Enviar pesquisa
Carregar
CCNP Switching Chapter 9
•
Transferir como PPTX, PDF
•
1 gostou
•
470 visualizações
Chaing Ravuth
Seguir
CCNP Switching Chapter 9
Leia menos
Leia mais
Educação
Denunciar
Compartilhar
Denunciar
Compartilhar
1 de 26
Baixar agora
Recomendados
CCNP ROUTE V7 CH8
CCNP ROUTE V7 CH8
Chaing Ravuth
CCNP Switching Chapter 7
CCNP Switching Chapter 7
Chaing Ravuth
CCNP Switching Chapter 6
CCNP Switching Chapter 6
Chaing Ravuth
CCNP ROUTE V7 CH2
CCNP ROUTE V7 CH2
Chaing Ravuth
CCNP Switching Chapter 5
CCNP Switching Chapter 5
Chaing Ravuth
CCNP Switching Chapter 8
CCNP Switching Chapter 8
Chaing Ravuth
CCNP Switching Chapter 2
CCNP Switching Chapter 2
Chaing Ravuth
CCNA4 Verson6 Chapter1
CCNA4 Verson6 Chapter1
Chaing Ravuth
Recomendados
CCNP ROUTE V7 CH8
CCNP ROUTE V7 CH8
Chaing Ravuth
CCNP Switching Chapter 7
CCNP Switching Chapter 7
Chaing Ravuth
CCNP Switching Chapter 6
CCNP Switching Chapter 6
Chaing Ravuth
CCNP ROUTE V7 CH2
CCNP ROUTE V7 CH2
Chaing Ravuth
CCNP Switching Chapter 5
CCNP Switching Chapter 5
Chaing Ravuth
CCNP Switching Chapter 8
CCNP Switching Chapter 8
Chaing Ravuth
CCNP Switching Chapter 2
CCNP Switching Chapter 2
Chaing Ravuth
CCNA4 Verson6 Chapter1
CCNA4 Verson6 Chapter1
Chaing Ravuth
CCNA2 Verson6 Chapter4
CCNA2 Verson6 Chapter4
Chaing Ravuth
CCNA3 Verson6 Chapter3
CCNA3 Verson6 Chapter3
Chaing Ravuth
CCNA3 Verson6 Chapter10
CCNA3 Verson6 Chapter10
Chaing Ravuth
CCNP ROUTE V7 CH3
CCNP ROUTE V7 CH3
Chaing Ravuth
CCNP Switching Chapter 3
CCNP Switching Chapter 3
Chaing Ravuth
CCNP ROUTE V7 CH1
CCNP ROUTE V7 CH1
Chaing Ravuth
CCNA2 Verson6 Chapter2
CCNA2 Verson6 Chapter2
Chaing Ravuth
CCNP ROUTE V7 CH7
CCNP ROUTE V7 CH7
Chaing Ravuth
CCNA2 Verson6 Chapter8
CCNA2 Verson6 Chapter8
Chaing Ravuth
CCNP Switching Chapter 1
CCNP Switching Chapter 1
Chaing Ravuth
CCNP Switching Chapter 4
CCNP Switching Chapter 4
Chaing Ravuth
CCNP ROUTE V7 CH6
CCNP ROUTE V7 CH6
Chaing Ravuth
CCNA2 Verson6 Chapter9
CCNA2 Verson6 Chapter9
Chaing Ravuth
CCNA 2 Routing and Switching v5.0 Chapter 3
CCNA 2 Routing and Switching v5.0 Chapter 3
Nil Menon
CCNA3 Verson6 Chapter7
CCNA3 Verson6 Chapter7
Chaing Ravuth
CCNA3 Verson6 Chapter8
CCNA3 Verson6 Chapter8
Chaing Ravuth
CCNA2 Verson6 Chapter5
CCNA2 Verson6 Chapter5
Chaing Ravuth
CCNA4 Verson6 Chapter4
CCNA4 Verson6 Chapter4
Chaing Ravuth
CCNP ROUTE V7 CH5
CCNP ROUTE V7 CH5
Chaing Ravuth
CCNA3 Verson6 Chapter2
CCNA3 Verson6 Chapter2
Chaing Ravuth
Virtual Switch System.pdf
Virtual Switch System.pdf
TrungNguyen335833
Week4(1)(1)
Week4(1)(1)
trayyoo
Mais conteúdo relacionado
Mais procurados
CCNA2 Verson6 Chapter4
CCNA2 Verson6 Chapter4
Chaing Ravuth
CCNA3 Verson6 Chapter3
CCNA3 Verson6 Chapter3
Chaing Ravuth
CCNA3 Verson6 Chapter10
CCNA3 Verson6 Chapter10
Chaing Ravuth
