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3424 - Stack and LAG

May 15, 2015, 12:13 pm
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Im doing sort of a proof of concept, and I just want to make sure this will even work on these switches because i'm not finding a way in the web interface that makes this look like it is possible.....

I'd like to stack 2 switches on both ends of a connection, and then use a copper and fiber run for a LAG to the stack. Ideally i'd put the fiber in one stack member and the copper in the other stack member. That way if I lose one member, I still have a connection via the other.

Best I can tell, the stack ports work fine in that I can get a master light on one and an ID on the other. But i'm not sure I see how specify in the stack, that the LAG exists in a manner such that it's on each of the switches.

But with the LAG menus, it looks like im only able to specify ports 1-8 and none of the G ports.

Am I overly complicating this and have missed something simple or and I just totally off course?

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PowerConnect 6024 Port Bandwidth

May 15, 2015, 8:26 am
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How do you configure a port to have a restricted bandwidth of 10MB

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Powerconnect 6224 can't access the internet

May 17, 2015, 8:50 am
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Hello there 

please i need your help . 

i configured my Vlan 2,3 and 199 on my single switch 6224 

Vlan2 for corporation 192.168.2.254

Vlan3 for guest  192.168.3.254

Vlan199 is where my internet and my gateway for it is 192.168.1.199

all what i want is very simple i need an assitant how i can get a computer connected to Vlan 2 and Vlan 3 to talk to the internet. 

NB: the machine for testing that i connect to vlan 2 port 3 has the ip address 192.168.2.10 gateway 192.168.2.254 and my DNS is Public.

from inside the CLI  i can ping 192.168.199.1 after i added on this device a static route to redirect back. 

still can't access the internet. 

please find bellow my configuration 

!Current Configuration:
!System Description "Powerconnect 6224, 3.2.0.7, VxWorks 6.5"
!System Software Version 3.2.0.7
!Cut-through mode is configured as disabled
!
configure
vlan database
vlan 2-3,199
vlan routing 2 1
vlan routing 199 2
vlan routing 3 3
exit
stack
member 1 1
exit
ip address 172.16.16.19 255.255.255.0
ip default-gateway 172.16.16.251
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.199.1
interface vlan 2
name "corp"


routing
ip address 192.168.2.254 255.255.255.0
exit
interface vlan 3
name "Guest"
routing
ip address 192.168.3.254 255.255.255.0
exit
interface vlan 199
name "internet"
routing
ip address 192.168.199.254 255.255.255.0
exit
username "admin" password 66ccbd31c39fa9407de367b1b104265a level 15 encrypted
!
interface ethernet 1/g1
switchport access vlan 199
exit
!
interface ethernet 1/g3
switchport access vlan 2


exit
!
interface ethernet 1/g5
switchport access vlan 3
exit
snmp-server community public rw
exit

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Problem with N4032 Switches

May 18, 2015, 3:56 am
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Hi

I have 2 x N4032 Switches and 7 N2048 edge switches

Each switch has an uplink port to 1 of the N4032 switches

2 Vlans configured 

Uplink ports are configured as Trunk Ports, and all ports on the N4032 are configured as Trunk Ports

My issue is that only some devices get ip addresses, and not all devices can be contacted even once they get an ip address

If I remove the N4032 Switches, and daisy chain the 7 switches using only the Access Ports (for that vlan) everything works fine

RST is configured on all ports

There are no errors in the logs either so i am very very confused

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Trunk N3048 Stack to N2048 Stack

May 18, 2015, 7:35 am
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I have 2 N3048 switches as my core for virtualization and 3 N2048 switches stacked for computer/phones.   I need to connect the two stacks, I have 4 cat6 cables connecting them as such

N3048 1/0/47 -> N2048 1/0/47

N3048 1/0/48 -> N2048 1/0/48

N3048 2/0/47 -> N2048 2/0/48

N3048 2/0/48 -> N2048 3/0/48

VLANs that need to intercommunicate are VLAN 2, 5, 11, 23

Computers are VLAN 2 (10.10.2.0/24)

Serviers is VLAN 11 (10.10.1.0/24)

Development is VLAN 23 (10.10.8.0/24)

MGMT is VLAN 5 (10.10.5.0/24)

Each of these vlans have an IP address assigned interface on each switch. 

My question is:

4 ports used over kill?

Should this be a LAG / port channel?

