Cisco Switching/Routing :: SG200 / WAP4410N - Multiple VLANs Without VLAN Aware Device

Feb 12, 2012

I have a Cisco SG200 26 Port Switch, 2 Cisco WAP4410N Access points, and a VLAN aware Router. I have created 4 VLAN's. For the sake of this conversation lets call them.

98 - Intel Vpro
99 - Management
100 - General
101 - Guest
The Access points are capable of doing V LAN tagging so I plan on having them tag a guest network as V LAN 101. That can get sent to the V LAN aware router and out. No problem. I have some devices, or management pages that I don't want accessible from the general network. (Intel V pro KVM, Remote Management Cards, AP Config Menus, Switch config menu...) . I need to be able to take a V LAN unaware device, plug it into port 1, and have it communicate with V LAN 98, 99 and 100.

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Cisco Wireless :: Configure Multiple SSID With Multiple VLANs And DHCP Pool WAP4410N

Sep 18, 2012

My question is if I can configure 3 ssid, for 3 different VLAN and add the DHCP address from a WAP4410N AP, when you upgrade to the latest version of IOS I can have this functionality?

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Cisco Switching/Routing :: 6509 - Configure Multiple Dhcp Pools On Switch For Multiple VLANs

Mar 9, 2010

Is it possible to have multiple dhcp pools for multiple VLANs? The switch is a 6509 and/or 4506 catalyst. I don't want to use server-based products.

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Cisco Switching/Routing :: SG200 / 3550 - Creating VLAN And Isolating PC On Network

Feb 12, 2013

I was given a task of creating a vlan and isolating one pc to access an internal website ( on a specific port (port 8080)The pc is connected in the following manner:

PC--> HP Switch --> Cisco Small Business SG200 switch --> 3550 Catalyst 1, 3550 Catalyst 2 and 3550 Catalyst 3.

I have created a vlan 110 on the Main 3550 Catalyst switch and successfully added the pc to that vlan.However, that PC must be able to access the internet and an internal website on port 8080.I have placed an access-list on the main 3550 catalyst switch which is connected to our router as below:

Client ip address:
VLAN 110:
access-list 110 permit tcp host host eq 8080access-list 110 permit icmp host anyaccess-list 110 deny ip ? I was unable to access the webserver even after many attempts.

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Cisco Switching/Routing :: Multiple VLANs On 881?

Oct 23, 2012

I recently set up a Cisco 881 to cover a small business network. The router is currently set up and working as expected. We recently decided to move to VoIP phones and here is where I'm running into some issues.
First an overview: We run a network with a cable internet WAN connection, this connection is DHCP, however we have a static IP through our ISP. We also have a block of 30 additional IP addresses for one to one mapping as we need them. The new VoIP system is being run over T1 lines throughout the township (we are a municipal organization) and the VoIP system is being run to about 5 buildings in the township.
This brings me to the topic of VLANs. As the phone engineer explained it to me, there is a network set up over the T1 that allows the VoIP equipment to talk to one another and operates all of the VoIP phones on one network. The equipment that is being installed at our building connects to the network over the T1 and "talks" to the other equipment on the network. The engineer wants to create a VLAN and run it on ports fa1 and fa2, with the fa2 port being connected to the actual "MPLS" (their term) that connects to the T1 and into the cloud, and the fa1 port connected to the internal phone switch.
TLDR; The problem is this: When we attempt to set up the VLAN on ports fa1 and fa2, we have no connectivity with the other units in the external VoIP cloud. Pinging while directly connected to the "MPLS" yields successful pings, while pinging from the router with the "MPLS" connected to fa2 yields failures. I'm going to post the running config below, I feel like what we're doing should be working. I asked around about subinterfacing, but others seemed to think this was not necessary.
Building configuration...
Current configuration : 4909 bytes
! No configuration change since last restart
version 15.1


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Cisco Switching/Routing :: 3560E / Routing Between 2 VLans On Same Device?

Feb 19, 2012

I have a 3560E with 2 vlans that I want to route between.  one device with 2 vlans and route between.Interfaces are configured as such:

int g0/11
switchport mode access
switchport access vlan 10
 int g0/12
switchport mode access
switchport access vlan 11

Laptops on each port with and configured on them.  I can ping from to, but not to do I have to configure to be able to get the 2 laptops to talk to each other?

