How to erase all configuration in Cisco ESW 500 Series Switches

Hi anybody,
Anyone show me how to erase or remove configuration file from ESW 500 Series Switches?
Thanks
Thuc

Hi Thuc,
The restart / reset function will allow for local or remote reset of the the unit to Factory defaults, see screen capture below. ;
Alternatively, the Switch can be reset by inserting a paper clip into the RESET opening on the friont of the switch.
Pressing the manual reset for 0 to 10 seconds only reboots the switch.
Pressing the manual reset for longer than 10 seconds results in the switch being reset to factory defaults.
does this answer your question, not exactly sure it does ?
regards Dave

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Connecting two cisco ESW 500 series switches.

Hi Experts,
I have a basic knowledge of network and need some help.
I have two cisco ESW 500 series switches and i want to connect them together.
Q1 # Which type of cable i should use to connect these two switches CrossOver or fiber...What is the advantage of using Fiber over CrossOver. ?
Q2 # What are the marked ports in the image used for...???

tech spec,
Traditionally you would use crossover to connect switches. Most modern network devices have Auto-MDIX which allows the device to connect using either crossover or straight through.
The ports on the right can be used for uplink or as regular network ports. On the 10/100 versions the ports on the right are usually Gigabit, thus making them more suitable for uplink to another switch, etc.
Please mark this thread as answered or reply if you have any additional questions.
- Marty

I want your valuabale opininon on ESW 500 series switches

In my offiec i want to connect 8 accesspoints and 8 smart boad and 8 pcs to a switch the access points are cisco 1240g series and controlled by a wlan controller.
this switch should be connected to a core switch 4507 using fiber.
can i use these esw switches for this

Not sure what you mean by 8 smart boad - can you be more clear on that?
Couple of comments:
- Please note that we recommend the ESW in a Cisco Small Business type deployment with products such as UC500, SR500, AP500. Also, management is via a configuration utility GUI or CCA, not CLI as you would use for the Cisco Catalyst switches. Check this discussion which has a PDF that goes over positioning of the switches- https://www.myciscocommunity.com/message/8385#8385
- Please check the POE requirements you need against the ESW switches - check the question on at Q & A
Q. How many devices can the Cisco ESW 500 Series PoE switches power?

How to erase all data on E71x ?

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1. batter--hard to take it in/out
2. Sync--no contact group function when sync with outlook. I have to group my contact manually
3. Voice command sucks
4. Very hard to hard rese/erase all data after doing the factory configuration
Can anyone tell me how to erase all the data? My steps are as follows:
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2. Enter lock code 12345
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Thank you in advance.

because newer nokia devices have udp- user data preservation feature even if you reset your phone data will remian intact. the only way to truly get rid off your stuff is to use option 3 on this list. understand that you will lose all your data and make sure you ahve a back up of everything you need before doing this. the default code is always 12345. the restore setttings option DOES not remove any data, just restores default settings on your phone.
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Make sure you back up your data as you will lose all of it when you perform option 2 or 3 on this list. The default code for all operations listed here is 12345
2. *#7370# - Reformat your phone
3. This you perform as a last resort. Nothing else is working.If the phone is not showing any activity, proceed with hard formatting , turn off your phone, hold the following buttons while pressing the power button. (the default code is 12345)
hard reset - hold the following buttons *, 3 (number button) and talk/green key. turn on the phone and do not release those buttons until you see the Nokia boot up screen. once you feel the phone power up you can let go off the power button while still holding all three buttons ( for Nokia 5800XM - use the following buttons to do a hard reset, GREEN/RED/CAMERA keys pressed all at once on power up. this will only work on 5800's that have firmware version 20... and up. )
If these codes are not working the only thing for you to do is contact your Nokia Care Center/Service for assistance.
You know what I love about you the most, the fact that you are not me ! In love with technology and all that it can offer. Join me in discovery....