CCNP ROUTE V7 CH3
CCNP ROUTE V7 CH3
Chaing Ravuth
CCNP Switching Chapter 3
CCNP Switching Chapter 3
Chaing Ravuth
CCNP ROUTE V7 CH1
CCNP ROUTE V7 CH1
Chaing Ravuth
CCNA2 Verson6 Chapter2
CCNA2 Verson6 Chapter2
Chaing Ravuth
CCNP ROUTE V7 CH7
CCNP ROUTE V7 CH7
Chaing Ravuth
CCNA2 Verson6 Chapter8
CCNA2 Verson6 Chapter8
Chaing Ravuth
CCNP Switching Chapter 1
CCNP Switching Chapter 1
Chaing Ravuth
CCNP Switching Chapter 4
CCNP Switching Chapter 4
Chaing Ravuth
CCNP ROUTE V7 CH6
CCNP ROUTE V7 CH6
Chaing Ravuth
CCNA2 Verson6 Chapter9
CCNA2 Verson6 Chapter9
Chaing Ravuth
CCNA 2 Routing and Switching v5.0 Chapter 3
CCNA 2 Routing and Switching v5.0 Chapter 3
Nil Menon
CCNA3 Verson6 Chapter7
CCNA3 Verson6 Chapter7
Chaing Ravuth
CCNA3 Verson6 Chapter8
CCNA3 Verson6 Chapter8
Chaing Ravuth
CCNA2 Verson6 Chapter5
CCNA2 Verson6 Chapter5
Chaing Ravuth
CCNA4 Verson6 Chapter4
CCNA4 Verson6 Chapter4
Chaing Ravuth
CCNP ROUTE V7 CH5
CCNP ROUTE V7 CH5
Chaing Ravuth
CCNA3 Verson6 Chapter2
CCNA3 Verson6 Chapter2
Chaing Ravuth
Mais procurados
(20)
CCNA2 Verson6 Chapter4
CCNA2 Verson6 Chapter4
CCNA3 Verson6 Chapter3
CCNA3 Verson6 Chapter3
CCNA3 Verson6 Chapter10
CCNA3 Verson6 Chapter10
CCNP ROUTE V7 CH3
CCNP ROUTE V7 CH3
CCNP Switching Chapter 3
CCNP Switching Chapter 3
CCNP ROUTE V7 CH1
CCNP ROUTE V7 CH1
CCNA2 Verson6 Chapter2
CCNA2 Verson6 Chapter2
CCNP ROUTE V7 CH7
CCNP ROUTE V7 CH7
CCNA2 Verson6 Chapter8
CCNA2 Verson6 Chapter8
CCNP Switching Chapter 1
CCNP Switching Chapter 1
CCNP Switching Chapter 4
CCNP Switching Chapter 4
CCNP ROUTE V7 CH6
CCNP ROUTE V7 CH6
CCNA2 Verson6 Chapter9
CCNA2 Verson6 Chapter9
CCNA 2 Routing and Switching v5.0 Chapter 3
CCNA 2 Routing and Switching v5.0 Chapter 3
CCNA3 Verson6 Chapter7
CCNA3 Verson6 Chapter7
CCNA3 Verson6 Chapter8
CCNA3 Verson6 Chapter8
CCNA2 Verson6 Chapter5
CCNA2 Verson6 Chapter5
CCNA4 Verson6 Chapter4
CCNA4 Verson6 Chapter4
CCNP ROUTE V7 CH5
CCNP ROUTE V7 CH5
CCNA3 Verson6 Chapter2
CCNA3 Verson6 Chapter2
Semelhante a CCNP Switching Chapter 9
Virtual Switch System.pdf
Virtual Switch System.pdf
TrungNguyen335833
Week4(1)(1)
Week4(1)(1)
trayyoo
CCNA Discovery 3 - Chapter 3
CCNA Discovery 3 - Chapter 3
Irsandi Hasan
configuring_cisco_stackwise_virtual.pdf
configuring_cisco_stackwise_virtual.pdf
AbdulfattahAssad
SCE 1
SCE 1
Ruben Salazar
Scalable midsize data center designs
Scalable midsize data center designs
Jing Bai
Frame Relay
Frame Relay
Ajit Yadav
The Hitch-Hikers Guide to Data Centre Virtualization and Workload Consolidation:
The Hitch-Hikers Guide to Data Centre Virtualization and Workload Consolidation:
Cisco Canada
CCNA 2 Routing and Switching v5.0 Chapter 5
CCNA 2 Routing and Switching v5.0 Chapter 5
Nil Menon
Overview on cisco catalyst 3750 switches,features, technology, intelligent sw...
