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Dell PowerConnect 3548p factory reset to reset login credentials

January 25, 2017, 7:37 pm
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Let me start with, I have absolutely no idea what I'm doing!

I received a previously used\configured PowerConnect 3548p that I'll be setting up in a home test lab.  I have my console cable attached, launched PuTTY, fired it up, and get output.  It wants a username\password that I just don't have.

I interrupted normal boot to get into the Startup Menu.  Erased Flash File, then entered a name.  Below is the output on the startup menu I received.

I hoped this would set the password back to a default.  I have tried admin:password, admin:<nothing>, root:calvin.  

[1] Download Software
[2] Erase Flash File
[3] Password Recovery Procedure
[4] Enter Diagnostic Mode
[5] Set Terminal Baud-Rate
[6] Stack menu
[7] Back
Enter your choice or press 'ESC' to exit:
Warning! About to erase a Flash file.

Are you sure (Y/N) ? y
Write Flash file name (Up to 8 characters, Enter for none.):default
File default (if present) will be erased after system initialization.

Exit from boot menu. Continue with flow.

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Dell serie S and IMC

January 26, 2017, 4:57 am
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Hello

Are the switch series S compatible with the HP solution for monitoring

IMC : HP Intelligent Management Center (IMC) version 5.

Regards

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LACP in uplink interfaces

January 26, 2017, 7:29 am
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Hello,

I am trying to create a new Port-channel with ID=9 but appear the next issue:

DELL(conf)#interface port-channel 9

"Error: Command allowed only for uplink Lag"

Thanks!

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PowerConnect 2724 - managed mode button not working

January 27, 2017, 12:41 pm
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Hi, 

so I purchased an used dell PowerConnect 2724. I tought it is working just fine then I did one dum thing nad things got complicated. I set Admin account to a read only mode and it is the only account visible. So now I'm stuck because I can't get it to Unmanaged mode so I could reset it to factory default. I tried this:

- read all user manulas and forums and nothing:)

- pressed MANAGED MODE button for 3sec and it does not reboot to unmanaged mode

- pressed MANAGED MODE button for 90sec nothing

- pressed MANAGED MODE button for 90sec unplug the device holding the button - nothing

- pressed MANAGED MODE button for 90sec unplug the device holding the button for 90sec plug it back in still holding the button - nothing

- opened switch test it with instrument if the button is working and it is

OpenManage
Copyright  © Dell
All Rights Reserved
Version 1.00
Build No. 1.04

So now I'm stuck any other options? - and don't copy user manual please because is not working.

Thank you!

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Multicasting on PowerConnect 3548p going up stream to router

January 28, 2017, 12:42 pm
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I setup vlan2 on eth01.  I have an esxi server attached to eth01 that hosts a vm that multicasts out to other vm's that it's hosting on itself.  I'm using an out of the box network configuration on the esxi host.  No random interfaces or custom configs in the middle to worry about.

I enabled IGMP snooping, bridge multicast filtering, and enabled auto-learning on vlan 2.

When I multicast, traffic is still going upstream to my subpar router which brings the entire network to it's knees.  

Running wireshark on a machine outside of the switch doesn't show broadcast or multicast packets making it to the rest of the network.  It just seems like my 10/100 router is being pummeled.

Is there a way to prevent this multicast traffic from traveling upstream and stay on the switch?  

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MXL 10/40GbE VLT CONFIGURATION

January 30, 2017, 12:11 am
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Hi all,

We would like to implement VLT on our 2 MXL 10/40GbE switches located respectively on A1 and A2 M1000E.

To do that, i will use the 40Gb QSFP+ cables and create a link aggregation between the 2 40Gb interfaces on each switches (see the attachment)

Regarding the configuration i plan to do the following:

A1 switch :

int range fo 1/33-1/37
no shutdown

interface port-channel 127
description “VLT interco”
channel-member fo 1/49
channel-member fo 1/50
no shutdown

vlt domain 1
back-up destination 10.59.250.6
peer-link port-channel 127
primary-priority 1

A2 switch :

int range fo 1/33-1/37
no shutdown

interface port-channel 127
description “VLT interco”
channel-member fo 1/49
channel-member fo 1/50
no shutdown

vlt domain 1
back-up destination 10.59.250.5
peer-link port-channel 127
primary-priority 8192

Regarding the MNGT ip address, is it better to create a dedicated VLAN for the VTL e.g. /30 and so assign on each vlan interface on each switch an ip address rather than the current mgnt ip address?

