Tag Archives: Cisco

Redistribution of EIGRP and OSPF in a Hybrid Cisco/Dell Network

Posted on February 16, 2014 by Humair

Check out my latest blog on networkpros.org where I demonstrate redistributing EIGRP routes into OSPF and redistributing OSPF routes into EIGRP in a mixed Cisco IOS and Dell FTOS environment. Of course only the Cisco switches are running EIGRP and … Continue reading →

Posted in Cisco, Dell, Dell Force10, Labs, Networking, Protocols, Technology | Tagged 500, 6509, 7204VXR router, ASBR, Autonomous System Border Router, Catalyst 6500, Catalyst 6509, Cisco, Cisco 6500, Cisco 6509, Cisco 7200, Cisco 7200VXR, Cisco 7204, Cisco 7204VXR, Cisco 7204VXR router, Cisco Catalyst 6500, Cisco Catalyst 6509, default-metric, Dell Force10 S50N, Dell Force10 S60, Dell S50N, Dell S60, eighbor relationships, EIGRP into OSPF, EIGRP-OSPF Redistribution, External routes, Force10 S50N, Force10 S60, LSA Type-5, LSA Type-5 external routes, OSPF into EIGRP, Redistributing EIGRP, Redistributing EIGRP into OSPF, Redistributing OSPF, Redistributing OSPF into EIGRP, Redistribution in a Cisco EIGRP and Dell OSPF Environment, Routes redistributed in from another OSPF process, Routes redistributed in from BGP, S50N, S60, Type-5 external routes | Leave a comment

Dell MXL/IOA with FC Flex IOM: Network and Infrastructure Convergence with NPIV Proxy Gateway

Posted on January 21, 2014 by Humair

Very exciting news from Dell today as they announced the availability of the Dell FC Flex IOM module which transforms the Dell M1000e MXL/IOA blade switch into a NPIV Proxy Gateway (NPG). This allows the MXL/IOA to bridge between Ethernet … Continue reading →

Posted in Dell, Dell Force10, Labs, Network Architecture, Networking, Protocols, Technology | Tagged 5548UP, Brocade, Brocade 6505, Brocade 6505 FC Switch, Brocade FC Switch, Brocade VDX, Cisco, Cisco Nexus, Cisco Nexus 5548, Cisco Nexus 5548UP, consolidation, Converged Network with Dell MXL and FC Flex IO Module, Converged switch, convergence, Dell 4 port FC Module, Dell Compellent, Dell Compellent SC220, Dell Compellent SC8000, Dell Compellent Storage Array, Dell FC Flex IO Module, Dell Fc Flex IOM, Dell FC Module, Dell Fibre Channel Module, Dell Force10, Dell Force10 FC Flex IO Module, Dell Force10 FC Flex IOM, Dell Force10 IOA, Dell Force10 MXL, Dell FTOS, Dell IOA, Dell M1000e, Dell M1000e chassis, Dell M1000e FlexIO modules, Dell M1000e PowerEdge chassis, Dell MXL, Dell Networking, Dell Networking FC Flex IOM, FC Flex IO Module, FC Flex IOM, FC port, FC ports, FCoE Switch, Fibre Channel, Fibre Channel module, Force10, FTOS, infrastructure convergence, Network and Infrastructure Convergence with NPIV Proxy Gateway, network convergence, Nexus 5548UP, NPG, NPG Mode, NPIV Proxy Gateway | 6 Comments

Cisco vPC with Dell S4810 at ToR

Posted on September 21, 2013 by Humair

Cisco’s vPC technology is similar to Dell’s VLT; it enables an access/leaf switch or server to have single LAG connecting up to two separate switches. This allows for an non-blocking, multipathing scenario. You can read more about Dell’s VLT technology … Continue reading →

Posted in Cisco, Dell, Dell Force10, Labs, Network Architecture, Networking, Technology | Tagged 5548, Cisco, Cisco 5548UP, Cisco Nexus, Cisco Nexus 5548UP, Dell, Dell Force10 S4810, Dell S4810, Force10 S4810, mlag, Nexus, Nexus 5548UP, Nexus switch, port channel, S4810, S4810 switch, switch, Virtual Port Channel, vPC | 3 Comments

IT Certifications, Innovation, and Career Growth – Making the Right Decisions

Posted on September 7, 2013 by Humair

I often get asked, “What certification should I get next?” There is no right way to answer this question without a deeper analysis of why a certification is being sought in the first place. I’ll focus specifically on IT certifications … Continue reading →

