traffic except for port 3389tcp

Host B: -- I need to allow only TCP port 3389 from Host A to this one.

This is on the same switch so I can use an extended ACL like 101 or whatever.

This is almost starting to make sense to me but im still weak on extended ACL. I got basics down pretty well.

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Cisco WAN :: 871 Can't Ping From Host

Jun 30, 2012

I'm going through the CCNA training and I'm setting up my DHCP server on my 871 router. I have my cable modem into the WAN port on my router and have 1 host plugged directly into Fastethernet 1. I can ping any IP I want from the IOS prompt but I only have local access from the host. [code]

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Cisco :: Can't Ping From Outside To The (online Host) PC

Aug 26, 2012

I tried to ping from the "online host" PC to the outside,it succeeded. However, I can't ping from outside to the "online host" PC.

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Cisco :: How To Locate APIPA Host

Jan 25, 2013

I'm receiving a lot of logs on my FW about host cannot receive correct IP address and get APIPA addresses (169.254.x.x).

Is there a way to locate them on network? From my core switch i cannot see them

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Cisco :: Can't Ping From ASA To Host In GNS3

Apr 24, 2012

I test all devices using ping command, from ASA to router was fine (on both interface) but not to Host , and host to router was fine, but only on directly interface(F1/0), and to ASA was not success. am i miss something in my configuration?

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Cisco :: Can't Ping From Inside To Outside Host?

Jul 6, 2011

configure my Cisco ASA5510 (asa version 8.3.1) so that one of the host (e.g. behind management interface can ping to the other host (e.g. behind OUTSIDEinterface. I tried modifying the ACLs, NATs and ICMP statement, but still failed[CODE]

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Cisco Firewall :: Two Host With Same Nat On ASA 5505

Mar 22, 2011

I have 2 web servers that replicate between them (two different internal ip). My idea is that if one of them will not work, the other to do the relay.I have a Cisco ASA 5505 I can do a nat for each machine. How should I set ?

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Cisco :: 5508 - Host Name Resolution In WLC Or WCS

Jun 4, 2013

With my current setup on the 5508 controller, I don't have the ability to see any name resolution for wireless clients.  I'm wondering if there is some way that I can enable this. 
The reason I think this should be pretty easy is because if I enable the access point feature of a smart phone (Android or iPhone), when a client connects, it shows the client name on the smartphone.  What's different about how a smartphone sees the wireless client and how WLC/WCS sees it?

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Cisco Firewall :: 5505 - Host In DMZ Cannot Get Outside

May 13, 2012

Based on the configuration pasted below, we believe the host ( / GW: with external DNS servers configured) should have access to the web. However, it cannot resolve any names nor can it connect outside.


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Cisco VPN :: ASA5520 VPN Host-to-LAN Implementation

Apr 4, 2011

I would like to have implementation of two ASA 5520 (in failover). Architecture Context

-The  ASA are used as VPN concentrator only.In a first time ASA will be in  charge to take in charge VPN IPSec Host-to-LAN connexion (with the IPSec  VPN client) and I think VPN SSL anyconnect client will be setup in a  near futur.
-We must define two categories of users (student and researcher), for each one we want define :
  + An IP address pool
  + ACL
  + Split Tunneling (only LAN traffic will go in the VPN tunnel)
-The ASA will perform authentification via RADIUS server (the radius server is linked with a LDAP server)
  + In the RADIUS server we want define the category of user (each one user is a student or a researcher)
-The VPN clients use the internal DNS to request LAN ressources.
-A timeout of the VPN if no traffic during 60 minutes
-The VPN user perform authentification with PSK (no certificate)
the RADIUS server software is IETF compatible (url...)The architecture is the following :

-One internet connexion
-A corporate firewall with 3 DMZ :
+ 1 DMZ Public ; which is connected the ASA "outside" interface (encrypted traffic)
+ 1 DMZ Private ; which is connected the ASA "inside" interface (uncrypted traffic)
+ 1 DMZ LAN ; there is some VLANs routed by 6500 routers.
-On the LAN there is the radius servers
-On the corporate firewall :
+The https and ipsec will be opened between the internet and the ASA
+The RADIUS traffic between ASA and the radius servers and the traffic between the pool VPN users and the LAN.
-What is the best solution to configure the ASA?

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What Is Diskless Host

Jul 6, 2011

Ive been going over some exam questions and i got a question regarding diskless host. i have dont some googling but cannot find a overview explanation.

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Net And Host ID Of Any Given Ip Address

Jan 16, 2012

I am trying to find a way to find the netid and hostid of any given ip address, given any ip address, I know the left side the IP address is the netid and the right side of the ip address is the host id but I am pretty sure there is more to it than that.

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Could Not Connect To Host?