So i would like to have your feedback to know if this is the good choice and if it'll be working...

FYI:My environment is a production one, normally, there'll be no donwtime during this configuration ?

Many thanks for your comments !

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Stacking between Two Dell4032 Switches & connection with San Storage!!

January 30, 2017, 2:56 am
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Hello,

I have some doubts, kindly help me to figure it out. 

 i just want to know how stack switches behave, like once we made them stack the standby switch will not pass any traffic? there are no need for spanning tree?  will automatically work on active and passive?

what i have done:-

:-there are QSFP module installed into both the switches. form Switch 1 Port 1 connected to Switch two port two, and  switch one port two  connected to switch two port one.  is it ok? or i should connect parallel.? 

now Show Switch command shows  second switch is standby, and on the back panel of the master switch led is solid blue and slave switch led is solid amber. I hope i done well. 

i have, Dell power Vault MD3820I san Storage with two controller card, each controller have two iscsi ports. and i connected both of them with both the switches. 

like:- controller 0/Port0/Switch1/Port2

         Controller 0/Port1/Switch2/Port2

          Controller 1/Port0/switch1/Port3

          Controller 1/port1/switch2/port3

And,

I have Dell Power Edge R720 Server with dual 10G interface, i have installed Red Hat 7.2. 

and done the Bonding between two 10G interface, Active backup mode.  

10G Port/Switch1/Port4

10G Port/Switch2/Port4

Now, the issue i am facing is:-

whenever i try to create Session from dell utility software to manage SAN storage its says time out and when i remove the bonding from 10G interface and use only single interface it works fine.

I am little confused that the issue because of loop or what, may be because of stack switches or do not know what, kindly help me out from this situation and let me know what should i do ? 

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Uploading to a USB device on a N3024 switch

January 30, 2017, 7:23 am
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I have two different stations with the same equipment. The first station I can copy the startup-config to a USB device with no error. On the second station I always receive the file transferred failed error. Same commands being used on both switches. Both switches are the same. Any ideas on what could be causing the error on the second switch?? 

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Uploading to a Force 10 switch

January 30, 2017, 7:26 am
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I am having an issue uploading to a force 10 switch. I am testing my network and copy the config file from the switch to the usb. Then I factory reset the switch and upload the same config file back onto the switch. The file uploads successfully the show run shows that everything is there. Port configurations, username, password etc etc however the network is not working. I have to still hand input the port configurations and the network starts working again. Any ideas on why this is happening ??

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This Week's 5-Star Enterprise Support Articles

January 30, 2017, 11:44 am
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FX2 IO Aggrigator, set root password but the default still works - also unreliable with Putty

January 30, 2017, 5:20 am
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We have a Dell FX2 with dual IOA cards in the back that have 10 gig uplinks (one for storage network, one trunk to regular network).

We set a root password but recently on an internal vulnerability test it came back with an "F" rating for easily guessable SSH credentials - successfully logged in with username: root password: calvin.

The thing is I did try this and got in but the connection dropped right away.  I've never had stability using Putty to SSH directly to the IOA.  I've always had to use Putty to the CMC and then use command to select that IOA switch and basically utilize the CMC as a proxy.

If anyone knows why putty only seems to stay connected when proxied through the CMC, and if anyone knows why the default root/calvin credentials still authenticate when we changed the root password, please let me know.  Thanks!

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Slow network identification.

January 30, 2017, 4:18 pm
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Setup: I just recently purchased a Powerconnect 5324 and migrated my network over to it.  Steps I have taken so far is updating firmware, setting up the webui, assigning it an ip, failed at setting up SNTP so I disabled it since it was not updating with externap servers.  My router which is a Netgear R7000 is also the dhcp server.  

