Archive for the ‘IPsec’ Category
April 1st, 2009 by Marjan Bradesko
Do you need an on-demand fully-meshed (any-to-any) topology using IPsec in your network? And you want simplicity in configuration? Among various implementations of the IPsec the Cisco`s Group Encrypted Transport VPN (GET VPN) is the solution in this case.
Boštjan Šuštar, an internetworking expert at NIL Data Communications, in his ...
Posted in IP Corner Technical Articles, IPsec, VPN | No Comments »
February 5th, 2009 by Marjan Bradesko
The legacy technologies such as leased lines or switched networks (Frame relay, ATM) have long been replaced by public Internet or MPLS. To secure the traffic between the Local Area Networks at remote sites an IPsec is an integral part of today`s solutions.
Boštjan Šuštar, the Internetworking Expert at NIL Data ...
Posted in IP Corner Technical Articles, IPsec, VPN | No Comments »
January 27th, 2009 by Ivan Pepelnjak
Recently, on an IPSec-based customer network, NIL installed one of the brand new platforms introduced by Cisco Systems. The initial software release had memory leaks (no problem, we all know these things happen), so we upgraded the box to the latest software. It works perfectly ... until you reload it. ...
Posted in EEM, IPsec, Tcl, Technical | No Comments »
December 22nd, 2008 by Grega Modrijan
As part of NIL’s customer support division, my colleagues and I face customers’ networking problems daily. Trying to solve these problems quickly and efficiently – and get the maximum benefit out of available resources (time, engineers, etc.) – requires us to stay open to new techniques and tools that might ...
Posted in IPsec, Technical | 1 Comment »
December 1st, 2008 by Marjan Bradesko
Site-to-site VPNs using IPsec can be implemented with the crypto maps or, when routed interface is needed, by GRE-tunnels. Virtual Tunnel Interfaces (VTIs) are a relatively late addition to Cisco IOS and eliminates the need for additional GRE overhead, while still providing the logical interface.
Boštjan Šuštar, the Internetworking Expert at ...
Posted in IP Corner Technical Articles, IPsec, VPN | No Comments »
October 1st, 2008 by Marjan Bradesko
Crypto maps - used as one of the oldest Cisco IOS implementation options for IPsec – have a downside - they do not provide for a routable logical interface. When migrating from a traditional WAN or upgrading an existing WAN to use cryptography, it may be beneficial to reuse the ...
Posted in IP Corner Technical Articles, IPsec, VPN | No Comments »
