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Member since
08-13-2009
22
Posts
25
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0
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Created by
jhotles
in Other Network Architecture Subjects
in Other Network Architecture Subjects
07-15-2015
12:39 PM
07-15-2015
12:39 PM
You forgot the "TRUNK" portion to the command. It's SWITCHPORT TRUNK ENCAPSULATION DOT1Q
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01-06-2014
06:54 AM
Thanks Jon, couldn't agree more. They may simply say that they would only use Console if required. I am trying to find some real "gotcha's" because I don't like this 1 bit. Thanks for the help boys!
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01-06-2014
06:44 AM
Thanks Richard, the switch as mentioned is a "STANDARD" no layer 3 routing switch. In regards to being puzzled - In a typical SMB/MID environment yes, you have your L2 switche(s) and then you have your INTERNET/WAN GATWAY/ROUTER/CORE ROUTER/DEFAULT GATEWAY etc etc etc whatever you would like to label it. This is in most circumstances is the DEFAULT GATEWAY or the SUB-INTERFACE(s) connecting back to the LAN or trunked LAN SWITCHPORT is the DEFAULT GATEWAY for the respective subnet. So, from this response you can certainly see that as these(switches) are NOT doing any dynamic or static routing, there would be no impact with doing DHCP on the Switch itself, but the question is would it be possible? I know theoretically it might be, but do we know if there even commands to turn a VLAN interface into a DHCP Client? I don't think it is, but again the customer seems to think this is logical and is possible. Thanks for all your thoughts, I appreciate it.
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01-06-2014
06:21 AM
Ok, I see what you're saying now but the PC/Clients don't use the VLAN interface as their DEFAULT GATWAY they would typically or in this case use the Internet Gateway/Router as that gatway. I configure all of my Cisco VLANs with an IP ADDRESS, I do not do basic layer 2 configuration with just a VLAN ID. I don't like doing it that way and I think having an IP ADDRESS as management on each VLAN is best practice. thoughts?
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01-06-2014
06:11 AM
Thanks Jon, no, they actually mean DHCP on their VLAN interface itself and to me, that's not really logical nor possible. You can only have 1 DEFAULT GATEWAY on the switch anyways, so I am not sure about that statement as you can still have a DEFAULT GATEWAY configured in that subnet even if your IP ADDRESS changes, just look at how a PC behaves. Thoughts?
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01-06-2014
05:59 AM
Hi Engineers alike - I have had a customer ask me to configure multiple VLAN's on a Cisco 2960 standard switch. They have stated that they would like DHCP enabled on the VLAN interfaces as they don't want ANY STATIC IP's within their subnets. Has anyone heard of such a thing? I don't think it's possible personally, but then again I am sure it is and I am just no in the know. Thanks.
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Labels:
Created by
jhotles
in Other Network Architecture Subjects
in Other Network Architecture Subjects
10-21-2013
07:01 AM
10-21-2013
07:01 AM
The command is "switchport TRUNK encapsulation dot1q". This will then allow the command "Switchport MODE TRUNK". This is the core to the configuration - You NEED this command to run a standard trunk configuration otherwise it WILL NOT work...
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Created by
jhotles
in VPN and AnyConnect
in VPN and AnyConnect
09-24-2013
04:51 PM
09-24-2013
04:51 PM
This is the description I get from the download option. Does this look right as the right version? Doesn't say VPN. The admin bundle installation allows an administrator to configure interfaces, VLANs, static routes, manage users, create new end user views, configure any IOS cli, configure Plug-n-Play gateway, Wi-Fi and perform basic troubleshootin
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09-24-2013
04:48 PM
Thank you Marvin, yes CCP will be the way to go. I'll just as you mentioned pull out the commands afterwards. They certainly do make it easy. Thanks again for posting, would you mind allowing me to pop in once in a while if I have any questions down the road? Any e-mail address or just use this? Thanks again Marvin .
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Created by
jhotles
in VPN and AnyConnect
in VPN and AnyConnect
09-24-2013
02:17 PM
09-24-2013
02:17 PM
No, there is NO issue with using an internal / private IP ADDRESS scheme for "other" VPN Clients. The issue and most likely why you had to use a PUBLIC IP ADDRESS was your Firewall and it blocking ports on different VPN platforms, so you simply by-passed the issue i.e. the Firewall. In fact, I've never had an issue with internal to external IP Address translation/routing in regards to VPN but then again I haven't used every VPN appliance out there. Hopefully this helps, you should be just fine using an internal private scheme to external IP ADDRESS translation without worrying. It's made so easy these days.. Hope that helps Marcus - Please check off "Correct answer" if I helped you.