Overview on cisco catalyst 3750 switches,features, technology, intelligent sw...
IT Tech
PLNOG14: Service orchestration in provider network, Tail-f - Przemysław Borek
PLNOG14: Service orchestration in provider network, Tail-f - Przemysław Borek
PROIDEA
Cisco catalyst 3850 switch stacking
Cisco catalyst 3850 switch stacking
IT Tech
Dcna technology update
Dcna technology update
Ramana Rongala
Cisco catalyst 3850 series switches datasheet
Cisco catalyst 3850 series switches datasheet
3Anetwork com
Huawei net engine5000e core router chassis and features
Huawei net engine5000e core router chassis and features
Huanetwork
vlan
vlan
Sunrise Dawn
Chapter 5 Routing.pptx
Chapter 5 Routing.pptx
AyaanMohamed4
Examen1ccna3v5.0
Examen1ccna3v5.0
Juan Carlos Banegas
Day 14.1 vlan
Day 14.1 vlan
CYBERINTELLIGENTS
Chapter 16 : inter-vlan routing
Chapter 16 : inter-vlan routing
teknetir
Semelhante a CCNP Switching Chapter 9
(20)
Virtual Switch System.pdf
Virtual Switch System.pdf
Week4(1)(1)
Week4(1)(1)
CCNA Discovery 3 - Chapter 3
CCNA Discovery 3 - Chapter 3
configuring_cisco_stackwise_virtual.pdf
configuring_cisco_stackwise_virtual.pdf
SCE 1
SCE 1
Scalable midsize data center designs
Scalable midsize data center designs
Frame Relay
Frame Relay
The Hitch-Hikers Guide to Data Centre Virtualization and Workload Consolidation:
The Hitch-Hikers Guide to Data Centre Virtualization and Workload Consolidation:
CCNA 2 Routing and Switching v5.0 Chapter 5
CCNA 2 Routing and Switching v5.0 Chapter 5
Overview on cisco catalyst 3750 switches,features, technology, intelligent sw...
Overview on cisco catalyst 3750 switches,features, technology, intelligent sw...
