DAI is preformed to mitigate "man in the middle attack" mainly. This feature on switch makes sure that ARP request is coming from the same ip address and same mac address on particular port according ...

It is a process for authenticating, authorizing and accounting user dynamically, who is joining the network with wired connection its is done with the AAA server setup using 802.1X protocol for end d...

command to check route table on windows is "route print" command for linux is "sudo route -n"

In our topology R1 and R3 are VPN peers, having PC1 and PC2 as end client which are going to communicate with each other using secure tunnel and R2 is the router, routing only public IP address.   ...

Cisco router's and switch's interfaces have the capability to work at full duplex as well as half duplex. By default interface works on auto negotiation mode, which negotiate duplex and speed...

MSS is a OSI Layer-4 data size (in bytes) any segment can carry which doesn't include transport layer's headers where as MTU is a OSI Layer-3 IP packet size (in bytes) which can be transmitt...

TCP MD5 signature: This MD5 signature is a MD5 hash function of following values. 1. TCP Pseudo-header (which consist of some properties from tcp header and ipv4-header) 2. TCP  header (excluding op...

    ASA(config)#domain-name cisco with this command we define domain-name to be used when generating crypto keys. ASA(config)#crypto key generate rsa label cisco modulus 1024 with this command ...

Site to site on Router using pre-share keys with IKE Version-1   Topology used is following: Commands with explanation: On Router of SITE-A: First thing we do is make IPsec phase-1 configurati...

Time Based Access Control List: Time based ACL are just like normal Extended ACL but in this we define time-range which defines duration for which ACL is going to work. To configure these ACL we need ...