Archives by: JMCristobal

JMCristobal

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JMCristobal Posts

Configuring NTP on Cisco IOS

Enterprise Infrastructure
Network Time Protocol (NTP) is used for centralized synchronization of the date and time of devices. It works over UDP port 123.  NTP operation modes: Server: the device ...
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Upgrade FMCs in a High Availability

Security
Equipment to be used: FMC 2600 with version 6.4.0.10 The objective is to upgrade the FMC in HA to version 6.6.4 Before you begin, I recommend that you ...
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Install Visual Studio Code on Ubuntu 20.04

Devnet Linux
Visual Studio Code is a source code editor developed by Microsoft. For the installation, we will use a Snap package. Snaps are application packages that are easy to ...
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Installing Ubuntu on VMWare Fusion

Devnet Linux
Let’s see a simple guide to creating a virtual machine with Ubuntu operating system in VMware Fusion. Open the program VMware Fusion File > New Click on Continue ...
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Cisco IOS commands

Enterprise Infrastructure
Commands Used to Monitor and Manipulate the CAM Table TaskDisplay all MAC addresses learned on a specific interfaceSwitch# show mac address-table dynamic interface type number Display the current ...
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Configure Syslog on Cisco IOS

Enterprise Infrastructure
Syslog is a standard for logging messages describing important events on network equipment. These events are used for auditing to know what, when, and how the event happened. ...
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Cisco ACI CLI Commands (APIC, Leaf/Spine)

Data Center
Connect to Leaf from APICbashattach [node-name]ssh user@[node-name] Endpoint, EPG, BD form APIC<show ip interface bridge-domain [name_bd]><show epg [epg-name] [detail]> Ping from Leafiping [-dDFLnqRrv] [-V vrf] [-c count] [-i ...
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Configure DHCP in router cisco

Enterprise Infrastructure
DHCP (Dynamic Host Configuration Protocol)  The DHCP protocol allows clients to dynamically configure network parameters without the need for a manual configuration process.  Dynamically assigns an IP address to ...
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Configuring OSPFv2 on ASA Firewall

Security
Create an OSPF routing process: asa-jmcristobal(config)# router ospf process_id Define the IP addresses on which OSPF runs and the area ID for that interface: asa-jmcristobal(config)# network ip_address mask ...
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Configure EIGRP on the ASA Firewall

Security
Create an EIGRP routing process asa-jmcristobal(config)# router eigrp as-num Configure the interfaces and networks that participate in EIGRP routing: asa-jmcristobal(config-router)# network ip-addr [mask] We can configure one or ...
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Configure Default and Static Routes – ASA Firewall

Security
Configure a Default Route A default route is simply a static route with 0.0.0.0/0 as the destination IP address. ASA would be configured using the command route {nameif}. ...
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Configure SNMP for FTD

Security
In this article we will configure the SNMPv3 protocol  on a Firepower Threat Defense through the FMC. The FMC and FTD have version 6.6.4.  Step 1 .- Select Devices > Platform Settings: ...
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Upgrade Firepower Threat Defense with FMC

Security
Equipment to be used: FMC 2600 with version 6.6.4FTD 2130 with version 6.4.0.10 The objective is to upgrade the FTD to version 6.6.4 through the FMC. Before you ...
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Cisco ASA Remote Management – SSH/ASDM

Security
By default SSH, telnet or https management is disabled. First of all we must have configured the management interface of the equipment, something similar to: ASA-JMCristobal# sh run ...
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EIGRP

Enterprise Infrastructure
EIGRP (Enhanced Interior Gateway Routing Protocol) is an advanced vector distance protocol, an enhanced version by Cisco’s proprietary Interior Gateway Routing Protocol (IGRP). EIGRP uses the same algorithm ...
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