PLNOG14: Service orchestration in provider network, Tail-f - Przemysław Borek
PLNOG14: Service orchestration in provider network, Tail-f - Przemysław Borek
Cisco catalyst 3850 switch stacking
Cisco catalyst 3850 switch stacking
Dcna technology update
Dcna technology update
Cisco catalyst 3850 series switches datasheet
Cisco catalyst 3850 series switches datasheet
Huawei net engine5000e core router chassis and features
Huawei net engine5000e core router chassis and features
vlan
vlan
Chapter 5 Routing.pptx
Chapter 5 Routing.pptx
Examen1ccna3v5.0
Examen1ccna3v5.0
Day 14.1 vlan
Day 14.1 vlan
Chapter 16 : inter-vlan routing
Chapter 16 : inter-vlan routing
Mais de Chaing Ravuth
CCNP ROUTE V7 CH4
CCNP ROUTE V7 CH4
Chaing Ravuth
CCNP Switching Chapter 10
CCNP Switching Chapter 10
Chaing Ravuth
CCNA4 Verson6 Chapter8
CCNA4 Verson6 Chapter8
Chaing Ravuth
CCNA4 Verson6 Chapter7
CCNA4 Verson6 Chapter7
Chaing Ravuth
CCNA4 Verson6 Chapter6
CCNA4 Verson6 Chapter6
Chaing Ravuth
CCNA4 Verson6 Chapter5
CCNA4 Verson6 Chapter5
Chaing Ravuth
CCNA4 Verson6 Chapter3
CCNA4 Verson6 Chapter3
Chaing Ravuth
CCNA4 Verson6 Chapter2
CCNA4 Verson6 Chapter2
Chaing Ravuth
CCNA2 Verson6 Chapter3
CCNA2 Verson6 Chapter3
Chaing Ravuth
CCNA2 Verson6 Chapter1
CCNA2 Verson6 Chapter1
Chaing Ravuth
CCNA2 Verson6 Chapter10
CCNA2 Verson6 Chapter10
Chaing Ravuth
Mais de Chaing Ravuth
(11)
CCNP ROUTE V7 CH4
CCNP ROUTE V7 CH4
CCNP Switching Chapter 10
CCNP Switching Chapter 10
CCNA4 Verson6 Chapter8
CCNA4 Verson6 Chapter8
CCNA4 Verson6 Chapter7
CCNA4 Verson6 Chapter7
CCNA4 Verson6 Chapter6
CCNA4 Verson6 Chapter6
CCNA4 Verson6 Chapter5
CCNA4 Verson6 Chapter5
CCNA4 Verson6 Chapter3
CCNA4 Verson6 Chapter3
CCNA4 Verson6 Chapter2
CCNA4 Verson6 Chapter2
CCNA2 Verson6 Chapter3
CCNA2 Verson6 Chapter3
CCNA2 Verson6 Chapter1
CCNA2 Verson6 Chapter1
CCNA2 Verson6 Chapter10
CCNA2 Verson6 Chapter10
Último
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17
Celine George
Paris 2024 Olympic Geographies - an activity
Paris 2024 Olympic Geographies - an activity
GeoBlogs
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Pooja Nehwal
Mattingly "AI & Prompt Design: The Basics of Prompt Design"
Mattingly "AI & Prompt Design: The Basics of Prompt Design"
National Information Standards Organization (NISO)
Sanyam Choudhary Chemistry practical.pdf
Sanyam Choudhary Chemistry practical.pdf
sanyamsingh5019
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
QucHHunhnh
CARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptx
GaneshChakor2
Student login on Anyboli platform.helpin
Student login on Anyboli platform.helpin
RaunakKeshri1
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
anjaliyadav012327
The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13
Steve Thomason
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Sapana Sha
Measures of Central Tendency: Mean, Median and Mode
Measures of Central Tendency: Mean, Median and Mode
Thiyagu K
Interactive Powerpoint_How to Master effective communication
Interactive Powerpoint_How to Master effective communication
nomboosow
Advance Mobile Application Development class 07
Advance Mobile Application Development class 07
Dr. Mazin Mohamed alkathiri
Z Score,T Score, Percential Rank and Box Plot Graph
Z Score,T Score, Percential Rank and Box Plot Graph
Thiyagu K
1029 - Danh muc Sach Giao Khoa 10 . pdf
1029 - Danh muc Sach Giao Khoa 10 . pdf
QucHHunhnh
mini mental status format.docx
mini mental status format.docx
PoojaSen20
Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)
eniolaolutunde
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across Sectors
Association for Project Management
Arihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdf
chloefrazer622
Último
(20)
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17
Paris 2024 Olympic Geographies - an activity
Paris 2024 Olympic Geographies - an activity
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Mattingly "AI & Prompt Design: The Basics of Prompt Design"
Mattingly "AI & Prompt Design: The Basics of Prompt Design"
Sanyam Choudhary Chemistry practical.pdf
Sanyam Choudhary Chemistry practical.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
CARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptx
Student login on Anyboli platform.helpin
Student login on Anyboli platform.helpin
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Measures of Central Tendency: Mean, Median and Mode
Measures of Central Tendency: Mean, Median and Mode
Interactive Powerpoint_How to Master effective communication
Interactive Powerpoint_How to Master effective communication
Advance Mobile Application Development class 07
Advance Mobile Application Development class 07
Z Score,T Score, Percential Rank and Box Plot Graph
Z Score,T Score, Percential Rank and Box Plot Graph
1029 - Danh muc Sach Giao Khoa 10 . pdf
1029 - Danh muc Sach Giao Khoa 10 . pdf
mini mental status format.docx
mini mental status format.docx
Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across Sectors
Arihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdf
CCNP Switching Chapter 9
1.