Mar 24, 2011

What are the most common cause for a "could not connect to host" problem?The firewall is not blocking anything, and even with the firewall disabled, the problem still occurs. With "Server" service turned on, the problem still happens.Windows xplso the server couldn't find any trace of a connection attempt, so my attempts to connect never actually made it to the server.

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Host Website Anywhere Using VPN

Nov 2, 2012

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Cisco :: Licensed Host Limit Of 10 Exceeded?

Sep 28, 2011

I thought that in the past I had problems with my ASA5505 because I had to reboot a number of times, now that I have logging enabled I can see the following: -Deny traffic for protocol 17 src inside, licensed host limit of 10 exceeded.Does this mean that I can not have any more than 10 inside host going out of the outside interface at any time, if not what this means and how I can solve it.

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Cisco :: ACL - Allowing Only One Host To Connect To Internet?

Jul 15, 2012

I've got an 1841 router acting as the firewall for a LAN. It also does NAT and acts as the dialer for a PPPoE DSL line to the internet.

All is working fine, except now I need to allow a Tivo device to connect to certain ports on the Tivo servers on the internet. I want only the Tivo to be able to do this. The problem is that NAT is happening before my outbound ACL is checked, so even though I've got rules to allow the Tivo's LAN address out on all ports, it never works. I've verified this using a syslog server, and can see my external DSL IP trying to connect to the Tivo servers and being denied.

I've done things like this at work by NATting the appropriate internal host to its own external static IP address, which allows me to write rules allowing only that external address to do stuff. But I don't have multiple external addresses to work with here.

I tried applying my outbound ACL to the LAN interface of the router in the "in" direction (and removing the same ACL from the Dialer interface in the "out" direction), but that broke other things like the router's own ability to ping out to the LAN or to see a TFTP server on the LAN. I could maybe fix all of that with rule changes and inspect statements on traffic going out toward the LAN (not sure of this, think so), but I'm wondering:

Is there a better way to let just the Tivo makes outgoing connections to certain ports?

Config pasted below:

! Last configuration change at 17:15:10 CDT Sun Jul 15 2012
! NVRAM config last updated at 16:27:14 CDT Sun Jul 15 2012 by someguy


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Cisco :: ARP Cache Contents When Pinging An Outside Host?

Apr 22, 2013

If we have the following setup:Host A (IP :, Prefix/length : 24, GW : connected to the Router A on int Fa0/1 (IP :, Router A is connected to Router B, Host B (IP :, Prefix/length : 24, GW :,connected to Router B on int Fa0/1 (IP : the mentioned setup, after Host A pings Host B successfully, which entry will be in the ARP cache of Host A to support the transmission ?.

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Cisco :: Connection Refused By Remote Host?

Oct 26, 2011

i have to get a 2811 acting as a terminal server?

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Cisco :: Allow One Host To Access One Public IP With Port 500

Mar 4, 2012

I got one request from one of the user to allow his ip to access one public using port www, this needs to be allowed in Cisco PIX, if the below command is correct for this.

Source host :
Destination IP :
Port : www

access-list acl_outbound permit tcp host host eq www

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Cisco :: Packet Didn't Received By Host

May 12, 2011

Problem Host A unable to reach Host B, trace route from Host A it reach to Router B but the packet unable reach to the Host B here the 1st level troubleshoot I did

1. Traceroute and ping success from router A to host B

2. Ping success from router B to host B success

I wonder the packet reach to router B but it didnt pass to Host B.

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Cisco WAN :: 1841 NAT - Router Cannot Host On Internet

Mar 13, 2011

I have an issue with NAT on a Cisco 1841. See following configuration,
interface FastEthernet0/0 description Connection to LAN bandwidth 100000 ip address ip helper-address ip helper-address ip load-sharing per-packet ip nbar protocol-discovery ip nat inside ip virtual-reassembly duplex auto speed auto
interface Dialer1 description ADSL connection bandwidth 448 ip address X.X.X.X ip access-group 150 in ip nat outside ip inspect firewall out ip virtual-reassembly encapsulation ppp dialer pool 1 dialer-group 1 no cdp enable ppp authentication chap pap callin ppp chap hostname hostname ppp chap password password ppp pap sent-username hostname password password crypto map vpn
ip nat inside source list 102 interface Dialer1 overload(code )
I've tried this with both a source list NAT statement, and a route-map. The router can contact hosts on the Internet:
Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 144/147/148 ms

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Jan 24, 2012

While running the install wizard of soft appliance LMS 4.1 it asks for hostname and also the domain during the install. Is the hostname suppose to be fully qualified domain name exp: or just hostname without fqdn exp: foo? Reason why I ask is when I ran the following command below in the shell it doesn't look like it is setup correctly. Also if I did the install without my hostname in dns first will this mess up my install?

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