Posted in Business, Life, News, Technology, Tips | Tagged best certifications, best IT certifications, Bill Gates, CCIE, CCIEs, CCNA, certifications, Cisco, Cisco CCIE, Cisco CCNA, CompTIA, CompTIA Linux+, employment, IT certifications, job, job opportunity, jobs, Larry Page, linux, Mark Zuckerberg, opportunity cost, Steve Jobs, Steve Wozniak, technologist, top certifications, top IT certifications, vmware | Leave a comment

Understanding Cisco Nexus 2000 Series Fabric Extenders

Posted on August 13, 2013 by Humair

Cisco Nexus 2000 Series Fabric Extenders (FEX) behave and can be considered as remote line cards for Cisco Nexus switches. The fabric extender acts as an extension to the parent Cisco Nexus switch fabric; the fabric extender and the parent … Continue reading →

Posted in Cisco, Labs, Network Architecture, Networking, Technology | Tagged Cisco, Cisco distributed modular system, Cisco FEX architecture, Cisco Nexus, Cisco Nexus 2000, Cisco Nexus 2000 Fabric Extender, Cisco Nexus 2000 Fabric Extenders, Cisco Nexus 2000 FEX, Cisco Nexus 2000 Series Fabric Extenders, Cisco Nexus 2248PQ, Cisco Nexus 2248PQ Fabric Extender, Cisco Nexus 2248PQ FEX, Cisco Nexus 5548UP, Cisco Nexus Fabric Extender, Cisco Nexus FEX, Cisco Nexus switch, distributed modular system, east-west traffic, edge ports, etherchannel, EtherChannel Fabric Interface Connection, EtherChannel interface, Fabric Extender, FEX, FEX architecture, fex associate, Nexus 2248PQ, Nexus 2248PQ Fabric Extender, Nexus 2248PQ FEX, Nexus 5548UP, spanning tree edge ports, Static Pinning Fabric Interface Connection, switchport mode fex-fabric | 3 Comments

Cisco Nexus 5548UP – Configuring the Management Interface

Posted on July 3, 2013 by Humair

This is a relatively simple blog on configuring the Cisco Nexus 5548UP management interface. When Cisco moved away from IOS to NX-OS for the operating system on their new Nexus datacenter switches, some of the commands and syntax for even … Continue reading →

Posted in Cisco, Dell, Labs, Networking, Technology | Tagged Cisco, Cisco 5548UP, Cisco Nexus, Cisco Nexus 5548UP, Cisco Nexus default route, Cisco Virtual Routing and Forwarding, Cisco VRF, configure Cisco management interface, configure management interface, configure Nexus 5548UP management interface, configure Nexus management interface, Dell, Dell Force10 S4810, Dell PowerEdge, Dell PowerEdge R710, Dell PowerEdge R710 server, Dell S4810, Force10 S4810, Nexus 5548UP, Nexus default route, Nexus management interface, NX-OS, S4810, VDC, virtual device context, Virtual Routing and Forwarding, VRF, vrf context management | 3 Comments

Buying a Converged/FCoE Switch?

Posted on May 11, 2013 by Humair

I felt the urge to write this article after receiving several inquiries about buying used Cisco Nexus 5010 and Nexus 5020 switches because they are available on some third-party site at large discounts – at least compared to the new … Continue reading →

Posted in Brocade, Cisco, Dell, Juniper, Network Architecture, Networking, Protocols, Technology | Tagged Adapter-FEX, Brocade, Brocade 6720, Brocade 6730, Brocade converged switch, Brocade FCoE switch, Brocade VDX 6720, Brocade VDX 6730, Cisco, Cisco 5010, Cisco 5020, Cisco 5548UP, Cisco 5596UP, Cisco converged switch, Cisco FCoE switch, Cisco Nexus, Cisco Nexus 5010, Cisco Nexus 5020, Cisco Nexus 5548UP, Cisco Nexus 5596UP, Cisco Nexus switches, Converged switch, Data Center Bridging, DCB, Dell, Dell converged switch, Dell FCoE switch, Dell Force10, Dell S5000, Dell S5000 converged switch, Dell S5000 FCoE switch, Dell S5000 switch, FabricPath, FC, FCoE, FCoE-FC bridging, FCoE-FC bridging capabilities, Fibre Channel, Fibre Channel over Ethernet, Juniper, Juniper converged switch, Juniper FCoE switch, Juniper QFX3500, Nexus 5010, Nexus 5020, Nexus 5548UP, Nexus 5596UP, QFX3500, S5000 converged switch, S5000 FCoE switch, TRILL, VDX 6720, VDX 6730, VM-FEX | 1 Comment

