• CCNA Vol 1
    • Vol 1 Part 1: Intro
      • All Content Part 1
      • Ch01: Intro to TCP/IP
      • Ch02: Intro to Ethernet
      • Ch03: Intro Routing, WAN
    • Vol 1 Part 2: Ethernet
      • All Content Part 2
      • Ch04: Command Line
      • Ch05: Ethernet Switching
      • Ch06: Switch Management
      • Ch07: Switch Interfaces
    • Vol 1 Part 3: VLANs, STP
      • All Content Part 3
      • Ch08: Virtual LANs
      • Ch09: Spanning Tree
      • Ch10: RSTP and EtherChannel
    • Vol 1 Pt 4: IP Addresses
      • All Content Part 4
      • Ch11: IPv4 Subnetting
      • Ch12: Classful IPv4 Networks
      • Ch13: IPv4 Subnet Masks
      • Ch14: Analyzing IPv4 Subnets
    • Vol 1 Part 5: IP Routing
      • All Content Part 5
      • Ch15: Operating Routers
      • Ch16: Router Addresses and Routes
      • Ch17: Routing in LANs
      • Ch18: Troubleshooting Routing
    • Vol 1 Part 6: OSPF
      • All Content Part 6
      • Ch19: OSPF Concepts
      • Ch20: OSPF Config
      • Ch21: OSPF Network Types
    • Vol 1 Part 7: IPv6
      • All Content Part 7
      • Ch22: IPv6 Fundamentals
      • Ch23: IPv6 Addressing
      • Ch24: Configure IPv6 Addressing
      • Ch25: Configure IPv6 Routing
    • Vol 1 Part 8: Wireless
      • All Content Part 8
      • Ch26: WLAN Fundamentals
      • Ch27: WLAN Architectures
      • Ch28: Securing WLANs
      • Ch29: Building WLANs
  • CCNA Vol 2
    • Vol 2 Part 1: IP ACLs
      • All Content Pt. 1
      • Ch01: TCP/IP Transport
      • Ch02: Standard ACLs
      • Ch03: Extended ACLs
    • Vol 2 Part 2: Security Services
      • All Content Pt. 2
      • Ch04: Security Arch.
      • Ch05: Securing Devices
      • Ch06: Port Security
      • Ch07: DHCP
      • Ch08: DHCP Snooping & DAI
    • Vol 2, Part 3: IP Services
      • All Content Pt. 3
      • Ch09: Device Management Protocols
      • Ch10: NAT
      • Ch11: QoS
      • Ch12: Miscellaneous IP Services
    • Vol 2 Part 4: Architectures
      • All Content Pt. 4
      • Ch13: LAN Architecture
      • Ch14: WAN Architecture
      • Ch15: Cloud Architecture
    • Vol 2 Part 5: Automation
      • All Content Pt. 5
      • Ch16: Controller-Based Networks
      • Ch17: Cisco SDA
      • Ch18: REST and JSON
      • Ch19: Ansible, Puppet, Chef
  • Labs
    • Config Labs, Volume 1
      • All Labs, Volume 1
      • Part 2 – Ethernet
      • Part 3 – VLAN, STP
      • Part 5 – IP Routing
      • Part 6 – OSPF
      • Part 7 – IPv6
    • Config Labs, Volume 2
      • All Labs, Volume 2
      • Part 1 – IP ACLs
      • Part 2 – Security
      • Part 3 – IP Services
    • Free Play Labs
      • All Labs, Volume 1
      • All Labs, Volume 2
  • Q&A
    • Q&A Set #1
    • IPv4 Address Drills
    • IPv4 Mask Drills
    • IPv4 Design Drills
    • IPv4 Network Analysis
    • IPv4 VLSM
    • IPv4-Adv Summary Routes
    • IPv6 Address Drills
    • OSPF Enabler
    • STP vs RSTP
    • STP Puzzle
  • General
    • Career
    • News
    • Study Tips
  • Reference
    • Config Labs
    • Free Play Labs for CCNA
    • Final Review
    Discussions to build real CCNA skills
    • CCNA Vol 1
      • Vol 1 Part 1: Intro
        • All Content Part 1
        • Ch01: Intro to TCP/IP
        • Ch02: Intro to Ethernet
        • Ch03: Intro Routing, WAN
      • Vol 1 Part 2: Ethernet
        • All Content Part 2
        • Ch04: Command Line
        • Ch05: Ethernet Switching
        • Ch06: Switch Management
        • Ch07: Switch Interfaces
      • Vol 1 Part 3: VLANs, STP
        • All Content Part 3
        • Ch08: Virtual LANs
        • Ch09: Spanning Tree
        • Ch10: RSTP and EtherChannel
      • Vol 1 Pt 4: IP Addresses
        • All Content Part 4
        • Ch11: IPv4 Subnetting
        • Ch12: Classful IPv4 Networks
        • Ch13: IPv4 Subnet Masks
        • Ch14: Analyzing IPv4 Subnets
      • Vol 1 Part 5: IP Routing
        • All Content Part 5
        • Ch15: Operating Routers
        • Ch16: Router Addresses and Routes
        • Ch17: Routing in LANs
        • Ch18: Troubleshooting Routing
      • Vol 1 Part 6: OSPF
        • All Content Part 6
        • Ch19: OSPF Concepts
        • Ch20: OSPF Config
        • Ch21: OSPF Network Types
      • Vol 1 Part 7: IPv6
        • All Content Part 7
        • Ch22: IPv6 Fundamentals
        • Ch23: IPv6 Addressing
        • Ch24: Configure IPv6 Addressing
        • Ch25: Configure IPv6 Routing
      • Vol 1 Part 8: Wireless
        • All Content Part 8
        • Ch26: WLAN Fundamentals
        • Ch27: WLAN Architectures
        • Ch28: Securing WLANs
        • Ch29: Building WLANs
    • CCNA Vol 2
      • Vol 2 Part 1: IP ACLs
        • All Content Pt. 1
        • Ch01: TCP/IP Transport
        • Ch02: Standard ACLs
        • Ch03: Extended ACLs
      • Vol 2 Part 2: Security Services
        • All Content Pt. 2
        • Ch04: Security Arch.
        • Ch05: Securing Devices
        • Ch06: Port Security
        • Ch07: DHCP
        • Ch08: DHCP Snooping & DAI
      • Vol 2, Part 3: IP Services
        • All Content Pt. 3
        • Ch09: Device Management Protocols
        • Ch10: NAT
        • Ch11: QoS
        • Ch12: Miscellaneous IP Services
      • Vol 2 Part 4: Architectures
        • All Content Pt. 4
        • Ch13: LAN Architecture
        • Ch14: WAN Architecture
        • Ch15: Cloud Architecture
      • Vol 2 Part 5: Automation
        • All Content Pt. 5
        • Ch16: Controller-Based Networks
        • Ch17: Cisco SDA
        • Ch18: REST and JSON
        • Ch19: Ansible, Puppet, Chef
    • Labs
      • Mega Widget 4
      • Config Labs, Volume 1
        • All Labs, Volume 1
        • Part 2 – Ethernet
        • Part 3 – VLAN, STP
        • Part 5 – IP Routing
        • Part 6 – OSPF
        • Part 7 – IPv6
      • Config Labs, Volume 2
        • All Labs, Volume 2
        • Part 1 – IP ACLs
        • Part 2 – Security
        • Part 3 – IP Services
      • Free Play Labs
        • All Labs, Volume 1
        • All Labs, Volume 2
    • Q&A
      • Q&A Set #1
      • IPv4 Address Drills
      • IPv4 Mask Drills
      • IPv4 Design Drills
      • IPv4 Network Analysis
      • IPv4 VLSM
      • IPv4-Adv Summary Routes
      • IPv6 Address Drills
      • OSPF Enabler
      • STP vs RSTP
      • STP Puzzle
    • General
      • Career
      • News
      • Study Tips
    • Reference
      • Config Labs
      • Free Play Labs for CCNA
      • Final Review
    Answers: Summary Route Practice Set 2
    By certskills
    In 200-301 V1 BBB Not in new books, CCENT-OLD, IPv4-Adv Summary Routes
    Posted February 28, 2014