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how to erase all data on macbook pro and reinstall operating system

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https://support.apple.com/en-us/HT3910
http://www.thesafemac.com/how-to-reinstall-mac-os-x-from-scratch/
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Dear Friends,
Does someone knows how to erase all the last 9 dialed numbers that appears in a Treo 750 when the left green (phone Icon) key is pressed?
Just in case, I already tried to erased them using the "Call Log" Menu "delete All Calls" option, but it does no erased the 9 last call numbers listed when the left green (phone Icon) is pressed.
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Alex
Post relates to: Treo 750 (AT&T)

Hi.. Welcome to the Palm forums. Unfortunately there is no easy way to eliminate those last 9 calls. As you have already found out deleting the call log removes the bulk of the log but leaves the last 9. The only way to remove them would be to do a hard reset which would also delete all data on your device. Now you may find a third party application for windows mobile that will help with this issue but there is no simple way to remove those calls.
Message Edited by rhaw on 04-07-2009 04:43 PM

How to erase all datas and reset default

How to erase all datas and factory reset in iMac

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Hi! I'd like to ask how to erase all content and settings if your iphone was stolen? Please help.

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Hi ,
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Ask the Expert: Different Flavors and Design with vPC on Cisco Nexus 5000 Series Switches

Welcome to the Cisco® Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about Cisco® NX-OS.
The biggest limitation to a classic port channel communication is that the port channel operates only between two devices. To overcome this limitation, Cisco NX-OS has a technology called virtual port channel (vPC). A pair of switches acting as a vPC peer endpoint looks like a single logical entity to port channel attached devices. The two devices that act as the logical port channel endpoint are actually two separate devices. This setup has the benefits of hardware redundancy combined with the benefits offered by a port channel, for example, loop management.
vPC technology is the main factor for success of Cisco Nexus® data center switches such as the Cisco Nexus 5000 Series, Nexus 7000 Series, and Nexus 2000 Series Switches.
This event is focused on discussing all possible types of vPC along-with best practices, failure scenarios, Cisco Technical Assistance Center (TAC) recommendations and troubleshooting
Vishal Mehta is a customer support engineer for the Cisco Data Center Server Virtualization Technical Assistance Center (TAC) team based in San Jose, California. He has been working in TAC for the past 3 years with a primary focus on data center technologies, such as the Cisco Nexus 5000 Series Switches, Cisco Unified Computing System™ (Cisco UCS®), Cisco Nexus 1000V Switch, and virtualization. He presented at Cisco Live in Orlando 2013 and will present at Cisco Live Milan 2014 (BRKCOM-3003, BRKDCT-3444, and LABDCT-2333). He holds a master’s degree from Rutgers University in electrical and computer engineering and has CCIE® certification (number 37139) in routing and switching, and service provider.
Nimit Pathak is a customer support engineer for the Cisco Data Center Server Virtualization TAC team based in San Jose, California, with primary focus on data center technologies, such as Cisco UCS, the Cisco Nexus 1000v Switch, and virtualization. Nimit holds a master's degree in electrical engineering from Bridgeport University, has CCNA® and CCNP® Nimit is also working on a Cisco data center CCIE® certification While also pursuing an MBA degree from Santa Clara University.
Remember to use the rating system to let Vishal and Nimit know if you have received an adequate response.
Because of the volume expected during this event, Vishal and Nimit might not be able to answer every question. Remember that you can continue the conversation in the Network Infrastructure Community, under the subcommunity LAN, Switching & Routing, shortly after the event. This event lasts through August 29, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hello Gustavo
Please see my responses to your questions:
Yes almost all routing protocols use Multicast to establish adjacencies. We are dealing with two different type of traffic –Control Plane and Data Plane.
Control Plane: To establish Routing adjacency, the first packet (hello) is punted to CPU. So in the case of triangle routed VPC topology as specified on the Operations Guide Link, multicast for routing adjacencies will work. The hellos packets will be exchanged across all 3 routers and adjacency will be formed over VPC links
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/n5k_L3_w_vpc_5500platform.html#wp999181
Now for Data Plane we have two types of traffic – Unicast and Multicast.
The Unicast traffic will not have any forwarding issues, but because the Layer 3 ECMP and port channel run independent hash calculations there is a possibility that when the Layer 3 ECMP chooses N5k-1 as the Layer 3 next hop for a destination address while the port channel hashing chooses the physical link toward N5k-2. In this scenario,N5k-2 receives packets from R with the N5k-1 MAC as the destination MAC.
Sending traffic over the peer-link to the correct gateway is acceptable for data forwarding, but it is suboptimal because it makes traffic cross the peer link when the traffic could be routed directly.
For that topology, Multicast Traffic might have complete traffic loss due to the fact that when a PIM router is connected to Cisco Nexus 5500 Platform switches in a vPC topology, the PIM join messages are received only by one switch. The multicast data might be received by the other switch.
The Loop avoidance works little different across Nexus 5000 and Nexus 7000.
Similarity: For both products, loop avoidance is possible due to VSL bit
The VSL bit is set in the DBUS header internal to the Nexus.
It is not something that is set in the ethernet packet that can be identified. The VSL bit is set on the port asic for the port used for the vPC peer link, so if you have Nexus A and Nexus B configured for vPC and a packet leaves Nexus A towards Nexus B, Nexus B will set the VSL bit on the ingress port ASIC. This is not something that would traverse the peer link.
This mechanism is used for loop prevention within the chassis.
The idea being that if the port came in the peer link from the vPC peer, the system makes the assumption that the vPC peer would have forwarded this packet out the vPC-enabled port-channels towards the end device, so the egress vpc interface's port-asic will filter the packet on egress.
Differences: In Nexus 5000 when it has to do L3-to-L2 lookup for forwarding traffic, the VSL bit is cleared and so the traffic is not dropped as compared to Nexus 7000 and Nexus 3000.
It still does loop prevention but the L3-to-L2 lookup is different in Nexus 5000 and Nexus 7000.
For more details please see below presentation:
https://supportforums.cisco.com/sites/default/files/session_14-_nexus.pdf
DCI Scenario: If 2 pairs are of Nexus 5000 then separation of L3/L2 links is not needed.
But in most scenarios I have seen pair of Nexus 5000 with pair of Nexus 7000 over DCI or 2 pairs of Nexus 7000 over DCI. If Nexus 7000 are used then L3 and L2 links are required for sure as mentioned on above presentation link.
Let us know if you have further questions.
Thanks,
Vishal

