VPN

Has anyone done any type of VPN failover and/or load balancing using IOS?For example something like a 2 1700 routers, each with 2 T1 cards in them,Each T1 card would be connected to a different ISP, each with its own IP space(no BGP). Either T1 woul...

Hi,I have two VPN concentrator 3015, I want to put them in VRRP.How can I do it (the configuration is simple), but do I need to put a different IP address for the private interface for each vpn concentrator or the same one for all vpn concentrator??,...

Theory has it that a private network connected to the internet should have an outside firewall with a DMZ between that firewall and a secondary firewall. Something like this, a Cisco router connected on the ext interface to the internet, the interna...

Dear All,I would like to encrypt Multicast traffic. I have setup a GRE tunnel and encrypt the gre traffic as shown.Interface FastEthernet 0 ip address 172.16.1.1 255.255.255.0 crypto map map1Interface Tunnel 1 ip address 10.1.1.1 255.255.255.252 tunn...

I have been setting up a VPM tunell using IPSec exactly as described in the Cisco docs with another company we do business with. I'm a Cicso newbie (for the most part), so I've spent a lot of time with the CLI ratherthan using the PDM. After I adde...

hi,I have a pix 520 and I've estabilished a site to site vpn connection with 2 clients.now the problem I'm having is that they both want to add a network to the (interesting traffic) 192.168.1.0I'm simply wondering if this is going to work?in my opin...

Problem:Cisco 2611XM with NM-16AM module can not establish connection with ship sattelitte station Inmarsat Nera Mini-M which has internal modem with speed 2400 bps. What settings can be changed?Background information:Cisco 2611XM with NM-16AM module...

Hello. I have the following problem with a pair of Cisco 831 routers.* Each router is connected to an ADSL modem, with a range of fixed static IPs* Site A (main site) uses dynamic NAT for "normal" internet traffic. There are also several static NAT...

I've just configured and installed a pix501 with IOS 6.3(4) by using the PDM (version 3.0(2)) for a company. The config is attached to this post. Everything is working fine, as long as i dont enable the Easy VPN remote. The subnet from inside the fi...

Hi, I have a problem with Cisco Client VPN connections to my firewall cisco PIX 525. Nowadays, firewall has three connections VPN site to site function correctly, but when I configure the access VPN client, it can establish connection. I use the clie...

Hi All,Is it possible to configure IPSec Router-to-Router Hub and Spoke communications in Cisco 2800 series ISR routers with latest IOS version?Is there any technical documentation for Cisco ISR Hub and Spoke communications?Thanks-Rcp.

I understand that using L2TP with IPSec allows for VPN traffic to travel over non-IP networks, and adds more authentication options over PPP (pls. correct me if I'm wrong)..If the Internet is IP, why would you need to have IPSec tunneled over L2TP? I...

I am trying to figure out why do we need VPN Concentrator for, we have a requirement where we need to create Site-to-Site VPN for our remote locations, it could be a fat and secure pipe and permanent VPN from central location to remote offices.I do h...

Currently we use a pix for vpn connections. We want to implement a vpn concentrator and use the pix purely as a firewall. Im not sure where the vpn concentrator should be placed in the network; either in parallel with the firewall or behind the firew...