Cisco switch 2960X vs 9200
2. Why migrate? Cisco Catalyst 9200 Series Switches are Cisco’s latest addition to the fixed enterprise switching access platform, and are built for security, resiliency, and programmability. These switches play an integral role as entry-level switches in Cisco Software-Defined Access (SD-Access), Cisco’s lead enterprise architecture. The 9200 Series provides enterprise-level resiliency and keeps your business up and running seamlessly with FRU power supplies and fans, modular uplinks, cold patching, perpetual Power over Ethernet (PoE), and the industry’s highest Mean Time Between Failures (MTBF). The Cisco Catalyst 9200 Series has a highly flexible uplink architecture with options for fixed and modular uplinks that support 1-Gbps and 10-Gbps speeds. The platform offers 1-Gbps copper Ethernet switches with 40-Gbps uplink bandwidth and high-performance stacking with the Cisco StackWise® 160/80 stacking bandwidth solution. Cisco StackWise architecture provides industry-leading scale (416 ports per stack) and flexibility of deployment for the platform. It offers support for a leading Stateful Switchover (SSO) resiliency architecture in a stackable solution. The Cisco Catalyst 9200 Series also has a highly resilient and efficient power architecture with support for redundant power supplies, which delivers a high density of PoE+ ports. The switches provide industry-leading PoE resiliency capabilities, such as perpetual and fast PoE, optimizing them for Internet-of-Things (IoT) deployments. They support the most efficient power supplies in the industry with available platinum- and silver-rated power supplies. The Cisco Catalyst 9200 Series Switches are also built with the latest Cisco Unified Access® Data Plane 2.0 (UADP 2.0) mini Application-Specific Integrated Circuit (ASIC) and an internal ARM based CPU with open Cisco IOS® XE Software, a converged operating system. Together, they deliver model-driven programmability, streaming telemetry, application visibility, stronger security with MACsec and support for higher-bandwidth uplinks, and a more advanced operating system than the Cisco Catalyst 2960-X Series. System hardware The Cisco Catalyst 9200 Series is based on Cisco’s UADP 2.0 mini ASIC architecture and an internal ARM CPU architecture. This allows the switch to run with the Cisco IOS-XE operating system, which enables the switch to support standard YANG models through NETCONF or RESTCONF and to run scripts natively within the switch. © 2019 Cisco and/or its affiliates. All rights reserved.
1. © 2018 Cisco and/or its affiliates. All rights reserved. Migration guide Cisco public Migration G uide f rom C isco C atal yst 2 9 6 0 - X Se r ies t o 9 2 00 Series The new Cisco Catalyst® 9000 switching family is the next generation in the legendary Cisco® Catalyst family of enterprise LAN access, aggregation, and core switches. Cisco Catalyst 9200 Series switches extend the power of intent-based networking and Catalyst 9000 hardware and software innovation to a broader set of deployments. Compared to the scale and feature richness the of Catalyst 9300 Series switches, Catalyst 9200 Series switches focus on offering features for the mid-market and simple branch deployments. With its family pedigree, Catalyst 9200 Series offers simplicity without compromise –it is secure, always on and provides IT simplicity. Introduction Purpose of this guide This document is intended to help network planners and engineers who are familiar with the Cisco Catalyst 2960-X Series Switches deploy the Cisco Catalyst 9200 Series Switches in the enterprise networking environment. © 2019 Cisco and/or its affiliates. All rights reserved. Cisco Catalyst 2960-X Series Cisco Catalyst 9200 Series NEW
10. Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Hierarchical QoS Supported Not supported Queues 2P6Q3T (8 Queues) 2P6Q3T (Up to 8 Queues) Classification Ingress and Egress Ingress only Marking Ingress and Egress Ingress only Policing 1r2c, 2r3c 1r2c Sampler rate 1 out of 2 to 1 out of 1024 1 out of 32 to 1 out of 1022 Policing action Drop, mark down using Table Maps, (DSCP, CoS, Precedence) Drop, mark down DSCP, CoS, precedence Egress queuing YES – Shaping, Bandwidth, tail-drops (AFD, WRED) and priority queuing WTD (Weighted Tail Drp), Priority queueing, Shaping, Bandwidth Table 12 lists other QoS specifications in the Cisco Catalyst 2960-X Series and Catalyst 9200 Series. Table 12. QoS specifications in the Cisco Catalyst 2960-X Series and Catalyst 9200 Series Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Buffer 6 MB/ASIC 4 MB/ASIC Buffer sharing Buffer sharing is within the ASIC Buffer sharing is within the ASIC Number of priority queues 0 to 2 0 to 1 © 2019 Cisco and/or its affiliates. All rights reserved.