And how the heck to configure them.  Currently here is my config

Core Stack:

interface Gi1/0/47
channel-group 1 mode active
spanning-tree portfast
switchport mode trunk
exit
!
interface Gi1/0/48
channel-group 1 mode active
spanning-tree portfast
switchport mode trunk

interface Gi2/0/47
channel-group 1 mode active
spanning-tree portfast
switchport mode trunk
exit
!
interface Gi2/0/48
channel-group 1 mode active
spanning-tree portfast
switchport mode trunk
exit
!
interface port-channel 1
description "Link - Stack1"
switchport mode general
switchport general pvid 11
switchport general allowed vlan add 2,5,11,23
exit

User Stack1

interface Gi1/0/47
channel-group 2 mode active
switchport mode trunk
exit
!
interface Gi1/0/48
channel-group 2 mode active
switchport mode trunk
exit
!
interface Gi2/0/48
channel-group 2 mode active
switchport mode trunk
exit
!
interface Gi3/0/48
channel-group 2 mode active
switchport mode trunk
exit
!
interface port-channel 2
description "Link - TPL-Core"
switchport mode general
switchport general pvid 11
switchport general allowed vlan add 2,5,11,23
exit

I'm only able to ping the 10.10.1.0 interface between switches.. so I know I've got thi completely wrong.. thanks for the help!

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PC6248 Cross VLAN communication.

May 18, 2015, 10:26 am
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I am trying to setup a new switch to migrate everything over and setup some VLANS.

Inter VLAN routing seems to be working, I can ping each of the gateway addresses assigned to each VLAN and I can even ping devices currently connect to the existing infrastructure using the console. How ever if i plug a laptop into one of the ports I can not ping any of the existing devices unless I am plugged into VLAN 10. Otherwise I can only ping each of the VLAN gateways I have configured. 

I have a temporary single up-link from existing dell 6248 that is using the default VLAN 1. to port 1 on the new dell 6248. (will be removed after everything is migrated over.) Any Idea what I am doing wrong?

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S4810 default route for inter-vlan communication

May 18, 2015, 2:03 pm
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Dear all,

I need some help configuring my Force10 S4810.

I have following 3 different networks and vlans configured.

vlan 100

ip address 172.x.0.1/24  

untagged tengigabitethernet 0/15

untagged fortygig 0/56

no shutdown

vlan 200

ip address 172.x.1.1/24  

untagged tengigabitethernet 0/21,23

no shutdown

vlan 300

ip address 172.x.2.1/24  

untagged tengigabitethernet 0/27,29

no shutdown

ip route 172.x.0.0/24 vlan 100

ip route 172.x.1.0/24 vlan 200

ip route 172.x.2.0/24 vlan 300

vlan 100 provides the uplink (internet access). I want my vlan 200 and 300 to use vlan 100 as the default route. In the current configuration I can ping the vlans of and from any of the 3 networks and even the 172.x.0.2 which is the IP of the router connected to the port 0/15 of this switch. But, I can neither configure ip route 0.0.0.0/0 172.x.0.2 as the switch is shared with another team as well nor set the default gw to 172.x.0.2 on the server nodes in vlan 200 and 300.  

  Is there a way to send the traffic to the 172.x.0.2 from the servers in vlan 200 (172.x.1.0/24) and vlan 300 (172.x.2.0/24) whose default gateways are set to be the ip addresses of the respective vlans ?

Any help or suggestion is appreciated.

Regards,

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OID for monitoring STP state of a Dell N2024P

May 19, 2015, 6:39 am
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Hello everyone,

Which OID would give me the STP state for each interface?

I'm able to find that information for old switchs with .1.3.6.1.2.1.17.2.15.1.3.X but i'm not able to do the same thing with my N2024P.

Thanks.

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N3000 Stack Out of Band Management Port

May 19, 2015, 8:02 am
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I plan on Stacking two N3000 switches for an iSCSI network. They will not be connected to our primary network at all.

I would like to use the Out of Band management port and am curious what my options are when using the out of band management port.

I know that I will be connecting the first switch's oob but what about the second switch?

Can the second switch oob be plugged in and normally be offline but during a failure take over? 

It is independently configured? not configurable?

The manual is not a bunch of help regarding these kind of scenarios.

Thanks,

-Andy

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Different GW for Different VLANs - N3048

May 19, 2015, 1:31 pm
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I've attached a network diagram below.. What I want to do is have my Server VLAN 11 use a different gateway to the internet than my Users VLAN 2 & 23, this will allow me to keep the User VLANs running transparently through the Web Filter appliance.

