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IT Network Technician

IT Network Technician

Mekdam Technical ServicesDoha, Qatar
23 منذ ساعات
نوع الوظيفة
  • Quick Apply
الوصف الوظيفي

1. Experience in Cisco and Huawei Switches

  • Cisco Switches : Experience with Cisco switches involves working with various models (e.g., Catalyst, Nexus, etc.) and understanding their features, configurations, and protocols. This includes familiarity with Ciscos software (e.g., IOS, IOS XE) and CLI (Command Line Interface). Practical experience might involve tasks such as port configuration, VLAN management, trunking, spanning tree protocol (STP), and network security configurations.
  • Huawei Switches : Experience with Huawei switches involves working with models like the Huawei S series and the OS (e.g., Huawei VRP). The CLI and configuration style might be slightly different from Cisco, but the core networking principles are similar. This experience would also include configuring VLANs, trunking, STP, and integrating with other network devices while troubleshooting and optimizing the network.

2. Configuration of Both Cisco and Huawei at L2 (Layer 2) Level

  • Layer 2 Configuration : At the Layer 2 level, both Cisco and Huawei switches perform tasks related to MAC address forwarding, VLAN (Virtual LAN) segmentation, and frame transmission between devices within the same network. Layer 2 configurations generally focus on :
  • VLAN Creation : Dividing the network into smaller, isolated broadcast domains to improve performance and security.
  • Port Configuration : Assigning specific ports to VLANs, either statically or dynamically.
  • Trunking : Configuring trunk ports for carrying multiple VLANs across a single link using protocols like IEEE 802.1Q.
  • Spanning Tree Protocol (STP) : Ensuring loop-free Layer 2 networks by selecting a root switch and blocking redundant paths. Cisco and Huawei both implement STP, though the commands and options may vary slightly.
  • EtherChannel / Link Aggregation : Combining multiple physical links into a single logical link for bandwidth aggregation and redundancy.
  • Port Security : Configuring security features such as limiting the number of MAC addresses per port or defining secure MAC addresses.

    • 3. CCNP Certified

  • CCNP (Cisco Certified Network Professional) :
  • Routing and Switching : Advanced routing protocols (e.g., OSPF, EIGRP, BGP), multi-area OSPF, route redistribution, and IP addressing schemes.
  • LAN and WAN Technologies : Configuring and troubleshooting local area networks (LAN) and wide area networks (WAN), including technologies like Frame Relay, MPLS, and VPN.
  • Network Security : Implementing security mechanisms in the network to protect from external and internal threats, such as ACLs, NAT, VPNs, and firewall configurations.
  • Troubleshooting : Using tools and methods to diagnose and resolve networking issues.
  • This certification is relevant for individuals who want to deepen their expertise in enterprise networking and be proficient in handling complex network setups.

    • 4. Knowledge on Switch Routing Level

  • Layer 3 (Routing) on Switches : Many modern switches, especially in Ciscos Catalyst and Huaweis S series, support Layer 3 routing features. Knowledge in this area includes :
  • IP Routing Configuration : Setting up static routes, dynamic routing protocols like OSPF, EIGRP, and even BGP on switches.
  • Inter-VLAN Routing : Configuring routing between VLANs to allow communication across different broadcast domains. This could involve using a Layer 3 switch (or a router) to route traffic between VLANs.
  • Routing Protocols : Implementing and troubleshooting routing protocols to ensure dynamic and efficient route exchange within a network.
  • Routing Tables : Understanding the content of routing tables, troubleshooting route propagation, and optimizing routes for performance.
  • Switch Virtual Interfaces (SVIs) : Creating virtual interfaces on a switch to enable Layer 3 capabilities for VLANs.

    • 5. Basic Firewall Knowledge

  • Basic Firewall Concepts : A fundamental understanding of firewalls is crucial for network security.
  • Types of Firewalls : Familiarity with different firewall types, such as packet filtering, stateful inspection, and application-layer firewalls.
  • Basic Firewall Configuration : Understanding how to configure firewalls to block or allow traffic based on IP addresses, ports, and protocols. This might include configuring access control lists (ACLs) on routers and Layer 3 switches, basic NAT (Network Address Translation) configurations, and troubleshooting firewall issues.
  • Security Zones : Configuring zones or interfaces with different trust levels (e.g., inside, outside, DMZ) and applying policies accordingly to secure the network perimeter.
  • Troubleshooting : Knowledge of how to troubleshoot basic firewall issues using logs, packet captures, and monitoring tools.

    • Education :

    Bachelor's Degree in (Computer Science or IT)

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