I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the /56 delegated prefix.
I have multiple...
I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the /56 delegated prefix.
I have multiple...
As was mentioned in this post:
The reason for seeing an incomplete ARP is that "An ARP request was sent for that address, but the host with that address is not up and running on the LAN, so there is no reply"
So, if a multilayer switch ...
Is there some MAC address value, that can be used to denote that device does not have MAC set (something like 0.0.0.0 for IP).? I thought of ff:ff:ff:ff:ff:ff, but afraid that it could be meaningful when set for interface.
The question is...
I am learning ipfix and found a cmd like this:
tshark -r ipfix.cap -n -d udp.port==4379,cflow -O cflow
What does the cflow part mean here?
I was also told to filter cflow if I use Wireshark in Windows.
Ok, I have a basic understanding of VLAN's but I am trying to do the following setup which seems way more complicated than it should be because of things I am not sure of. I am doing this because we had a professional hacker come in and t...
CIDR stands for "Classless Inter-Domain Routing". But what's a domain in this case? Seems to not be the same kind of domain as DNS deals with...
Consider the following example: I have two networks (192.168.1.0 and 192.168.2.0) with one PC in each network (PC0 - 192.168.1.1 and PC1 - 192.168.2.1) and a router R0 with 2 interfaces connecting these networks:
Then I configure a stan...
Every time i try reading about the configuration of a device and adding it to the network, i always face a problem. The problem is basically am not able to understand Vlan's, and how for example some companies use it: to move Voice over I...
I was reading CCNA R&S book by Todd Lammle, I saw this in the chapter TCP/IP Basics under Network Access/Link Layer
Advantage of this layer over Layer 1 and Layer 2 of OSI model is that there were no set physical layer specificatio...
This is the process of DHCP operation,
My question is at the 3rd step why does the Client send a Broadcast and not a Unicast as after the previous two operations the address of the DHCP server / Relay server should be known?