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Cisco Switching/Routing :: Accessing Multiple VLANs On SG500

May 9, 2012

Switch: SG500 VLANS: 1 (default) network, 150 (device management vlan) network I am plugged into port 1. This is a trunk port with VLANs assigned as follows: VLAN 1 (Default) - UntaggedVLAN 150 (dev mgmt) - Tagged  Device is plugged into port 2. This is an access port with the following VLAN assigned: VLAN 150 - Untagged  Why is it I cannot communicate with the device on port 2?

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Cisco Switching/Routing :: Multiple Vlans On Catalyst 2950?

Sep 13, 2012

I have a above said switch at my remote office (600KM) which is connected with L2 Point to Point leased line. Both the ends I have Cisco 3950 catalyst switches with Vlans configured at both the ends. Now, for obvious reasons I should remove the other end 3950 switch and replace with Cisco 2950 switch. The other end 3950 is having 4 Vlans configured on 4 ports. Now my requirement is, I should configure 3 Vlans (one for P2P, one for 10 Desktops and one for to bring traffic from other network).

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Cisco Switching/Routing :: 1760 - DHCP To Multiple VLans

Mar 13, 2012

I can not get dhcp to work.I can ping from the switch to both vlans...
here is my config for the router.....
Router is a 1760
Current configuration : 1379 bytes
version 12.4
service timestamps debug datetime msec


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Cisco Switching/Routing :: 2960 - Multiple VLANS On 1 Switchport

Apr 30, 2012

I have a a hardware server running a VM hosting virtual servers which are all on different VLANs. My challenge now is to configure the switchport that the server is connected to, to see all the VLANs needed by this VM. The VM has an IP that is used for managing the server VMs which is on a different VLAN also.
My switch is a 2960 switch and it is presently trunked from the core switch.

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Cisco Switching/Routing :: SG300 Multiple Vlans With Routers To Talk To One IP

Jun 18, 2012

I was assigned a task to configure an SG300-28P to have 3 different vlans.Now on VLAN1 their will be only one device configured with static IP,On the other 2 VLANS there will be a separate router connected on each one of them and will also act as a DHCP server.

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Cisco Switching/Routing :: 2960 - Private Vlans Across Multiple Switches

Nov 11, 2012

I am aware that private-vlans are not supported on edge switches like 2960 series - so my question is would it be possibel to ceate private vlans on say just the core switch which would be a 3570 or 4506 that supports private vlans and then just trunk these to the edge like normal vlans?
what I need to achive is to have edge port not able to communicate to each other even across switches - which cannot be done using 'protected' port so need the private vlan feature

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Cisco Switching/Routing :: 3750 - Configuring Multiple VLANs For Single Port

Apr 11, 2012

I would like to configure a 3750 switch port to be able to use two vlans. I know you can do this with a voice and data vlan, but what about two data vlans ? Say I have two devices, one on a 10 subnet and the other on a 172 subnet, but i only have one wall jack for both devices to plug into. So I use a mini switch to connect both devices and connect the switch to the wall jack; and of course this all leads back to one switch port. When I go to enter the switchport access vlan 172 cmd, how would I also make it so the device on the 10 subnet could route out ?

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Cisco Switching/Routing :: 2911 / 2960S - Multiple VLANs With Different Internet Access

Feb 17, 2013

We need to give differentiated internet access to three VLANs. Each one of this VLANs is used for totally different purposes, so traffic between the VLANs is not allowed. Each VLAN has its own internet access provided for the data center using one fast ethernet connection.

We're thinking about using cisco 2911 for Internet access, VPN and firewall. I suppose that best option for VLANs is using Catalyst 2960S or a swithing module for the 2911, but these two options are too expensive for us. We're thinking about using swtiches from the SB series (maybe a SG-200).

We're totaly newbies to VLANs so we have many doubts. This are our questions:

1) The 2911 has three on board ethernet interfaces; we have three VLANs and three internet connections, so we need to use HWICs to get three more ethernet ports. That's right?
2) We need three HWICs or there is some kind of HWIC with more that one ethernet interface?
3) The routing solution is to assign static routes in the 2911 for each interface connected to a VLAN through a 2911's interface connected to internet?
4) Simply connecting three different router interfaces with three different switch ports, each one of them assigned to one of the three different VLAN, are we going to get internet access for all devices in those VLANs? or do we need to configure something else like trunking, VSIs...?
5) Can we achieve our goals using the SG-200 switch?
6) We have the chance to use older routers, is this possible? We're specially interested in knowing if a 1841 or a 2801 router could be used for this setup.
7) This is not a production environment so we can use refurbished equipment.

