by Reashad Hossain | Oct 3, 2024 | Networking
Configuration on Cisco It is a 7-step process on a Cisco router. The steps are: Turn ON HTTP server on R1 Turn R1 into a CA so that it can create client certificates Create client certificate on R1 Configure AAA Configure IKEv2 Configure IPSec Create virtual-template1...
by Reashad Hossain | Sep 21, 2024 | Networking
ISAKMP Phase 1 (IKE) This is a 2-step process:1. configure ISAKMP policyIKE configuration (ISAKMP policy) is universally applicable. That means this set of configurations will be tried with every IPSec peer this router has.2. Define Peer router IP with a pre-shared...
by Reashad Hossain | Nov 13, 2023 | Networking
by Reashad Hossain | Aug 9, 2023 | Networking
If you use a Non-Cisco SFP on a Cisco switch or router, then you can potentially take down the entire network. When it happens, you will see that the entire line module is down or in other words, all the ports in that line module will go under err-diable state. Yes,...
by Reashad Hossain | Dec 23, 2022 | Networking
This error displays on Wireshark when you try to capture packets on Eve-ng or PNET lab. Why this happens: Wireshark can not access Eve-ng or PNET lab with right credential How to fix it: Open Notepad as an administratorBrowse: C:Program FilesEVE-NGopen...
by Reashad Hossain | Dec 18, 2022 | Networking
RFC 1918 Address Allocation for Private Internets February 1996 3. Private Address Space The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets: 10.0.0.0 – 10.255.255.255 (10/8 prefix)...