11. Congestion avoidance The Cisco Catalyst 2960-X Series supports only Weighted Tail Drop (WTD), which discards packets based on configured thresholds. The Cisco Catalyst 9200 Series uses both WTD and Weighted Random Early Detection (WRED), which randomly discards packets at specified queue thresholds based on IP precedence, Differentiated Services Code Point (DSCP), or Class of Service (CoS), giving the network architect much more control over the drop behavior. Following is an example of a WRED configuration on the 9200 Series. policy-map 2P6Q3T class PRIORITY-QUEUE priority level 1 class VIDEO-PRIORITY-QUEUE priority level 2 class DATA-QUEUE bandwidth remaining percent <number> queue-buffers ratio <number> random-detect dscp-based random-detect dscp 10 percent 60 80 Cisco Catalyst 2960-X Series platform-specific commands Table 13 lists commands that are specific to the Cisco Catalyst 2960-X Series and are not available on the Catalyst 9200 Series. Table 13. Cisco Catalyst 2960-X Series platform-specific commands Cisco Catalyst 2960-X Series Cisco Catalyst 9200 Series vlan internal allocation policy ascending Not applicable ntp update-calendar Not applicable ip device tracking See Appendix A Conclusion The Cisco Catalyst 9200 Series is Cisco’s latest addition to our fixed enterprise switching access platform. It is the new generation of the access platform, with many additional capabilities, and is well-suited for enterprises looking to migrate from their existing Cisco Catalyst 2960-X Series deployment. © 2019 Cisco and/or its affiliates. All rights reserved.
12. Appendix A If your device has no legacy IP device-tracking or IPv6 snooping configurations, you can use only the new SISF-based device-tracking commands for all your future configurations. The legacy IPDT commands and IPv6 snooping commands are not available. Table 14 displays the new SISF-based device-tracking commands and the corresponding IPDT and IPv6 snooping commands. Table 14. IPDT, IPv6 snooping, and device-tracking CLI compatibility IP device tracking IPv6 snooping SISF-based device tracking IP device tracking probe count Not supported Not supported IP device tracking probe delay ipv6 neighbor binding reachable-lifetime device-tracking policy reachable-lifetime IP device tracking probe interval ipv6 snooping tracking retry-interval device-tracking policy retry-interval IP device tracking probe use-svi Accepted and interpreted as IP device tracking probe auto-source override Accepted and interpreted as IP device tracking probe auto-source override. IP device tracking probe auto-source fallback Not supported Not supported IP device tracking probe auto-source override Not supported Not supported IP device tracking tracebuffer Not supported Not supported IP device tracking maximum ipv6 snooping policy <name> limit device-tracking snooping policy <name> limit IP device tracking probe count Not supported Not supported IP device tracking probe interval Not supported Not supported Clear IP device tracking all Not supported Not supported © 2019 Cisco and/or its affiliates. All rights reserved. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: https://www.cisco.com/go/trademarks . Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R) C07-741480-01 07/19 How to buy To view buying options and speak with a Cisco sales representative, visit www.cisco.com/c/en/us/buy.