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Cisco Switching/Routing :: 3845 / 3560 - Bridging Multiple VLANs Over Router

Aug 27, 2007

We have a customer that is relocating thier headquarters. They have a temporary requirement to bridge multiple vlans or a router T3 link to the new location as they cannot change the IP subnets. Setup is  3560 switch connecting to a 3845 then T3 to remote 3845 and 3560. I need to bridge multiple VLANs. I have seen a good example on how to do it over sonet but I don't see how to translate that to an HDLC or Frame Relay encapsulation for the T3 Link.

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Cisco Switching/Routing :: ASA 5520 / Can Reserve Some More Bandwidth For One Vlan Than Other Vlans

Jan 23, 2012

Currently, we have a Cisco router (28xx), ASA 5520, and a core switch 4500. We have different vlans. We also have Auto QoS running for our Cisco IP Phones.My manager just asked me to see if I can either reserve some certain bandwidth for one vlan, or give that vlan higher priority on internet traffic than the others.

1.) Anyway we can reserve some more bandwidth for one vlan than other vlans?

2.) If #1 cannot be done, how can we provide higher priority on the internet traffic to one vlan than the others?

3.) Is #1 or #2 the same config? If not, which one would be easier (without changing our current QoS settings)?

4.) If 1 or 2 can be done, which device I should config the settings on?

5.) This question may be duplicate, but do we need to reset our current QoS to achieve the goal?

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Cisco Switching/Routing :: 3750x - Denying VLAN Access To Other VLANs

Mar 18, 2013

I've got a 3750x stack set up as my core switch (only a small-ish environment) - I'm shortly going to be deploying an enterprise wireless network with Corporate and Guest SSID's. I'm going to be putting all traffic from the Guest SSID in VLAN 244, and don't want it to have access to any of the other VLANs (1 (Legacy Eqpt), 4, 8, 12, 16, 20, 24, 28, 32, 248 & 252).
IP ranges for all the main VLANs are:
1: 10.0.0.x/22
4: 10.0.4.x/22
8: 10.0.8.x/22
12: 10.0.12.x/22
16: 10.0.16.x/22 etc etc (you get the pattern)
I'll probably give Guest traffic (VLAN 248) the IP range 192.168.10.x/22 (not because I NEED that many addresses, but it's easier for everyone to remember/understand if I keep the subnet masks the same all round). However I also have a CCTV VLAN (252) which already has the range 192.168.0.x/24, which some people in other VLANs WILL need access to.
So my question is: What is the syntax for the ACL on my 3750x (IP base - 15.0.2) to prevent traffic from VLAN 244 gaining access to any of my other VLANs. I'm making a broad assumption here that a layer 3 switch is perfectly capable of supporting that function? I need ALL the syntax for setting up ACL's - I've never done it before
My gateway device by the way is, and I do have inter-VLAN routing set up on the core switch (obviously).

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Cisco Switching/Routing :: 2821 Best Way To Block A Vlan From Accessing Other Vlans

May 22, 2012

I have a LAN with 6 vlans and a 2821 router. By default, intervlan routing is enabled for all vlans, however, I want specific vlans to be denied access to others, though all should still be able to use the Internet being served from GE/0.

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Cisco Switching/Routing :: Internet Sharing Multiple VLANS 300 Series Small Business Switch

Apr 7, 2012

My problem is that I have a Cisco 300 series small business switch with multiple VLANS each one with an IP address and two or three ports assigned to each VLAN. I have an E3200 wireless router that I want to use to use to share internet on the switch. All of the VLANs are reachable from the other VLANs and I've put a static route on the E3200 so that I can reach the VLANs from a machine connected only to the router. But I can't reach machines on the otherside of the router or get to the internet from the switch.

