Cisco Nexus Series Switches vs. Juniper EX Series Switches

It fits perfectly in all our data centers where we are using it. For small companies or smaller racks or something. I don't think it fits there because Cisco Nexus Series Switches is a big one. It's the most advanced one.

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They work great as core switches, data center switches, top of rack switches. They can even serve as routers, their routing capability is great, except for where you need lots of routing processing power. I would not use many of them for branch office switches though, due to noise and slowness of bootup

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• Continuous system operation:
• Maintenance, upgrades, and software certification can be performed without service interruptions because of the modular nature of NX-OS and features such as In-Service Software Upgrade (ISSU) and the capability for processes to restart dynamically
• FabricPath:
• Enables each device to build an overall view of the topology; this is similar to other link state routing protocols. Each device in the FabricPath topology is identified by a switch-id. The Layer 2 forwarding tables are built based on reachability to each switch-id, not by the MAC address. Eliminates spanning-tree to maximize network bandwidth and flexibility in topological configurations, as well as simplify operational support and configuration. This enables a tremendous amount of flexibility on the topology because you can now build FabricPath topologies for Layer 2-based networks the same as for Layer 3-based networks
• Overlay Transport Virtualization (OTV): Enables the Layer 2 extension between distributed data centers over any transport Layer 3 network

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• Very stable.
• Cost efficient
• Easy management
• Great Juniper 24*7 TAC support
• Different variants available for different requirements.
• Easy to replace faulty hardware

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• Implementing jumbo frames on interfaces of its fabric extender series (N2k, etc.) by editing the network QoS does not have to be a global configuration that would affect all its interfaces. It can be improved to become just an interface configuration.
• Licensing on the NXOS is a bit complicated and expensive. I understand that the Nexus is made for core data center switching but it does not have to break the bank.
• OTV technology is for Nexus only. Based on the advantage of the technology, it should be made vendor-neutral to accommodate other vendor devices.

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• Virtual chassis new switch has overwritten existing config if not performed in a particular way.
• Applying a configuration to a range of interfaces could be done in a better way.
• Applying firewall rules to multiple security zones could be done a little more efficiently.

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Actually if we need to implement or develop our actual DC we will use Cisco Nexus Series Switches again. The solution is well known and we will be able to interconnect easily the switches, as we're not using all the possibilities of features we know what is solution is a long term solution.

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The platform has a good performance. The major issue is all the bugs you can discover across the operations, and it can be a big challenge depending on the number of Cisco Nexus Series Switches you have deployed. In our case, we own more than 200 Cisco Nexus Series Switches 9k, and we face an upgrade process, it could be a long time project to grant a new software deployment in all our switches platform.

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The Mist portal is extremely easy to use. I only have a few issues with it. The configuration between Mist and the CLI is not uniform. If you push some command line configurations to the switch, they won't be mirrored in Mist. You need to use the CLI portion on the switch config page to push some CLI only configurations. If you want to remove those lines, you need remember to do the inverse of the config. You need to make sure your juniper admins understand this as well. Simply removing the line from the CLI text box of the Mist page does not remove the config line from the switch itself.

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it is reliable and we seldom encounter outages for the switches

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These switches are very fast. They've been designed to work within the data center. We connect them to Cisco UCS-B Mini servers with the storage being directly attached. They are able to handle the data traffic pretty easily. We can also move servers pretty fast from data center to data center without overloading them. This has allowed our company to stay running during any kind of conditional outage. We have come to really rely on them for business continuity.

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Overall, Cisco has great products and I believe that they believe in the philosophy of a great customer experience. Although there have been a few technical support issues that caused a lot of company anxiety, in most cases, Cisco has gone above and beyond in making a valiant effort to help the customer solve any issues.

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When you open ticket, normally a L2 support engineer request support file and give you a valid fast solution. They replace switch if no solution are available due to minimize downtime

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Trainer didn't has good handon experience.. he was bookish trainer.

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Never had it

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Since we already have exposure to other Cisco switching products, the implementation of these switches is very seamless;

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The Cisco 9000 stacks up quite well against the Cisco Catalyst 3850 switches. The additional features available in the Nexus 9000, such as VPN, FCoE, 40 gigabits, give us the ability to support the future needs of the company in our data center. The Nexus 9000 allowed us to condense our core and aggregation environment that comprised of 2 Catalyst 6504 and 2 Catalyst 6509 to a port of Nexus 9000. Although the Catalyst 3850 would be sufficient to handle routing, those features in the Nexus 9000 made it the clear choice for us.

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Juniper EX Switches are far more reliable than NETGEAR Ethernet Switches. The Juniper EX Series Switches offer a wider scope of options for configuration. The EX switches can be deployed faster and easier to configure. The Juniper EX Series Switches offer more value for their price point than most switches on the market, in my opinion

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No, all good

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The Nexus 3000 series switches are data center switches, so I would say they have similar security ability to other switches in this segment. I don't have a lot of experience doing more than basic ACL security on switches, but I know these can be integrated into other security solutions like Cisco ISE and 802.1x authentication. It could also be integrated into an ACI solution to add micro segmentation, which would bring in other security functions.

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their professional services is ok and support provided is good

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• We expected the switches to provide ROI and they did as advertised.
• NX-OS was pretty similar to IOS so the learning curve was pretty low.
• Being a Non-Profit we need to be extremely cost conscience and buy gear that has a long shelf life. Nexus line of switches met this objective.

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• The Juniper EX Series Ethernet Switches have provided a life span beyond what our replacement cycle allots, which allows us to have more time to budget for replacements.
• The initial purchase price is very competitive with other enterprise network switching companies.

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