Problem: When a device is connected / power cycles it takes longer than 20 seconds to be able to communicate with the network.  I have tried both static and dhcp ip addresses to see if it made a difference - it does not.  Problem did not exist before converting to this switch and goes away when using old ones so long as its not plugged into this switch but directly in the router.

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Need help setting up VLAN on Dell 5324 Power Connect.

January 31, 2017, 6:17 pm
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Setup: Netgear R7000 as router, dhcp server etc. Dell Power connect as switch. 10 PC Environment need to isolate 1 pc completely by using VLAN.

Question: I want to setup a VLAN on my network to isolate one computer.  I don't want this computer to be able to login to the switch, router or any other pc but I do want it to have full access to the internet.  I have read a few articles and watched videos and I can not configure the Power Connect correctly to put it on a VLAN that will allow access to the internet.  Everytime I do "setup vlan" from what I thought I should be doing it does not gain a IP (could be because router is on 192.168.1.1 not 192.168.2.1).  I tried using static ip and that does allow me access to the VLAN and even the switch if I keep the 192.168.2.2 ip active on it.  But the client is still unable to connect to the internet.  Is there a way to make the internet work on both VLAN 1 (192.168.1.*) and VLAN 2 (192.168.2.*) while still separating the two VLAN's and only assign DHCP ip's using the switch on VLAN2?

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C9000 Network Director

January 31, 2017, 9:50 pm
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Hi,

anyone implemented Dell C9000 Network Director, i can't find any documentation on Dell website.

I'm going to Implement one soon so i want to get my feet wet and be familiar with the technology.

Thanks

Sulaiman

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Dell Powerconnect Conflicted Ip Address & Mac Address

February 1, 2017, 2:01 am
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Hii All

I have a problem with my Dell Powerconnect N3024

first, last week my VLAN2 gateway in my coreswitch was cannot access(192.168.2.5) , so i remove the VLAN gateway because all user and distribution switch in VLAN2 cannot make a connection to the coreswitch, then i was created a new VLAN2 but i cannot use the same ip address before, so i change it to new on (192.168.2.245). then the problem was solve, the user and the distribution can access the coreswitch, but when i check the log from coreswitch today, there is an error

it says " Address conflict detected for IP: 192.168.2.245. Conflicting Host MAC: f8:b1:56:5a:d8:85"

"IP address conflict on interface Vl2 for IP address 192.168.2.245. Conflicting host MAC address is f8:b1:56:5a:d8:85."

anyone can help??is it had a correlation with slowly access in my network??

nb: here the full log capture

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N1548 stackable switch TFTP woes - using Solarwinds TFTP Server

February 1, 2017, 5:05 am
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Hi all,

We have a Dell "N1548 " switch, and we are attempting to TFTP from it, to our PC's. So far we are having issues. We can see that the TFTP Server recognises the server.

Within the main firewall, we have basically created an "any any" access list, to allow all communication from this switch to our desktops. There are NO ACLs configured on the switch. WIndows firewall is turned off, however we receive this message:


"

#copy running-config tftp://myipaddress/x.txt


Transfer Mode.................................. TFTP
Server IP Address..............................myipaddress
Destination File Path.......................... ./
Destination Filename........................... x.txt
Data Type...................................... Config Script
Source Filename................................ running-config

Management access will be blocked for the duration of the transfer
Are you sure you want to start? (y/n) y


TFTP Configuration Script transfer starting...

0 bytes transferred...
File transfer failed!

"

I can PING to this address, and we can traceroute as well. See:

"

BW-1GB-SW-01#ping myipaddress
Pinging myipaddress with 0 bytes of data:

Reply From myipaddress: icmp_seq = 0. time= 69221 usec.
Reply From myipaddress: icmp_seq = 1. time= 18150 usec.
Reply From myipaddress: icmp_seq = 2. time= 17597 usec.
Reply From myipaddress icmp_seq = 3. time= 17742 usec.