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Created by
jhotles
in VPN and AnyConnect
in VPN and AnyConnect
09-24-2013
01:38 PM
09-24-2013
01:38 PM
A CLIENT to SERVER VPN configuration needs to have the SERVER/VPN head-end with a static, public IP ADDRESS That is accessible to the VPN client from wherever it may be located. The Client itself can sustain a connection so long as the Dynamic IP Address does not change for pretty much an entire work session. Typically anyone launching a soft/vpn client aren't going to be on it indefinitely so that means a dynamic public IP NAT'd is fine. I would say if I am understanding the question correctly that you are good to go with a Dynamic IP Address at the remote/branch/client side of the equasion provided you aren't trying to do any permanent GRE-tunneling which would then require 2 static/public IP Addresses respectively. Does that help? IF not, can you please rephrase the question? Josh
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09-24-2013
12:43 PM
Hi folks, I have designed a "hub and spoke" network that will consist of roughly 4 locations over Public Internet. My design was to run them in a DMVPN configuration utilizing EIGRP Routing Protocol - With this said, i'm not entirely sure how to begin? I am installing the CORE or HUB location first, that is a given - I am not a big fan of access-lists but pretty much assume that I have to utilize this moving forward in this project. Each Spoke or Branch location will have it's own Internet connection with a single Public IP Address - I have a mix of 1900, 2900 and 3900 series ISR's in the field at the Branch locations all connecting back to a single 3945 Core. Would someone be able to explain how I should attack this? Do I need to configure each site at the main location and then bring them, online as I go? Or, do I just do some dynamic configuration to allow for this to take place? I am unsure exactly how to start this off, but I am assuming it's not going to be that difficult, correct? Thanks for your help in advance...
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Labels:
09-23-2013
01:10 PM
Sorry, I am a little confused on the issue, but it sounds like you need to add an IP ROUTE statement. Basically telling everything to route to .102 unless it's Internet Traffic. Sorry, I you might need to explain it a little bit better.
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09-19-2013
07:30 AM
Thanks Leo - Yes, strange and it wouldn't detect my FLASH - I tried the SAME FLASH on a 3560, no problem... Don't know. What is my exact command context if you know it? Thanks ... Here is the file I am now going to upgrade with ; c2960s-universalk9-mz.122-58.SE2
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09-18-2013
06:07 AM
I just went in and DELTED the "NEW" (SE2) version from the "SWITCH:" prompt, no issues. It rebooted taking the old image and I am back up and running. Can someone post the appropriate way to upgrade these 2960 FLEXSTACK SWITCHES from scratch? Thanks guys..
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01-06-2014
Hi Engineers alike - I have had a customer ask me to configure multiple
VLAN's on a Cisco 2960 stand...
Created by
jhotles
in Other Network Architecture Subjects
10-21-2013
10-21-2013
The command is "switchport TRUNK encapsulation dot1q". This will then
allow the command "Switchport ...
Created by
jhotles
in VPN and AnyConnect
09-24-2013
09-24-2013
This is the description I get from the download option. Does this look
right as the right version? D...
09-24-2013
Thank you Marvin, yes CCP will be the way to go. I'll just as you
mentioned pull out the commands af...
Created by
jhotles
in VPN and AnyConnect
09-24-2013
09-24-2013
No, there is NO issue with using an internal / private IP ADDRESS scheme
for "other" VPN Clients. Th...
Created by
jhotles
in VPN and AnyConnect
09-24-2013
09-24-2013
A CLIENT to SERVER VPN configuration needs to have the SERVER/VPN
head-end with a static, public IP ...
09-24-2013
Hi folks, I have designed a "hub and spoke" network that will consist of
roughly 4 locations over Pu...
09-23-2013
Sorry, I am a little confused on the issue, but it sounds like you need
to add an IP ROUTE statement...
Public Statistics
| Date Registered | 08-13-2009 07:39 AM |
| Date Last Visited | 09-18-2019 01:01 AM |
| Total Messages Posted | 22 |
| Total Helpful Votes Received | 25 |