Connecting Dell PowerEdge M I/O Aggregator with Dell Force10 S4810 and Cisco Nexus 5548UP

Posted on February 11, 2013 by Humair

The Dell PowerEdge M I//O Aggregator is a slick blade switch that plugs into the Dell PowerEdge M1000e chassis and requires barely any configuration/networking knowledge. Think of it as an advanced layer 2 switch that provides expandable uplink connectivity. The … Continue reading →

Posted in Cisco, Dell, Dell Force10, Force10 Networks, Labs, Network Architecture, Networking, Technology | Tagged 40 GbE, 5548 switch, 5548UP switch, Blade Chassis, blade switch, Chassis Management Controller, Cisco, Cisco Nexus, Cisco Nexus 5548, Cisco Nexus 5548UP, CMC, Dell, Dell Blade Server, Dell Blade Servers, Dell Force10, Dell Force10 S4810, Dell Force10 S4810 switch, Dell I/O Aggregator, Dell M1000e, Dell PowerEdge, Dell PowerEdge M I/O Aggregator, Dell PowerEdge M1000e, Dell S4810, Dell S4810 switch, Dell Server Blade Chassis, Force10, Force10 Networks, Force10 Networks S4810, Force10 Networks S4810 switch, Force10 S4810, Force10 S4810 switch, I/O Aggregator, I/O Aggregator blade switch, M1000e, Nexus 5548, Nexus 5548UP, Nexus 5548UP switch, PowerEdge, PowerEdge I/O Aggregator, PowerEdge I/O Aggregator blade switch, PowerEdge M1000e, S4810 switch, Server Blade Chassis, Twinax, Twinax breakout cable, Twinax breakout cables | 2 Comments

Dell Force10 – Layer 2 Multipathing via Virtual Link Trunking (VLT)

Posted on December 18, 2012 by Humair

In this blog I use one Dell Force10 S50N [FTOS 8.4.2.7] and three Dell Force10 S4810 switches [FTOS 8.3.12.1] to demonstrate Dell Force10’s layer 2 mulipathing technology called Virtual Link Trunking (VLT). With VLT, you can create a LAG for … Continue reading →

Posted in Dell Force10, Force10 Networks, Labs, Networking, Technology | Tagged 10 gig, 10GbE, 40 gig, 40GbE, bare metal provisioning, BMP, Brocade, Cisco, Dell, Dell Force10, Dell Force10 S4810, Dell Force10 S50N, Force10 Networks, Force10 S4810, Force10 S50N, FTOS, Juniper, LACP, Link Aggregation Control Protocol, MCT, MEC, mulipathing, Multi-Chassis Trunking, Multichassis EtherChannel, non-blocking, reload-type, S4810, S50N, Shortest Path Bridging, Spanning Tree Protocol, SPB, stack port, stack-group, STP, Transparent Interconnection of Lots of Links, TRILL, Virtual Chassis, Virtual Link Trunk, Virtual Link Trunking, Virtual Port Channel, VLT, VLT interconnect, VLTi, vPC | 11 Comments

Multi-Area OSPF in a Mixed Cisco and Dell Force10 Environment

Posted on November 20, 2012 by Humair

In this lab I use one Cisco 2621XM [IOS 12.4(2)T], one Cisco 2621 [IOS 12.3(18)], one Cisco 3660 [IOS 12.1(1)T], one Cisco 3640 [IOS 12.1(2)T], one Cisco 3550-24PWR-SMI [IOS 12.2(44)SE6], one Dell Force10 S60 [FTOS 8.3.3.7], and one Dell Force10 … Continue reading →

Posted in Cisco, Dell Force10, Force10 Networks, Labs, Networking, Protocols, Technology | Tagged 2621, 2621XM, 3550-24PWR-SMI, 3640, 3660, ABR, Area Border Router, Area Border Routers, Cisco, Cisco 2621, Cisco 2621XM, Cisco 3550-24PWR-SMI, Cisco 3640, Cisco 3660, Dell, Dell Force10, Dell Force10 S50N, Dell Force10 S60, Force10, Force10 Networks, Force10 S50N, Force10 S60, multiarea ospf, Open Shortest Path First, OSPF, ospf neighbor, OSPF Neighbors, S50N, S60, Type 3 LSAs | Leave a comment