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Cisco Switching/Routing :: Multiple VLAN Routing Tables For 3750 Catalyst

Oct 24, 2012

I have a network with a Catalyst 3750 as the main switch and then some Catalyst 2960 switches that are plugged in to that. I have a server running windows server 2008 with a couple of virtual machines running in Hyper-V. I created 4 VLANS listed below and gave the 3750 the following IP Address.I would like the 3750 to only be configurable from VLAN 40 but currently every VLAN can connect to it, I noticed in the standard web page settings there was a setting for "Management VLAN" but it was set to 1 and would not let me change it, I kinda assumed that was for the management port in the back.-Now the tricky part, I was trying to set up routing between the VLANs and so far I have only been able to get a sort of "all or nothing" routing to work. I can turn IP routing on and add two or more VLANs to the routing and it works fine. But what I was hoping to do is create a couple of "junction vlans" that would only route to one or two other vlans. For instance, I wanted to create a VLAN 100 that routed to VLAN 20 and 30 but nothing else. I also want to route VLAN 1 just to VLAN 30, and so on. I am able to do each one of the cases but only one, it seems like the switch only supports one "routing table" am I missing something or is this just a limitation of the switch?

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Cisco Switching/Routing :: 5505 Inter-vlan Routing With Multiple Gateways

Feb 15, 2013

We have two Cisco 5505 firewalls connecting to two ISP's . The two internal LAN's on the firewalls are & We also have a Cisco C3560x layer3 switch with vlan interfaces 184.3 & 186.3. We have two DGS-3100 Dlink layer 2 switches connecting our users to the Layer 3. Ip routing is enabled for intervlan communication & I can reach the Switch interfaces & firewall gateways from machines on both on the vlans.We have pbr enabled on the 3560 & users only on the .186 network can get to the internet. The switch is running the ipservices license & the sdm template is "desktop routing" .

Users on the .184 cannot access the internet but we can ping the layer3 interface & the firewall gateway. [code]

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Cisco Switching/Routing :: 2960 Multiple VLAN Configuration?

Mar 11, 2013

Using Cisco 2960 series switches (Have 8 .  2 stacks of 4) to replace 6 old switches.  4 old switches had IP ranges of 192.168.6.*** and all new switches have 10.1.*.* addresses. Core switch has 10.1. as well as 192.168 ip  addresses but i need to configure one vlan (5?) to route to 192.168 address. PC's on 10. address taking a long time to access 192 range.

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Cisco Switching/Routing :: 1921 - Multiple VLAN Supported?

Feb 6, 2013

I have a Cisco 1921 Router, a Cisco Catalyst 2960 and a Cisco Catalyst 2970 and I want the router to be able to assign ip-addresses by what VLAN a device is active on.

The router is connected to the Catalyst 2960 and there on to the Catalyst 2970 so the VLAN1 and VLAN2 is active on the to switches and the it possible?

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Cisco Switching/Routing :: 3750 - Multiple Subnets In Single DHCP Pool On Device

Mar 25, 2012

3750 can not support multiple subnets in it's DHCP server pool config.

Is this an issue that can be fixed with a different iOS or is there a different Cisco switch that I can replace the 3750 with that will handle multiple subnets within an individual pool?

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Cisco Switching/Routing :: 2901 - Multiple Subnets On Same Vlan Switchport?

Jun 29, 2012

I have a Cisco 2901 with the 4port gigabit ethernet switch module that I'm trying to get configured to have a seperate subnet for each port.  So far I have it set up so each subnet is a vlan, then on each port I use the switchport access vlan command to tell it which subnet I want that port to be on.  However, there is one port that I need to have 2 subnets on.  The way I found to do that was to use switchport trunking on that port, but it doesn't seem to be working properly. how they would configure this?  Right now I have vlan 101 as x.x.x.17/28 and vlan 103 as x.x.x.53/30.  I think where I'm getting hung up is the proper association between the physical port and the vlan subnets.

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Cisco Switching/Routing :: 2960 Support Multiple Vlan Per Port?

May 21, 2012

We're going to be switching some of our gear from Foundry to Cisco, and were looking at the WS-C2960S-48TS-L.  We currently have 3 different VLAN's, and I wanted to have 1 uplink back to our firewall (ASA 5550) and then let the firewall do the routing between the subnets.  I realize that 1 link will carry the traffic twice then, but is that possibly with those switches to have all three vlans assigned to one port and then just let the firewall do the routing between the vlans or would I need to have 3 uplink ports back to the 5550?

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Cisco Switching/Routing :: Multiple IP On Single Vlan In Cat 45xx Switch

Mar 12, 2012

I would like to know if it is possible to assign a 3rd IP address to my end user vlan. Basically the 45xx acts as my end user gateway and has been confirgured as below
interface VlanXX
description Main Vlan
ip address 2.X.X.X secondary
ip address 1.X.X.X

Here, due to IP address exhaustion in my end-user network, i want to add one more subnet X.X.X.X/22 to my network and assign one IP more from this range to the above vlan to act as the gateway IP.

