Useful tips for everyday
What is destination address in Ethernet? The destination address field contains either the 48-bit Ethernet address that corresponds to the address of the interface in…
Is an Authentication Protocol which is used by the PPP to authenticate passwords? PAP PAP is a password Authentication Protocol used by PPP links to…
How do I know if my MAC address has been changed? You can go to the command prompt and type in IPCONFIG /ALL to check…
Can VPN block ports? Block ports used by VPN Below are some ports used by well-known VPN protocols. You can also look into the website…
How do you send ASA logs to syslog? Choose Configuration > Features > Properties > Logging > Logging Setup. Check the Enable logging check box…
How do I change the default gateway on a l2 switch? To configure the default gateway for the switch, use the ip default-gateway command. Enter…
How does a GRE tunnel work? GRE works by encapsulating a payload — that is, an inner packet that needs to be delivered to a…
How many areas we can create in OSPF? These connecting routing devices are called (ABRs). Figure 1 shows an OSPF topology of three areas connected…
Which type of OSPF link state advertisement is an AS external LSA? Type-5 Type-5 AS external link advertisement – These LSAs are generated by ASBR…
What type of network is ATM? ATM provides functionality that uses features of circuit switching and packet switching networks. It uses asynchronous time-division multiplexing. Is…