    Answers: Summary Route Practice Set 2

    This post lists the answers to summary route practice set 2. If you’ve not tried these problems yet, go back, check it out, and come up with the best summary route. Then come back here and check [...]

    READ MORE
    Summary Route Practice Set 2
    By certskills
    In 200-301 V1 BBB Not in new books, CCENT-OLD, IPv4-Adv Summary Routes
    Posted February 24, 2014

    Summary Route Practice Set 2

    Like the other #CCNA summary route practice sets, this post lists three practice problems. Each problem lists a set of subnet/mask pair for existing routes in some router. Your job: choose the [...]

    READ MORE
    Answers: Summary Route Practice Set 1
    By certskills
    In 200-301 V1 BBB Not in new books, CCENT-OLD, IPv4-Adv Summary Routes
    Posted February 21, 2014

    Answers: Summary Route Practice Set 1

    #CCNA (and #CCENT) candidates, here are the answers to that earlier summary route practice set. If you’ve not tried these problems yet, go back, check it out, and come up with the best summary [...]

    READ MORE
    Summary Route Practice Set 1
    By certskills
    In 200-301 V1 BBB Not in new books, CCENT-OLD, IPv4-Adv Summary Routes
    Posted February 17, 2014

    Summary Route Practice Set 1

    Want proof you are ready for #CCNA? Try these route summary drills. The underlying skills require a fair amount of mastery of sub netting, so doing these drills can help prove you are ready for [...]

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    Calculating the Best Summary Route
    By certskills
    In 200-301 V1 BBB Not in new books, CCENT-OLD, IPv4-Adv Summary Routes
    Posted February 14, 2014

    Calculating the Best Summary Route

    Today’s post sets up the topic of how to find a “best” summary route. What does that mean, and how do you do it? Today’s post hits the highlights at least, and points to more info. Other later [...]

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    Answers to Tshoot Drill: OSPF Hello Timer Changed
    By certskills
    In 200-301 V1 Ch20: OSPF Config, 200-301 V1 Part 6: OSPF, Tshoot Drill
    Posted February 10, 2014

    Answers to Tshoot Drill: OSPF Hello Timer Changed

    The previous post changed the OSPF Hello interval (timer) on a WAN serial link. What’s that do to the output of various OSPF commands in our familiar router triangle? What happens to show ip ospf [...]

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    Answer Part 2: VLSM Design Drill #2
    By certskills
    In 200-301 V1 Appendices, CCENT-OLD, IPv4 VLSM
    Posted February 3, 2014

    Answer Part 2: VLSM Design Drill #2

    This post wraps up the answers for VLSM design drill 2. Read the original problem if you didn’t start there, and look at answer, part 1, for the first part of the answer. This post gives the [...]

    READ MORE
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