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Cisco Switching/Routing :: Multiple VLAN Extension From Nexus7k To ASR 1004

Mar 6, 2013

We bought a pair of ASR 1004 to be installed at Primar & Secondary data center and one thing is to run OTV over it, but to do that, I have to extend multiple VLANs from my Core (Pair of Nexus 7010s) connected directly to the ASR is Primary Data center, I looked at some documents but didn't get a good idea about it, extend multiple VLANs from Nexus switch to an ASR.

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Cisco Switching/Routing :: SG-300 VLAN And Multiple Subnet Domain Broadcast

Jan 25, 2012

I recently bought SG-300 28P to create the VLAN. My network hs 3 subnet, and main net work is I want to divide it to VLAN to eliminate the boardcast storm; especially from the domain
But I want all the devices from to access other subnet.

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Cisco Switching/Routing :: Nexus 7010 Span Picking Up Multiple Device Uni-cast Packets

May 29, 2013

I want to monitor our backup server (commvault) as it is saying it's library (Data Domain) is going off line.[code] The issue is I am seeing a lot of unicast traffic (on Wireshark) that has nothing to do with the server on E2/11.  Some of it is from different VLANs... There is way too much data (multi-Mbps) to keep wireshark running very long to capture our intermitten problem.

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Cisco Switching/Routing :: 2900 - Multiple Vlan Access On Standalone Switch

Feb 3, 2013

The field engineer has a stand alone 24 port 2900 series switch that he has different equipment connected to and are segmented using VLANs. So for example, he's got ports 1-4 assigned to VLAN 10, 5-12 assigned to VLAN 20, 13-19 assigned to VLAN 30 and 20-24 assigned to VLAN 40. He would like all the gear on VLAN 30 to have the ablity to talk to all of the other VLANS, but VLAN 40 should not be allowed to talk with any other VLAN. Trunking would do no good here since the switch isn't connected to anything and you can only assign one VLAN per port.
Is there a way to do this within the stand alone switch? The only possible way I could think of would be to ensure that each VLAN has an assigned IP number (subnet) and doing this through access lists.

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Cisco Switches :: Restricted Inter-VLAN Routing With SG200-26 And SG300-10

Feb 26, 2013

My organization wishes to host a LAN gaming event. The setup I have in mind involves a 24-port switch for connecting all the player computers and having that switch connected to a smaller "core" switch which has the the game server and router connected to it. I'd like to know if I can set things up as follows...
SG200-26 with ports 1-24 on seperate VLANs  so they cannot talk to eachother. I'd then like ports 25 and 26 to be an  aggregated (for bandwidth and redundancy) trunk port to carry all 24  VLANs plus an additional management VLAN (ex. VLAN 100) that will be used for accessing  the switch. I'd like those aggregated trunk ports to connect to an SG300-10 "core" switch which will be connected to the game server  and to a router for internet access.
I'd like the ability to have two  network connections from the game server to the switch, one on the  management VLAN and one on a different VLAN (ex. VLAN 50) that will be accessed by the  players (ports 1-24 on the SG200-26). The core switch needs the  ability to perform restricted inter-VLAN routing, in that it doesn't  allow VLANs 1-24 to talk to eachother but they can talk to the server's  VLAN but only through specific service ports (ex. port 12345, 12346). Is this possible?
Furthermore how would I configure the SG300-10 to allow VLANs 1-24 to talk to VLAN 50, but not themselves or VLAN 100. As well, I'll probably have the router on it's own VLAN (ex. VLAN 60) and allow VLANs 1-24 to access it but only through HTTP port 80 for web access.

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Cisco Switching/Routing :: 3560 Multiple Vlan Access To Port Connecting Phone System

Oct 25, 2012

I'm new to networking and was looking for some assistance. First off im using packet tracer to diagram my senario as I will be receiving my equipment next week to deploy.
Hardware to be used:
1. 2 catalyst 3560 switches
2. all connect to a sonic wall router
I have two companies that work in the same office space. I need to keep these companies seperate on their own vlan. They will however need to share the phone system.(Packet tracer file uploaded to give those who have the time to see what I put together.) [code]

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