As you can see I'd like VLAN11 to reach the internet via Firewall X2 10.10.1.1, and the User VLANs to reach the internet via Firewall X0 10.10.23.1

Is this something that the N3048 Core can do?  Would it be using Policy Based routing or ACLs?

Thanks!

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how to change the date, enable syslog, on a PowerConnect 2808

May 19, 2015, 4:56 pm
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I have two PowerConnect 2808 switches.  The firmware is the most recent.

Nowhere in the web interface do I find an option to set the date/time or setup syslog like I can in my other Dell switches.

I connected using telnet and nowhere can I enter a command to do either of those functions.

I did manage to see something relating to syslog scroll by when I was in debug mode, but I cannot figure out how to set the options.

Is this just something that isn't available on these "Smart" switches?  If not, why?  I would gladly trade the useless powersaving features for the ability to truly manage these switches.

Please help!  Thanks in advance...

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Stacking question: can I combine a 5548 stack with a 5524 stack?

May 20, 2015, 6:08 am
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Can I combine a stack of four PowerConnect 5548 switches with a stack of two PowerConnect 5524 switches? I'm sure we need to ensure they're running the same firmware, but I didn't see documentation on maximum stack size or inter-model stacking limitations.

Thank you.

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Dell 6248 Configuration Questions

May 20, 2015, 6:36 am
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How can I verify my LAG uplinks are working properly? Is there a command that shows its functioning correctly?

 Should each Stack member be assigned its own IP address?

 Should STP be turned off the LAG/Port-Channel Groups (no spanning-tree portfast)?

 Also can you clarify what happens in a stack of switch if the master switch that goes down contains VLANS? It’s my understanding that the standby switch, if exists, will take over and take on the configuration. Does it actually move the VLANS to the standby switch or just act as a management point?

Thanks for your help. 

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Lag between 6248 and 5548

May 20, 2015, 6:41 am
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Can I stack Dell6248 with Dell5548?

I have a singe link from 5548 to 6248, But due to some changes I network, I want to increase throughput between Del 6248 and Dell 5548, so is there a way to bundle the ports to increase the bandwidth of link?

I read some where LAG does not increase the bandwidth and only a single port is used at a time.

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Using LAGs to connect 4 2848 switches

May 20, 2015, 2:02 pm
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I have four PC 2848 switches that I would like to connect in the best way to provide good throughput and link redundancy. There are no VLANs involved.

I have not been able to find a good basic example configuration for this. From what I have seen, I think I want to use 2-port LAGs to connect the 4 switches as so:

SW1 -> SW2

SW2 -> SW3

SW3 -> SW4

SW4 -> SW1

I saw that it would be good to set the Path Cost higher for the SW4 -> SW1 LAG ports to avoid looping.

But beyond this, I don't have any idea of how to set this up properly in terms of the actual settings in the UI. Does anyone have experience with this that could provide me with some pointers on how to configure the LAGs on each switch?

Thanks much in advance!

- Max

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Multicast on N2048P stack

May 20, 2015, 5:15 pm
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Hi there

I have recently installed 2x N2048P switches in a stack configuration to an existing network. This switch provides PoE service to our IP phones and WiFi access points.

We are having problems being able to pass multicast traffic to/from devices on our wireless network through to Apple TV devices on our core Cisco switch stack.

Some network configuration info -
The Dell stack connects into our core switch stack (Cisco 3750 x5 chassis'). The N2048 has 4 ports configured via LACP (GI1/0/47,GI1/0/48,GI2/0/47.GI2/0/48) for the uplink to the Cisco. These ports each connect into a different Cisco Chassis as such -

Dell GI1/0/47 -> Cisco GI1/0/24
Dell GI1/0/48 -> Cisco GI2/0/24
Dell GI2/0/47 -> Cisco GI3/0/24
Dell GI2/0/48 -> Cisco GI4/0/24

There are a number of VLANs trunked across the port-channel and various individual ports configured on different VLANs. 

VLAN 10 = Corporate workstations (SSID: Corp)
VLAN 15 = Access Point management (Cisco APs)
VLAN 25 = Voice
VLAN 30 = Guests (SSID: Guest)
VLAN 50 = Contractors (SSID: Contractor)

All VLANs are configured as Tagged on the LAG.

The ports with WiFi APs are VLAN'd as follows:
VLAN 10 - Tagged
VLAN 15 - Untagged
VLAN 30 - Tagged
VLAN 50 - Tagged

Each SSID associates the client into the correct VLAN and all IP traffic flows as it is meant to.

