Category Archives: Force10 Networks
Connecting Dell PowerEdge M I/O Aggregator with Dell Force10 S4810 and Cisco Nexus 5548UP
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
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Understanding and Implementing Flow Control on Dell Force10 Switches
Ethernet flow control allows for a receiving node to temporarily stop the transmission of data from the sending node. As defined by IEEE 802.3x this is accomplished via the PAUSE frame.
Posted in Dell Force10, Force10 Networks, Labs, Networking, Servers, Technology
Tagged 01-80-C2-00-00-01, 01:80:C2:00:00:01, 802.1Qbb, 802.3x, 802.3x flow control, Class of Service, converged network, converged networks, CoS, DCB, Dell, Dell Force10, Dell Force10 S50N, Dell S50N, Ethernet Pause Frame, Flow Control, Force10, Force10 Networks, Force10 S50N, IEEE 802.1Qbb, IEEE 802.3x flow control, network congestion, pause, PAUSE frame, PAUSE frame capture, PAUSE frame propogation, pause traffic, PFC, priority-based flow control, propogate PAUSE frame, QoS, Quality of Service, wireshark, Wireshark PAUSE frame, Wireshark PAUSE frame capture
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Distributed Core Network Architecture
There is no doubt you have probably heard by now the importance of supporting ‘east-west’ traffic flow in large data center networks. So why is this and what does it mean? And when Gartner claims that 80 percent of data … Continue reading
Posted in Dell Force10, Force10 Networks, Hadoop, Network Architecture, Networking, Servers, Technology, Virtualization and Cloud Computing
Tagged 'east-west' traffic flow, 10 GbE, 10 gig, 3-Tier, 3-Tier Network Architecture, 40 GbE, 40 gig, Data Center, Dell, Dell Force10, Dell Force10 S4810, Dell Force10 Z9000, Dell S4810, Dell Z9000, distributed cloud computing, distributed cloud computing platform, distributed cloud computing platforms, distributed core architecture, Distributed Core Network Architecture, east-west, east-west traffic, Facebook, Force10, Force10 Networks, Force10 Networks S4810, Force10 Networks Z9000, Force10 S4810, Force10 Z9000, Hadoop, server-to-server, server-to-server traffic, server-to-server traffic flow, Spanning Tree Protocol, spine and leaf, spine and leaf architecture, spine and leaf network, STP, Traditional 3-Tier Network Architecture, Z9000
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Multi-Area OSPF in a Mixed Cisco and Dell Force10 Environment
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
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Blocking Hackers From Accessing Your Switch via Telnet/SSH
It’s amazing how much rattling at the doors and attempted intrusions companies become accustomed to seeing on their networks. Here I show a simple way to block telnet/SSH access to your switch. First, you should never use telnet to manage … Continue reading
Posted in Dell Force10, Force10 Networks, Hacks, Labs, Network Security, Networking, Technology
Tagged access list, access lists, access-llists, block ssh, block telnet, block VTY access, Dell, Dell Force10, extended access list, extended access-lists, Force10 Networks, FTOS, hack, hacker, named access list, named access-lists, port 22, port 23, S0N, SSH, tcp, telnet, VTY, VTY access, VTY line, VTY lines
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Advanced Private VLAN Configuration on Dell Force10 Switches
In a prior lab, “Dell Force10 Z9000 – Creating Additional Layer 2 Isolation via Private VLANs“, I demonstrated some basics in regards to private VLANs. In this lab, I plan to go a little further and demonstrate how hosts in … Continue reading
Posted in Dell Force10, Force10 Networks, Labs, Networking
Tagged Dell, Dell Force10, Dell Force10 S50V, Dell Force10 S60, Dell Force10 Z9000, Dell S50V, Dell Z9000, Force10, Force10 S50V, Force10 S60, Force10 Z9000, FTOS, private VLAN, private VLANs, private-vlan host, private-vlan trunk, PVLAN, PVLANs, S50V, S60, Z9000
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Dell Force10 Z9000 – Creating Additional Layer 2 Isolation via Private VLANs
Private VLANs provide additional segregation capabilities within a VLAN. A private VLAN provides further layer 2 isolation between ports. A common example of private VLAN use is a hotel providing Internet access for patrons while at the same time preventing … Continue reading
Posted in Dell Force10, Force10 Networks, Labs, Networking, Technology
Tagged community VLAN, Dell, Dell Force10, Dell Force10 S50V, Dell Force10 Z9000, Force, Force10, host port, isolated VLAN, layer 2 isolation, primary VLAN, private VLAN, private VLANs, promiscuous port, S50V, secondary VLAN, vlan, vlans, Z9000
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802.1Q Trunking Between Cisco and Dell Force10 Switches
In this lab I use a Dell Force10 S25P switch [FTOS 8.4.2.6] and a Cisco C3750 switch [IOS 12.2(25)SEE3] to demonstrate 802.1Q trunking.
Posted in Cisco, Dell Force10, Force10 Networks, Labs, Networking, Protocols, Technology
Tagged 802.1q, 802.1Q encapsulation, 802.1Q trunk, 802.1Q trunking, change default vlan, change native vlan, Cisco, Cisco C3750, default vlan, Dell Force10, Dell Force10 S25P, dot1q, etherchannel, Force10, hybrid, hybrid port, IEEE 802.1Q, Inter-Switch Link, isl, native, trunk, trunk encapsulation, Trunking, vlan, vlans, Voice over Internet Protocol, VOIP
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