----myipaddress PING statistics----
4 packets transmitted, 4 packets received, 0% packet loss
round-trip (msec) min/avg/max = 17/30/69"

"

BW-1GB-SW-01#traceroute myipaddress

Traceroute to myipaddress ,30 hops max 0 byte packets:

1 mydefaultgateway <1 ms <1 ms <1 ms
2 myipaddress <1 ms * <1 ms


Hop Count = 2 Last TTL = 2 Test attempt = 6 Test Success = 5"

This is the same for directly connected networks too. We can't see there being any issues regarding say the firewall, as we allowed any traffic through, and still we get this error. The file does "transfer" as such, but it transfers with 0 bytes of data. See the below response that we get from the SolarWinds TFTP Server as well. This works much the same, whether you name the file as "x.backup" or "x.bak" or "x.txt" 



Any help would be appreciated,

Thanks

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Vlan Mirroring

February 1, 2017, 9:39 am
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I have a new call recording software that we are trying to install.. And we need to be able to do "VLAN mirroring" on our dell 6248P switches.. Does any know how to do this.. I need command line help please. 

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Force10 S4810 Private VLAN interface mode

February 2, 2017, 1:55 am
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I'm trying to configure interface to private-vlan mode trunk, but this fails with: % Error: Po 48 Port is part of a non-default VLAN.

This interface is configured as follows:
interface Port-channel 48
 no ip address
 portmode hybrid
 switchport
 sflow enable
 vlt-peer-lag port-channel 48
 no shutdown

And it has normal (non-PVLAN) untagged and multiple tagged VLANs already configured.

As I experimented this on another unused interface, I was only able to configure PVLAN trunk mode when all of the VLAN tags had been removed from the interface.

The interface I'm trying to configure is critical for production. So I would not like to remove VLAN tags from it.

Is there any way to configure private-vlan mode without removing VLANs and causing connection outages for normal VLANs?

The switch in question is in VLT domain with another switch and the aforementioned port-channel leads to another identical switch setup with VLT domain. So the port-channel has total of two links (one per switch).

{ sw1 --- sw2 }- VLT domain 1
   |       |
{ sw3 --- sw4 }- VLT domain 2

I had one idea to minimize downtime and interruptions was to do this on both switches of the configured link at the same time. So for example I would simultanously remove vlans, configure PVLAN mode and re-add vlans on the first sw1/sw3 pair and after that same for sw2/sw4 pair. My management connections originate from a network attached to sw1/sw2, but AFAIK I should be able to maintain management connection to the other side through the sw3/sw4 VLT interconnect. This of course would be done during maintenance window.

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General Mode Acceptable for Trunking?

February 2, 2017, 8:33 am
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Hi All,

I am a Cisco guy, supporting an international site that has a new Powerconnect switch they want to put into production. The Powerconnect needs to connect to other switches and permit vlan 1, 100,110,120,130 & 140.  I've reviewed a copy of their configuration and while formal trunk mode would have been best, this is what they've done below instead for the switch-to-switch ports.  I know a simple "switchport mode trunk" would have been easier, but if the below works just as well I'd rather leave it be and not make a request for them to have to change it, but I will if required.


Can anyone confirm?


interface range ethernet 2/e(15-16)
switchport general allowed vlan add 1
exit

interface range ethernet 2/e(15-16)
switchport general allowed vlan add 100
exit

interface range ethernet 2/e(15-16)
switchport general allowed vlan add 110
exit

interface range ethernet 2/e(15-16)
switchport general allowed vlan add 120
exit

interface range ethernet 2/e(15-16)
switchport general allowed vlan add 130
exit

interface range ethernet 2/e(15-16)
switchport general allowed vlan add 140
exit

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How to configure VLAN DATA and Voice VLAN in a same PORT in DELL POWERCONNECT

February 3, 2017, 8:35 am
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Hi all, I'm new here, I'm looking for how to configure VLAN DATA and Voice VLAN in a same port.

Currently, I'm using a Dell powerconnect 5524, What I want to do is, have three vlan in three ports.

1 VLAN for data, 1 vlan for voice, and 1 vlan for Voice and data.
But how to ?? Please wait for your help, I already managed to create the first two vlans. But I do not know how to set up voice and data vlans in the same port. I need the CLI comand's for my case.

I would appreciate it

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