© 2007 –
2016, Cisco Systems, Inc. All rights reserved. Cisco Public SWITCH v7 Chapter 9 1 High Availability CCNP SWITCH: Implementing Cisco IP Switched Networks
2.
Chapter 9 2© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Chapter 9 Objectives This chapter covers the following Cisco Catalyst switch features: The need and basic idea behind switch stacking and VSS StackWise The benefits of StackWise Verifying StackWise VSS VSS benefits Verifying VSS Supervisor redundancy Supervisor redundancy modes
3.
Chapter 9 3© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public The Need for Logical Switching Architectures
4.
Chapter 9 4© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public The Need for Logical Switching Architectures Access switchs needs its own uplink to each of the distribution switches to satisfy the redundancy requirements, but one of the uplinks has to be blocked by the Spanning Tree Protocol (STP) to prevent a loop, thus cutting the bandwidth in half. To overcome some of these limitations, Cisco proposes the following virtualization solutions. • StackWise: Focused on the access layer module • VSS: Focused on the aggregation layer module
5.
Chapter 9 5© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public What Is StackWise?
6.
Chapter 9 6© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public What Is StackWise? Cisco StackWise technology provides a method for collectively utilizing the capabilities of a stack of switches. Configuration and routing information is shared by every switch in the stack, creating a single switching unit. Switches can be added to and deleted from a working stack without affecting performance. The stack is managed as a single unit by a master switch, which is elected from one of the stack member switches.
7.
Chapter 9 7© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public StackWise Details Each stack of switches has a single IP address and is managed as a single object. This allows each switch in the stack to share the same network topology, MAC address, and routing information. Catalyst 3750-E, 3750-X, and 3850 series switches support StackWise and StackWise Plus. StackWise Plus is an evolution of StackWise. StackWise Plus supports local switching, so locally destined packets need not traverse the stack ring. Catalyst 3850 series supports StackWise-480 with improved 480-Gbps stacking. Catalyst 2960-S series supports FlexStack, aStackWise-based feature tailored for Layer 2 switches. FlexStack is limited to four stacked switches.
8.
Chapter 9 8© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public StackWise Benefits
9.
Chapter 9 9© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Verifying StackWise
10.
Chapter 9 10© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public What Is VSS?
11.
Chapter 9 11© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public What Is VSS? Virtual Switching System (VSS) is a network system virtualization technology that combines a pair of Catalyst 4500 or 6500 series switches into one virtual switch, increasing the operational efficiency, boosting nonstop communications, and scaling the system bandwidth capacity. The VSS simplifies network configuration and operation by reducing the number of Layer 3 routing neighbors and by providing a loop-free Layer 2 topology.
12.
Chapter 9 12© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public What Is VSS? The VSL is made of up to eight 10 Gigabit Ethernet connections bundled into an EtherChannel. VSL carries the control plane communication between the two VSS members, in addition to regular data traffic. Once the VSS is formed, only the control plane of one of the members is active. The data plane and switch fabric of both members are active. Both chassis are kept in sync with the interchassis SSO mechanism, along with NSF to provide nonstop communication even in the event of failure of one of the member supervisor engines or chassis.
13.
Chapter 9 13© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public VSS Benefits VSS increases operational efficiency by reducing switch management overhead and simplifying the network. It provides a single point of management, IP address, and routing instance. Neighbors see the VSS as a single Layer 2 switching or Layer 3 routing node, thus reducing the control protocol traffic. VSS provides a single VLAN gateway IP address, removing the need for the first-hop redundancy protocol (HSRP, VRRP, GLBP), Multichannel EtherChannel (MEC) allows you to bundle links to two physical switches in VSS, creating a loop-free redundant topology without the need for STP. Interchassis stateful failover results in no disruption to applications that rely on network state information. VSS eliminates Layer 2 / Layer 3 protocol reconvergence if a virtual switch member fails, resulting in deterministic subsecond virtual switch recovery.
