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Configure EIGRP on the ASA Firewall

By JMCristobal
October 8, 2021
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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Security

Configure Default and Static Routes – ASA Firewall

By JMCristobal
September 30, 2021
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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Security

Configure SNMP for FTD

By JMCristobal
September 26, 2021
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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Security

Upgrade Firepower Threat Defense with FMC

By JMCristobal
September 14, 2021
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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Security

Cisco ASA Remote Management – SSH/ASDM

By JMCristobal
August 10, 2021
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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Enterprise Infrastructure

EIGRP

By JMCristobal
May 10, 2021
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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Enterprise Infrastructure

STP: Multiple Spanning-Tree

By JMCristobal
April 1, 2021
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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Enterprise Infrastructure

STP: Rapid PVST+ configuration

By JMCristobal
March 29, 2021
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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Enterprise Infrastructure

STP: Protection Features

By JMCristobal
March 25, 2021
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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Enterprise Infrastructure

STP: Optimization methods

By JMCristobal
March 22, 2021
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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Enterprise Infrastructure

STP: PVST+ configuration

By JMCristobal
March 15, 2021
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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Enterprise Infrastructure

STP – Timers, Port Roles and States

By JMCristobal
March 11, 2021
Choosing root ports Once the root bridge is chosen, a Root Port must be chosen for each switch, which is not the root bridge. The root port always ...
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Enterprise Infrastructure

STP Overview

By JMCristobal
March 8, 2021
Spanning-Tree Protocol can exist between two devices (switches). Multiple active paths between devices cause loops in the network. STP is a layer 2 link management protocol that provides ...
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Enterprise Infrastructure

Etherchannel PAgP y LACP

By JMCristobal
February 19, 2021
The audio of the video is only in Spanish EtherChannels can be negotiated between two switches; there are two protocols for this negotiation: PAgP and LACP. PAgP (Port ...
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Enterprise Infrastructure

Etherchannel Overview

By JMCristobal
February 18, 2021
Etherchannel, also known as Link Aggregation, is a technology that allows grouping several physical interfaces that connect a pair of devices; when the etherchannel is established, the devices ...
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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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