All our Apple TV devices are on VLAN50 on our Cisco stack. The issue we are facing is that the majority of Apple TV devices are not visible for Airplay from clients on the wireless network. Those that are visible either fail to connect, or will drop out quickly. I believe this is related to Multicast traffic not being forwarded through the Dell switches correctly.

Prior to installation of the Dell switches (only a few days ago!) all our WiFi AP's were on a single 8-port PoE non-managed switch, connected directly into a single port on the Cisco stack. Everything worked well in that configuration.

I have configured IGMP snooping (I think correctly!) but I'm still unable to have the traffic pass properly. I can see MAC addresses listed in the MFDB IGMP snooping table, listed against the port-channel (Po1).

Can anyone assist? Is what I'm trying to achieve possible with the N2000 series?

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Dell PowerConnect 7024 SSL Request

May 20, 2015, 4:01 pm
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Hi All,

when i try to create a SSL Request it pops up a message saying that it can not when i check the logs it says 

SSLT: ssltCertificateRequestGenerate keyFile not exist

checked the CLI Reference and there is nothing there in regards to keyfile

anybody seen this issue and what was the resolution

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PowerConnect 6224 Corrupt Entry

May 21, 2015, 4:22 am
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I have noticed that when i issue reloadcommand - switch hangs( console doesn display anything)

Then i power cycle it and it starts to boot normaly.

somewhere in : show tech-supporti found  following lines:

What can i do to fix this?


EVENT> bootos.c 233 0FFFFD20 AAAAAAAA 12910 11 5 6
CORRUPT ENTRY >>>>>>>0000160B 06319B20 00000000 427CA144 FFFFFFFF FFFFFFFF
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427CA0D1 00000001 756E6974
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427C9DB7 00000001 626F6F74
CORRUPT ENTRY >>>>>>>0000160B 06333280 00000000 427C9DD4 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427C9A29 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0636F040 00000000 427C9A1C 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427C999D 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0638E120 00000000 427C9991 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427C9967 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0632A9C0 00000000 427C9958 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B506F 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0638D3D0 00000000 427B5063 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B4C57 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0631A200 00000000 427B4C4C 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B4B8A 00000001 756E6974

 

Time
File Line TaskID Code d h m s

CORRUPT ENTRY >>>>>>>0000160B 063256C0 00000000
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B4B17 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 06358D80 00000000 427B4B0A 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B44D3 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0632D430 00000000 427B44C4 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427B4269 00000001 756E6974
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 427A468F 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4278EBCF 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4278E493 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4278BA05 00000001 626F6F74
CORRUPT ENTRY >>>>>>>0000160B 063185B0 00000000 4278B9F7 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4278ACEF 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 0633D720 00000000 4278ACE0 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4276D963 00000001 756E6974
CORRUPT ENTRY >>>>>>>0000160B 063342F0 00000000 4276D957 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426F13DF 00000001 756E6974
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426F126F 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426C6C82 00000001 626F6F74

 

Time
File Line TaskID Code d h m s

CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426B24C3 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426B24B1 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426B249F 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AF361 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AE1AD 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB88D 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB87D 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB86B 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB859 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB846 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426AB837 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4269A5A1 00000001 626F6F74
CORRUPT ENTRY >>>>>>>0000160B 062D3940 00000000 4269E399 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4269A58E 00000001 756E6974
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4269A57C 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 4269A56D 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 42693985 00000001 626F6F74

 

Time
File Line TaskID Code d h m s

CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 42693029 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 42692E98 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 42692E89 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 42692B87 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426926C3 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426926B2 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000000E9 0FFFFD20 AAAAAAAA 426926A5 00000001 626F6F74
CORRUPT ENTRY >>>>>>>000002C0 00004010 030CE3D8 03335770 00000001 626F6F74

 
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Archive command for a Dell N3000 series switch?

May 21, 2015, 11:21 am
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Cisco has an option to write the running config to a remote server whenever you copy run start/write mem.

archive
 log config
  logging enable
  logging size 200
  notify syslog contenttype plaintext
  hidekeys
 path scp://username:password@"ip address"//path/path/hostname_config
 write-memory
Is there a version of this available on Dell's 6.2 N3000 platform?
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Powerconnect 3548P - How many ports can be supplying Power at a time?

May 21, 2015, 1:23 pm
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The documentation is unclear.  How many concurrent ports can supply power?  is it all? or just 24?  or is it Wattage based?

Anyone have documentation on it spelled out?

thanks

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