can somebody explain how HMAC works in IPSec? i know HMAC attaches secret key to HASH. But whats that secret key? and how it is created? and how it passes to another peer (responder)? Why its required in IPSec? ThanksAC
Hi.I have the problem with Anyconnect on 2911.Every time after push button "connect" in the Anyconnect client (Windows, Mac OS or Apple iOS) I have delay 30 sec before prompt login.Please help.Best regards, Artem Evseenkov Debug:Apr 18 18:33:42: %SSL...
Hi,
Need help with Site-to-Site IPsec VTI.
R1 (172.16.1.1) is able to ping R2 (172.16.1.2).
R1 (10.0.1.1) is unable to ping R2 (10.0.2.2).
R4 (10.0.12.4) is unable to ping R5 (10.0.22.5).
R4 (10.0.1.4) is unable to ping R5 (10.0.2.5).
It seems like...
To be clear I have done VTI tunnels suing Loopbacks as tunnel endpoints before and these work fine. What I am trying to do with this configuration is to use Loopback interfaces with private IPs NATed onto public IPs on the same router. There is a ver...
Hello I have a ASA 5515-X in the following configuration ----------------------ext interface---- 10.10.1.1---| ASA 5515-X |-----------172.16.4.1-----int interface----- ...
Hi,
I know that NAT automatically turns on "ip virtual-reassembly".
But I've also seen them on some configurations like:
interface Virtual-Template1 type tunnel
ip unnumbered GigabitEthernet0/1
ip virtual-reassembly
tunnel mode ipsec ipv4
...
I have a few dynamic IPSEC tunnels setup for our mobile offices which connect through various data cards. Here at the main office I have multiple VLANs. 10.10.0.0 LAN, 10.13.0.0 WiFi, 10.9.0.0 AnyConnect clients. One of the mobile offices has an n...
Hello,
I would like to create a site to site vpn with a fqdn crypto on the branch side.
The reason is the in our headquarter the wan IP will soonly change, and i would the branch router to reconnect as soon as they get the new ip.
How could a d...
Hi all, I just wanted to give the community a heads up in regards to the latest February 2015 Microsoft patches.KB3023607 makes some AnyConnect clients give the "Failed to initialize connection subsystem" error. You can fix this here:http://christie...
We have a Cisco ASA 5525 which we use for everything! When inside the office and we attempt to hit an intranet website via the server name (http://server) we have no issues but when connected via VPN and accessing the same server, the web filter will...
We use ASA5520 for VPN remote access and VPN IPs are handed out by a Windows DHCP server. I have noticed that when users connect through the VPN, they get a very long Unique ID. However when they take the same laptop in the office, I see their Ether...
Hi Guys, I used three different client versions to connect to vpn but having no luck, completely exhausted tired and almost about to give up.I used client version 3.1.05****, 3.1.07****, 4.0.******* on Windows 8.1 and getting error messages like belo...
I have inherited an ASA5510.We have configured a site to site VPN between it and a Juniper SRX550. The Site to Site VPN works fine but users behind the ASA can not see the Internet. I'm pretty sure I'm missing something. Any help would be greatly app...
Hi,In relation to the Cisco AnyConnect VPN, please could you confirm this can be configured alongside the traditional VPN client? Also, presumably the firewall will still accept up to 250 VPN connections using the old VPN profile?In terms of AnyConne...
I have installed the Cisco app from Google and everything seems to work but I fail to connect. The installation and configuration following the documentations was a piece of cake but VPN connections "will not be established". The error message --Sys...