6. Operations Interface reference Cisco Catalyst 9200 Series Switches have Gigabit Ethernet (GE) and 10-GE ports only. The uplink ports on the Catalyst 2960-X Series had <Type><Slot#>/<Bay#>/<Port#>, whereas the 9200 Series has <Type><Switch#>/<Bay#>/<Port#>. Table 5 compares the interface numbering between the two platforms. Table 5. Interface numbering Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series GE downlink GigabitEthernet1/0/1 GigabitEthernet1/0/1 mGig downlink Tw1/0/1 None GE uplink GigabitEthernet1/1/1 GigabitEthernet1/0/49 10-GE uplink Te1/1/1 Te1/0/1 25-GE uplink TwentyFiveGigE1/1/1 None Stacking The StackWise160/80 architecture on the Catalyst 9200 Series provides a more robust and highly available infrastructure when compared to FlexStack Plus or Extended on the Catalyst 2960-X Series. In StackWise160/80, eight switches can be stacked together to form a single logical switch with support for SSO mechanisms. This enables 1:1 redundancy during failovers. This 1:1 redundancy allows for a role of a standby switch, which would take over the role of the active switch, an improvement over the FlexStack architecture, where the failure of master switch would cause a re-election between the stack members. Table 6 compares the stacking architecture between the Catalyst 2960-X and Catalyst 9200 Series Switches. Table 6. Stacking comparison between Catalyst 2960-X and 9200 switches Catalyst 9200 Catalyst 2960-X Series Stacking architecture StackWise FlexStack Stacking SSO Yes No Stacking bandwidth Up to 160 Gbps Up to 80 Gbps Switch roles Active, standby, member Master, member © 2019 Cisco and/or its affiliates. All rights reserved.
8. Full Flexible NetFlow Both the Catalyst 9200 Series and the Catalyst 2960-X Series support Flexible NetFlow. Besides the scalability differences, there are a few differences in the capabilities and configurations, as listed in Table 8. Table 8. Flexible NetFlow differences Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Flow support Ingress and egress Ingress only Export formats Version 9 and Version 10 Version 9 NetFlow support on L2 VLAN Yes No Sampler rate 1 out of 2 to 1 out of 1024 1 out of 32 to 1 out of 1022 Timestamp Use absolute time [0 is at time 00:00:00 January 1, 1970] Use system uptime Bridged traffic Apply the flow monitor to a VLAN None Boot mode The Catalyst 9200 Series supports the monolithic bundle boot mode as w ell as the optimized install boot mode, whereas the Catalyst 2960-X Series supports only the traditional bundle mode. All Catalyst 9200 switches ship with the default install boot mode. Table 9 compares the boot mechanism between the two platforms. Table 10 shows how to ignore the startup configuration. Table 9. Boot modes on Catalyst 2960-X and Catalyst 9200 Series Switches Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Boot modes Install, bundle Bundle Default Install mode (recommended) Bundle mode Boot configuration C9K# install add file flash:cat9k_xxx.bin a ctivate commit C2960XR-2010(config)#boot system flash:c2960x-xx.152.bin © 2019 Cisco and/or its affiliates. All rights reserved.
9. Table 10. Ignoring the startup configuration Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Cisco IOS Software 9200L-1(config)#system ignore startup config switch ? <1-8> Switch number all Set config for all switches in stack ROMMON SWITCH_IGNORE_STARTUP_CFG=1 Confreg , use the interactive prompt to enable/ disable ignore startup configuration Switch reset The Cisco Catalyst 2960-X Series uses the traditional “write erase” command in Cisco IOS Software and deleting of the configuration file and vlan.dat file in ROMMON to reset the switch. The Cisco Catalyst 9200 Series provides an exec “factory-reset” command that removes all customer-specific data that has been added to the device since the time of its shipping. Erased data includes configurations, log files, boot variables, core files, and credentials. The device reloads to perform the factory-reset task and stays in ROMMON mode. Quality of service The ASICs and operating system that power the Cisco Catalyst 2960-X and Catalyst 9200 Series are different, resulting in some differences in QoS behaviors, as described in Table 11. Table 11. QoS differences between the 9200 and 2960-X Switches Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Model MQC MLS QoS default Enabled Disabled Trust interface configuration Tr ust all Trust none Port ingress Classification/Policing/Marking Classification/Policing/Marking/Scheduling Port egress Policing/Marking/Queueing Queueing and scheduling SVI ingress Classification/Marking Not supported SVI egress Classification/Marking Not supported © 2019 Cisco and/or its affiliates. All rights reserved.