14.
Chapter 9 14© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public VSS Benefits
15.
Chapter 9 15© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Verifying VSS To verify the status of VSS configuration, use the following commands: show switch virtual show switch virtual link show switch virtual role show switch virtual link port-channel
16.
Chapter 9 16© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Verifying VSL
17.
Chapter 9 17© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Redundant Switch Supervisors
18.
Chapter 9 18© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Redundant Switch Supervisors The Cisco supervisor engine module is the heart of the Cisco modular switch platforms. The supervisor provides centralized forwarding information and processing. All software processes of a modular switch are run on a supervisor. Redundant supervisors are highly recommended for the aggregation and core layer so that they might help provide faster convergence in case of the primary supervisor failure. Platforms such as the Catalyst 4500, 6500, and 6800 series can accept two supervisor modules that are installed in a single chassis, thus removing a single point of failure. The first supervisor module to successfully boot becomes the active supervisor for the chassis. The other supervisor remains in a standby role, waiting for the active supervisor to fail. The active supervisor provides all switching functions. The standby supervisor, however, is allowed to boot and initialize only to a certain level. When the active module fails, the standby module can proceed to initialize any remaining functions and take over the active role.
19.
Chapter 9 19© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Supervisor Redundancy Modes Redundant supervisor modules can be configured in several modes. Redundancy mode limits the standby supervisor’s state of readiness. SSO allows for NSF.
20.
Chapter 9 20© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Supervisor Redundancy Modes Route processor redundancy (RPR) • The redundant supervisor is only partially booted and initialized. When the active module fails, the standby module must reload every other module in the switch and then initialize all the supervisor functions. Route processor redundancy plus (RPR+) • The redundant supervisor is booted, allowing the supervisor and route engine to initialize. No Layer 2 or Layer 3 functions are started. When the active module fails, the standby module finishes initializing without reloading other switch modules. This allows switch ports to retain their state. Stateful switchover (SSO) • The redundant supervisor is fully booted and initialized. Both the startup and running configuration contents are synchronized between the supervisor modules. Layer 2 information is maintained on both supervisors so that hardware switching can continue during a failover. The state of the switch interfaces is also maintained on both supervisors so that links do not flap during a failover.
21.
Chapter 9 21© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Stateful Switchover The redundant supervisor engine starts up in a fully initialized state and synchronizes with the startup configuration and the running configuration of the active supervisor engine. The standby supervisor in SSO mode also keeps in sync with the active supervisor engine for all changes in hardware and software states for features that are supported via SSO. Any supported feature interrupted by failure of the active supervisor engine is continued seamlessly on the redundant supervisor engine.
22.
Chapter 9 22© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Nonstop Forwarding NSF is an interactive method that focuses on quickly rebuilding the Routing Information Base (RIB) table after a supervisor switchover. The RIB is used to generate the Forwarding Information Base (FIB) table for CEF, which is downloaded to any switch modules that can perform CEF. NSF with SSO redundancy includes the standard SSO for Layer 2 switching; however, it also minimizes the amount of time that a Layer 3 network is unavailable following a supervisor engine switchover by continuing to forward IP packets using CEF entries built from the old active supervisor.
23.
Chapter 9 23© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Chapter 9 Summary The need and basic idea behind switch stacking and VSS StackWise The benefits of StackWise Verifying StackWise VSS VSS benefits Verifying VSS Supervisor redundancy Supervisor redundancy modes
24.
Chapter 9 24© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public None Chapter 9 Labs
25.
Chapter 9 25© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public
26.
Chapter 9 26© 2007
– 2016, Cisco Systems, Inc. All rights reserved. Cisco Public Acknowledgment • Some of the images and texts are from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) by Richard Froom and Erum Frahim (1587206641) • Copyright © 2015 – 2016 Cisco Systems, Inc. • Special Thanks to Bruno Silva
Baixar agora