EncartaLabs

Accelerated Interoperability & Troubleshooting HP Networks

( Duration: 5 Days )

In Accelerated Interoperability & Troubleshooting HP Networks training course, Participants learn to design and implement multivendor networks that include HP A-Series, HP E-Series, and Cisco switches. The course focuses on the key differences between platforms, such as VLAN configuration, Spanning Tree Protocol (STP), Open Shortest Path First (OSPF), link aggregation, and Network Address Translation (NAT).

By attending Accelerated Interoperability & Troubleshooting HP Networks workshop, Participants will learn to:

  • Design and implement multivendor networks containing HP A-Series, HP E-Series, and Cisco switches and routers
  • Identify and solve issues that can arise when combining vendor-specific proprietary protocols and industry-standard IEEE-based protocols
  • Support and correct issues in LAN switching and in routed, multiple subnet network deployments
  • Develop a troubleshooting methodology to isolate and correct problems in complex networks

IT professionals who design, implement, and support network solutions based on HP A-Series, HP E-Series, and Cisco switches and technologies, including systems engineers, systems designers, customer IT staff, and HP services field and call center support engineers.

COURSE AGENDA

1

HP Networking Interoperability

  • Multivendor networks: challenges and opportunities
  • Interoperability goals
2

Switch Management

  • Enabling basic remote management
  • Management scenario 1
    • Cisco
    • HP A-Series
    • HP E-Series
  • Setting up a Dynamic Host Configuration Protocol (DHCP) server on an HP A-Series switch
  • IMC discovery
  • Advanced and secured management
  • Management scenario 2
    • Cisco
    • HP A-Series
  • Information center on HP A-Series switches
    • Classification of system information
    • Eight levels of system information
    • Seven output destinations and ten channels of system information
    • Ten channels of system information
    • Default output rules of system information
    • Info-center source
  • Configuring SNMP NMS
  • LLDP and CDP
  • IEEE 802.1AB LLDP and CDP
    • HP E-Series
    • HP A-Series
    • Cisco
  • Useful show and display commands
3

VLANs

  • Configuring and managing VLANs
  • Terminology
    • Access, trunk, and hybrid ports on HP A-Series switches
  • VLAN configuration scenario
  • VLAN configuration on Cisco
    • VLAN creation and trunk ports
    • Access and voice ports
  • VLAN routing on Cisco
  • DHCP relay on Cisco
  • VLAN configuration on HP A-Series
    • VLAN creation and trunk ports
    • Access and voice ports
  • VLAN routing on HP A-Series
  • DHCP relay on HP A-Series
  • VLAN configuration on HP E-Series
  • VLAN routing on HP E-Series
  • DHCP relay on HP E-Series
  • Dynamic VLAN creation: VLAN trunking protocol (VTP) and GARP VLAN Registration Protocol (GVRP)
  • VTP vs. GVRP
  • GVRP and VTP on the same network
  • GVRP operations
  • Trunk and static VLANs: A best practice?
4

Link Aggregation

  • Multiple Spanning Tree Protocol (MSTP) regions
  • MSTP BPDUs
  • Common Spanning Tree
  • Setup required to enable load balancing
  • Mapping VLANs to MST instances
  • Is MSTP "aware" of the VLAN setup?
  • MSTP design options
  • Setting up VLANs on uplinks
  • Instances and VLAN settings: Activity
  • MSTP setting: Activity
  • Adding a new VLAN on a switch implementing MSTP
  • Assigning a VLAN to an MST instance
  • Strategies to place VLANs in MSTP instances
  • MSTP: Path costs
  • Configuring MSTP
  • IOS requirements for MSTP on Cisco
  • Cisco and HP MSTP scenario
    • HP A-Series switch configurations
    • HP E-Series switch configurations
  • Troubleshooting MSTP
  • Conclusion: MSTP on Cisco and HP switches
5

Implementing MSTP on Cisco and HP Switches

  • Per-VLAN Spanning Tree Plus (PVST+) and Spanning Tree Protocol (STP) interoperability
  • STP/Rapid STP (RSTP) vs. Cisco PVST+/Rapid PVST+
  • PVST+ vs. MSTP
  • Spanning Tree BPDUs
  • Cisco PVST+
    • BPDUs sent on trunk ports
    • BPDUs sent on access ports
  • Spanning Tree BPDUs
  • BPDUs sent and interpreted
  • Resulting topology
  • STP: Port cost differences
  • Cisco and HP scenario 1
    • PVST+/STP interoperability
    • VLAN topologies
  • Considering STP port cost differences
  • Cisco and HP scenario 1
    • Cisco switch configurations
    • HP A-Series switch configuration
    • HP E-Series switch configuration
  • Setup required in VLAN 1
  • Cisco view in other VLANs
  • Cisco and HP scenario 2: Cisco switch configurations
  • Other Cisco switches in the access layer
  • Purpose of load balancing
  • Cisco and HP scenario 3: HP in aggregation
    • With MSTP and PVST+
    • Configuration
6

Interoperability Among PVST+, Rapid PVST+, and MSTP

  • Disabling STP on HP edge switches
  • What happens when STP is disabled on the HP edge switch?
  • Configuring the HP switch to disable STP
  • Configuring smart link
  • Smart link on HP A-Series switches
  • Simple smart link configuration
  • Smart link and load balancing
    • Topology change mechanisms
  • Smart link status
  • Configuring monitor link
  • Monitor link on HP A-Series switches
  • Monitor link configuration
7

