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JMCristobal

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JMCristobal

JMCristobal Posts

Configure Syslog on Cisco IOS

By JMCristobal
February 11, 2022
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)

By JMCristobal
October 30, 2021
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

By JMCristobal
October 22, 2021
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

By JMCristobal
October 15, 2021
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

By JMCristobal
October 8, 2021
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

By JMCristobal
September 30, 2021
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

By JMCristobal
September 26, 2021
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

By JMCristobal
September 14, 2021
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

By JMCristobal
August 10, 2021
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

By JMCristobal
May 10, 2021
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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STP: Multiple Spanning-Tree

By JMCristobal
April 1, 2021
Enterprise Infrastructure
MST is a standard published by the IEEE to create different STP instances for groups of VLANs to have more than one STP topology approaching the Cisco mechanisms ...
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STP: Rapid PVST+ configuration

By JMCristobal
March 29, 2021
Enterprise Infrastructure
The iEEE 802.1w standard was developed using the main concepts of 802.1d (Common Spanning-Tree) but with a faster convergence time. It can be applied to single or multiple ...
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STP: Protection Features

By JMCristobal
March 25, 2021
Enterprise Infrastructure
Root Guard The Root Guard feature was developed as a means to control when a candidate root bridge switch connects to the network. It records the bridge ID ...
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STP: Optimization methods

By JMCristobal
March 22, 2021
Enterprise Infrastructure
Some additional methods allow faster STP convergence if a link failure occurs. Portfast Allows fast connectivity on ports by immediately switching to the Forwarding state without going through ...
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STP: PVST+ configuration

By JMCristobal
March 15, 2021
Enterprise Infrastructure
PVST+ (Peer-VLAN Spanning-Tree) First of all, let’s remember: Common spanning-Tree (CST) only handles one instance of STP on switches, based on 802.1Q trunks, by default over vlan 1 ...
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This website is free and educational. Contains my thoughts and ideas, which may not represent the thoughts of the various technologies mentioned here. All product names, logos, and illustrations are copyright/trademarks of their respective owners.
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