4. System software With a consistent hardware architecture and a shared code base with the rest of the Catalyst 9000 family, the Catalyst 9200 Series inherits enhanced functionalities that otherwise would not be supported on Catalyst 2960-X switches. These feature sets provide increased resiliency and security through features such as MACsec, Cisco SD-Access, and support for Cisco TrustSec®. Table 2 lists the major system software differences between Cisco Catalyst 2960-X Series and 9200 Series switches. Table 2. System software differences Feature Catalyst 9200 Series Catalyst 2960X-Series Modern operating system OS IOS-XE IOS Model-driven programmability Streaming telemetry Patching License upgrade Cisco Plug and Play (PnP) Advanced routing Virtual Route Forwarding (VRF) support Intermediate System to Intermediate System (IS-IS) Enhanced Interior Gateway Routing Protocol (EIGRP) Open Shortest Path First (OSPF) Fabric SD-Access Fabric Edge Security IEEE 802.1X MACsec-128 Cisco TrustSec Security Group Access Control List (SGACL) First-Hop Security (FHS) Network visibility Full Flexible NetFlow Ingress and egress NetFlow © 2019 Cisco and/or its affiliates. All rights reserved.
7. Catalyst9200#show switch Switch/Stack Mac Address : 0xxe.xxxx.axxx - Local Mac Address Mac persistency wait time: Indefinite H/W Current Switch# Role M ac Address P riority V ersion S tate ------------------------------------------------------------------- *1 Active 0 xxe.xxxx.axxx 1 P 2B R eady 2 Standby 0 x7x.xx0x.5xx0 1 P 2B R eady Catalyst2960-X#show switch Switch/Stack Mac Address : 2xx2.xxxx.x1x0 H/W Current Switch# Role M ac Address P riority V ersion S tate ---------------------------------------------------------- *1 Master 2 xx2.xxxx.x1x0 1 4 R eady 7 Member x xx7.xxxx.x6x0 1 4 R eady Software features For details on the features supported on the Cisco Catalyst 9200 Series, use the Feature Navigator on cisco.com. For customers migrating from the Cisco Catalyst 2960-X Series to the 9200 Series, following are the only feature differences: System MTU On the Cisco Catalyst 9200 Series, the global command “system mtu <1500-9198>” sets the global MTU for all interfaces, whereas on 2960-X Series the command to set MTU was “system mtu jumbo <1500-9198>”. With the Cisco Catalyst 9200 Series, the IP MTU is a per-interface-level command that sets a protocol-specific MTU for the interface. Table 7 explains how to set the system MTU. Table 7. Setting the system MTU Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series System MTU C9200(config)#system mtu ? <1500-9198> MTU size in bytes C2960-X(config)# system mtu jumbo ? <1500-9198> MTU size in bytes IP MTU C9200(config)# int te 1/3 C9200(config-if)#ip mtu ? <832-1500> MTU (bytes) C2960-X(config)# system mtu routing Host tracking feature The Cisco Catalyst 2960-X Series supports IP Device Tracking (IPDT) for keeping track of connected hosts (association of MAC and IP addresses). The Cisco Catalyst 9200 Series, with the latest Cisco IOS XE Software release, supports the new Switch Integrated Security Features (SISF) based on the IPDT feature. It acts as a container policy that enables snooping and device-tracking features available with First-Hop Security (FHS), in both IPv4 and IPv6, using IP-agnostic Command-Line Interface (CLI) commands. See Appendix A for more information on migrating from the IPDT CLI configuration to the new SISF- based device-tracking CLI configuration. © 2019 Cisco and/or its affiliates. All rights reserved.