Redundancy without STP

  • Spanning Tree problems
  • Hardening STP
  • Spanning Tree hardening features
  • Setting edge ports and non-edge ports
  • UDLD and DLDP
    • Interoperability
  • Why unidirectional links cause problems
  • STP hardening on edge ports
  • BPDU guard = BPDU protection
  • HP loop protect (HP E-Series)
  • TCN guard
  • BPDU filter: Disabling STP on individual ports
  • STP hardening on Cisco
  • STP hardening on HP A-Series
  • STP hardening on HP E-Series
  • STP hardening on uplinks
  • Root guard
    • Spanning Tree root guard configuration
  • Loop guard
    • Spanning Tree loop guard configuration
8

Link Aggregation

  • Link aggregation and interoperability
  • Link aggregation modes
    • Interoperability between modes: What works?
  • Link aggregation load balancing options
  • IRF, link aggregation, and interoperability
    • IRF in the distribution layer
    • IRF in the distribution and access layers
    • IRF in the core and distribution layers
  • Static link aggregation configuration
  • Static LACP link aggregation configuration
  • VLAN trunking and link aggregation
  • Troubleshooting link aggregation
9

Virtual IP Protocols

  • Virtual IP concepts
  • HSRP, GLBP, and Virtual Router Redundancy Protocol (VRRP) comparison
    • Interoperability
    • Authentication
    • Preempt delay
    • Load balancing
    • Tracking interface and remote IP
    • Stateful NAT
    • Virtual MAC
    • Multicast IP
  • Comparing IRF to virtual IP protocols
  • VRRP on Cisco
  • Virtual IP design cases
  • Default gateway redundancy with HSRP and VRRP
  • Default gateway redundancy with IRF
    • Operational planes (control, management, and forwarding)
    • Operational planes in IRFv2
  • Load balancing with GLBP and VRRP (HP A-Series devices)
  • Load balancing with IRF
  • Next hop router in static routes: Case Studies
  • Next hop router in static routes with IRF
  • Preemption and preempt delay
  • No preempt delay needed with IRF
  • Tracking interfaces with VRRP or HSRP
  • Tracking remote IP addresses
  • Tracking with IRF and NQA
  • Configuring virtual IP protocols
  • HSRP configuration example
  • GLBP configuration example
  • VRRP configuration example on HP A-Series
  • VRRP tracking remote IP on HP A-Series
    • Example output for display and debugging commands
  • VRRP configuration example on HP E-Series
10

Routing with OSPF

  • Scenarios for configuring OSPF neighbors
  • OSPF neighboring: Scenario 1-1
    • Best practices
  • OSPF DR election: Scenario 1-2
    • Other best practices
  • OSPF authentication
  • OSPF neighbors: Scenario 1-4
    • Purpose of the configurations displayed
    • When to initiate a graceful restart
    • Requirements for implementing graceful restart
    • What happens on each router when you initiate a graceful restart on HP1
    • Commands for enabling OSPF graceful restart
  • OSPF neighbors: Scenario 1-5
    • Why it is relevant to use BFD between the three routers
    • BFD transmit timers negotiated between HP1 and Cisco3
    • Values recommended for the timers
    • What will happen if INT VLAN10 fails on HP1
  • OSFP area scenarios
  • OSPF area summarization: Scenario 2-1
    • How the ABR filters networks
    • Default value for router ID
    • How and why to configure the ABR to send a default route to routers in an area
  • OSPF area summarization: Scenario 2-2
  • OSPF passive interface: Scenario 2-3
    • Use cases
  • OSPF area and redistribution scenarios
  • OSPF redistribution: Scenario 3-1
  • OSPF redistribution: Scenario 3-2
  • OSPF redistribution: Scenario 3-3
  • OSPF redistribution: Scenario 4-1
    • Use cases
  • OSPF redistribution: Scenario 4-1 implications
    • Configuration for Cisco
    • Limitations of the solution
  • OSPF redistribution: Scenario 4-2
    • Alternate configuration with ip prefix-list
    • Alternate configuration with filter-policy export
  • OSPF default route injection: Scenario 5
    • Additional reference
11

Network Address Translation

  • Internet access with dynamic NAT
  • NAT and Internet access: Scenario 1
    • NAPT configuration on the HP A-Series switch
    • Introduction to connection limit
  • Internal servers with static NAT
  • Internal servers and NAT: Scenario 2
  • Internal servers and NAT: Scenario 3
  • Using static NAT for overlapping networks
  • Overlapping networks: Scenario 4
    • Alternative configuration with dynamic NAT
12

Troubleshooting Methodologies and Practices

  • Troubleshooting methodology
  • Problem solving methodology
  • Identification and analysis
  • Hypothesis and validation
  • Implementation and verification
13

Layer 1 (Physical Layer) Troubleshooting and Problem Resolution

  • "It's the cable"
  • Physical layer symptoms
14

Layer 2 (Data Link Layer) Troubleshooting and Problem Resolution

  • Switching
  • VLANs
  • Switch VLAN port types
  • Link aggregation
  • Link Aggregation Control Protocol (LACP)
  • Configurable LACP states
  • Static vs. dynamic link aggregation
  • Spanning Tree
  • Basic IRF concepts
  • How IRF simplifies networks
15

Layer 3 (Network Layer) Troubleshooting and Problem Resolution

  • Forwarding between VLANs
  • VRRP basics
  • OSPF basics
  • External and internal Border Gateway Protocol (BGP)
  • NAT
  • Static and dynamic NAT
16

Layer 4 (Transport Layer) Troubleshooting and Problem Resolution

  • Troubleshooting TCP/UDP
  • Firewalls
  • Firewall types
  • NAT
17

Layer 5 (Application Layer) Troubleshooting and Problem Resolution

  • QoS process flow
  • 802.1p traffic prioritization
  • Traffic marking by an end station
  • Retaining priority between VLANs
  • Normal priority data traffic
18

Troubleshooting an End-to-End Complex, Integrated Multiprotocol

  • Maintaining stable network operations

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