Mongolia Internet Service Provider Core Switch Extension

ORGANIZATION PROFILE

   Internet Service Provider Field

KEY CHALLENGES

   Along with the rapid growth of business, existing core switch network already unable to meet the business requirement. And existing core switch running spanning-tree, Operation and maintenance team difficult to deal with spanning-tree convergence issue and troubleshooting spanning-tree issue.

SOLUTION

   Using 2 pcs Cisco Nexus 7706 as the Core Switch, The Cisco Nexus 7700 6-Slot Switch, with up to four I/O module slots, supports up to 192 x 1 and 10 Gigabit Ethernet ports, 96 x 40 Gigabit Ethernet ports, and 48 x 100 Gigabit Ethernet ports, meeting the demands of small to medium data center deployments in a compact 9 Rack Units (RU) footprint. The Cisco Nexus 7706 has six fabric module slots to provide simultaneously active fabric channels to each of the I/O and supervisor modules. Through the parallel forwarding fabric architecture, the Cisco Nexus 7706 can achieve 10.5 Tbps of forwarding capacity or more

   In 2 pcs Nexus 7706 enable vPC feature, vPC is a virtualization technology that presents both Cisco Nexus 7000 Series paired devices as a unique Layer 2 logical node to access layer devices or endpoints. vPC belongs to Multichassis EtherChannel [MCEC] family of technology

   A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 7000 Series devices to appear as a single port channel to a third device. The third device can be a switch, server, or any other networking device that supports link aggregation technology.

BENEFITS

  The Cisco Nexus® 7000 Series Switches are the foundation of the Cisco® Unified Fabric solution. Designed to meet the requirements of mission-critical network, these switches deliver exceptional availability, outstanding scalability, and the proven and comprehensive Cisco NX-OS Software data center switching feature set.

vPC provides the following technical benefits:

● Eliminates Spanning Tree Protocol (STP) blocked ports

● Uses all available uplink bandwidth

● Allows dual-homed servers to operate in active-active mode

● Provides fast convergence upon link or device failure

● Offers dual active/active default gateways for servers

  vPC also leverages native split horizon/loop management provided by port-channeling technology: a packet entering a port-channel cannot immediately exit that same port-channel.

  By using vPC, users get the immediate operational and architectural advantages:

● Simplifies network design

● Build highly resilient and robust Layer 2 network

● Enables seamless virtual machine mobility and server high-availability clusters

● Scales available Layer 2 bandwidth, increasing bisectional bandwidth

● Grows the size of the Layer 2 network


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