3. Table 1 lists the system hardware differences between the Cisco Catalyst 2960-X Series and 9200 Series. Table 1. Comparison of the Cisco Catalyst 2960-X Series and 9200 Series system hardware Catalyst 9200 Series Catalyst 2960X-Series Programmable ASIC Yes No CPU Embedded quad core CPU @ 1.4 Ghz Dual core CPU @ 600 MHz DRAM (DDR3) 4 GB/2 GB 512 MB Flash on board 4 GB Up to 256 MB mGig Ports Yes No 25G uplinks Yes No Stacking (module) StackWise-160/80 FlexStack-Plus/Extended module Number of stack members 8 8 Stack bandwidth 160 Gbps/80 Gbps 80 Gbps Power supply 2 FRUable PS FRUable on 2960-XR Platinum Rated Power supply Yes No Max PoE budget 1440W 740W Modular uplinks Yes No Modular fans Yes No Max depth 13.8 in. 16 in. Blue Beacon Yes No RFID Yes No © 2019 Cisco and/or its affiliates. All rights reserved.
5. System default behavior The system default behavior on Cisco Catalyst 9200 Series switches are very much the same as that of the Cisco Catalyst 2960-X Series. For example, interfaces default to the layer 2 switch-port mode and IP routing is disabled. However, there are also some differences: • Management interface - The management interface on the Cisco Catalyst 9200 Series is Gigabit Ethernet, which is much more capable than the Fast Ethernet on the Catalyst 2960-X Series. The management port on the Catalyst 9200 platform has dedicated Virtual Routing and Forwarding (VRF) for separation of management traffic from normal data traffic, unlike the Catalyst 2960-X series platforms, which lack support for virtual VRF instance. Table 3 lists the management port differences between the two platforms. Table 3. Comparison of management interface default configurations on Catalyst 2960-X and 9200 switches Cisco Catalyst 9200 Series Cisco Catalyst 2960-X Series Interface GigabitEthernet 0/0 FastEthernet0 VRF Mgmt-vrf none Default configuration interface GigabitEthernet0/0 vrf forwarding Mgmt-vrf no ip address speed 1000 negotiation auto end interface FastEthernet0 no ip address no ip route-cache shutdown end • Control Plane Policing (CoPP) - CoPP is enabled on the Cisco Catalyst 9200 Series with default policing rates for different classes of traffic. These policing rates are optimized for a typical campus environment. The policing rates can be changed or disabled for different application environments. On the Cisco Catalyst 2960-X Series, CoPP is not enabled by default, but the system provides a macro to create the different classes, and the user can specify the policing rate for different classes. • Power redundancy - The Cisco Catalyst 9200 Series provides support for dual power supplies on all SKUs, compared to dual power supplies only on 2960-XR SKUs. In the Catalyst 9200 Series, the power supplies operate either on combined or redundant modes based on data or the PoE+ model, whereas all Catalyst 2960-XR switches operate in redundant mode. Table 4 compares the power capabilities of the Catalyst 9200 Series with those of the Catalyst 2960-X Series. Table 4. Power capabilities comparison between Catalyst 2960-X and Catalyst 9200 series Catalyst 9200 Catalyst 2960-X Series Number of power supply slots 2 on all SKUs 2 on 2960-XR, 1 on 2960-X Power supplies • Silver-rated 125 WAC • Platinum-rated 600 WAC • Platinum-rated 1000 WAC • 250 WAC • 640 WAC • 1025 WAC Available full PoE+ Yes, with dual power supplies No External redundant power supply No Yes, with Cisco RPS 2300 Power mode Combined mode on PoE SKUs, Redundant mode on data SKUs Redundant mode © 2019 Cisco and/or its affiliates. All rights reserved.
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