Huawei Firewall Architecture: Security Zones, Stateful Policies, ASPF, and Virtual Systems
Overview
Firewalls function as specialized network security appliances designed to shield one network segment from threats originating in another. Typical deployement positions include enterprise internet edges, internal departmental boundaries, and data center perimeters. Available form factors encompass chassis-based, compact fixed-configurat ...
Posted on Wed, 13 May 2026 15:26:26 +0000 by burgessm
Determining Interface Roles in Spanning Tree Protocol
Network Topology
A network consisting of four switches (LSW1, LSW2, LSW3, LSW4) connected in a loop to demonstrate STP convergence.
Device Configuration
LSW1 (Intended Root Bridge)
[Device] stp mode stp
[Device] stp priority 0
LSW2
[Device] stp mode stp
[Device] stp priority 4096
LSW3
[Device] stp mode stp
LSW4
[Device] stp mode stp
STP Ope ...
Posted on Wed, 13 May 2026 06:33:33 +0000 by alexislalas
Using ACLs for Traffic Filtering on Cisco, Huawei, and H3C Devices
An Access Control List (ACL) consists of multiple entries, each called a Access Control Entry (ACE). ACEs are evaluated in ascending order based on their sequence numbers (default starting at 5, stepping by 5). The first match is applied immediately, and no further evaluation occurs.
Cisco ACLs implicitly deny all traffic at the end. In contras ...
Posted on Fri, 08 May 2026 20:14:12 +0000 by Buttero