How config dynamic arp inspection for 300 or 500 series ?

Hi Cisco Expert ,
How config dynamic arp inspection for 300 or 500 series ? Do you have clearly document for this solution ? Could you please to share ?
i find in admin guide it's no simple to do
Thank you for kindly support.

Hi Siriphan, using the command line is the easiest way to deal with this.
You need to understand the difference between trusted and untrusted interfaces. The untrusted interfaces are the ports that will be inspected and if not specified within the arp entry list then will get dropped.
Any port you do not want arp inspection to be a part of, you need to trust that port.
Below is how to make a port trusted.
configure terminal
interface fe1
ip arp inspection trust
Once you establish the trusted ports, you can build your arp list.
configure terminal
ip ap inspection list create ARP_INSPECTION (the word after the create can be anything you want)
ip 192.168.100.3 mac-address 64:31:50:1c:50:a1
This is the example of adding 1 entry to your arp list. You can add128 of these entries. These IP/mac binds are the devices that are "safe" from being dropped.
Lastly, you need to enable the arp inspection globally. You DO NOT want to toggle the arp inspection without establishing your interfaces or bind list. If you do not establish your trust interfaces and list first, you will lock down any connection through the switch and essentially brick it.
To toggle the global arp inspection
configure terminal
ip arp inspection
Once you're done, save your running config to the start up config.
-Tom
Please mark answered for helpful posts

Cisco 500 series switches

Dear support,
Can Cisco 500 series switches deliver 24V on the access port for POE operation?
Best Regards

I belive the 802..2F and 802.2at poe standard is strictly 48v. I haven't found anything to the contrary. There are inline convertes 48v-24v or something like this that can be used with a non poe switch: http://www.digital-loggers.com/poe24.html but that means all conected device would be off the same access port / vlan.

How to erase all configuration in Cisco ESW 500 Series Switches

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