Tag Archives: Dell

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

Blocking Hackers From Accessing Your Switch via Telnet/SSH

Posted on October 21, 2012 by Humair

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 | Leave a comment

Gratuitous ARP and Basics of Connecting a Cisco IOS Switch with a Cisco CatOS Switch

Posted on October 15, 2012 by Humair

Some of you may have an old Cisco Catalyst switch laying around that you may want to put to use. CatOS is the old Cisco operating system for Catalyst switches that predates IOS; it can still be found on some … Continue reading →

Posted in Cisco, Labs, Networking, Protocols, Technology | Tagged 1000Base-SX, 1000Base-SX GBI, CAM, Catalyst 3548-XL, Catalyst 3550, Catalyst 4003, Catalyst C4000, Catalyst C4003, CatOS, Cisco, Cisco 1000Base-SX, Cisco 1000Base-SX GBIC, Cisco Catalyst, Cisco Catalyst 3548-XL, Cisco Catalyst 3550, Cisco Catalyst 4000, Cisco Catalyst 4003, Cisco Catalyst C4003, Cisco CatOS, Cisco GBIC, Cisco IOS, Cisco WS-X4012, Cisco WS-X4232-GB-RJ, Cisco WS-X4232-L3, delete configuration, Dell, Dell EqualLogic, Dell EqualLogic storage, EqualLogic, erase configuration, GBIC, Gratuitous ARP, ios, IXIA, MAC address, MAC address table, reset configuration, Supervisor Engine, Supervisor Engine 1, Supervisor Engine 2, Supervisor Engine I, Supervisor Engine II, Windows PC, wireshark, WS-C3548-XL-EN, WS-X4012, WS-X4232-GB-RJ, WS-X4232-L3 | 1 Comment

Advanced Private VLAN Configuration on Dell Force10 Switches

Posted on July 17, 2012 by Humair

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 | Leave a comment

Dell Force10 Z9000 – Creating Additional Layer 2 Isolation via Private VLANs

Posted on July 7, 2012 by Humair

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 | 2 Comments

Recover from a Forgotten Console Password on Dell Force10 E-Series Switches

Posted on November 18, 2011 by Humair

In this lab I will use a Dell Force10 E600i chassis [FTOS 8.3.1.1] to demonstrate how to recover if you forget your console password. The first thing to do to prepare for this lab is to log on through the … Continue reading →

Posted in Dell Force10, Force10 Networks, Networking, Technology | Tagged BOOT_ADMIN mode, console password, Dell, Dell Force10, Dell Force10 E600i, E-Series, E600, E600i, enable password, Force10 Networks, forgot console password, forgot enable password, forgot password, FTOS, password recovery, Recover from a Forgotten Console Password on Dell Force10 E-Series Switches, router, set console password, switch | 1 Comment