Trying to connect to a Cisco router, in purpose to learn Cisco skills that could help me finding a job. So, I plugged a cable in the rj45 Console (blue) port of a Cisco 888 router, and other end into serial port. On Debian 10, I installed ...
Posts published in “Computer & Internet”
I am trying to test throughput in the network. But when i start iperf3 client for sending UDP packets it sends TCP SYN packets. Why does it behave like this? (it should not send udp tcp syn while connectiing to UDP server)
I know the username and password of my Cisco 2500 series wireless & ethernet controller and its IP address, but when I enter the IP address into a web browser (Firefox and Chrome) it states the location cannot be reached / connection c...
Recently I got to know that I am unable to ping the IP addresses behind vlan236 from core1 whereas I am able to ping the same from core2 and able to ping the IP address of vlan236 from my laptop as well.
I can see the arp entry as well but...
I'm trying to connect 4 networks with 1 router, i created 2 sub-interfaces in the router, when i tried to create the 3rd sub-interface i got this output "%Cannot create sub-interface", this is my topology: https://i.gyazo.com/0d7...
If I connect switches in each building together, which also link a router, does a routing protocols need to be configured on the switches and the router, or just the router?
An AF entity is necessary, for example, to create a dedicated bearer, but I don't understand what it really does, and why is it necessary for this creation?
some times we receive volumetric traffic from single source IP (out of our networks) towards one destination in our network,
is there anyway to find it with tcp dump ?
thank you.
According to Link-local address on Wikipedia:
In IPv4, link-local addresses are normally only used when no external, stateful mechanism of address configuration exists, such as the Dynamic Host Configuration Protocol (DHCP), or when anoth...
I'm adding DHCP Snooping to the core switches but I'm unable to find the equivalent of ip dhcp snooping information option allow-untrusted from Cisco IOS in Cisco NX-OS.
I've done some tests without this option and my packages are dropped ...