• Multiple VLANs with Local DNS

    Hello Guys, I configured router on a stick with multiple VLAN's in cisco 1800 I noticed this error when add VLAN 5 my local dns won't resolve the URL request, but my first,second & third VLAN's are working fine you can surf to the internet using my local dns. is there a limitation of VLAN's in...

    Bsm122045 pointsBadges:
  • VLAN11

    i have internet lint (ethernet cabli consist of 16 vali IP),this cable is configured on VLAN when i had connect this cable to asus switch or micronet switch i have no any ping and i can not to assign any these ip to another pc but when i had connected this cable on the isa server its work. tell me...

    Daemi5 pointsBadges:
  • Need help with multiple DHCP pools on a Cisco Aironet AP

    Hi all, I'm trying to run an Aironet 1252 AP with mutliple DHCP pools. What I did: -Searched for similar questions (found nothing that helped me) -I set up multiple SSIDs that are mapped to different VLANs. -I set up multiple pools (Each pool should serve one VLAN). -I tested setting an IP from the...

    Gabe4all5 pointsBadges:
  • Pairing ISA server 06 as firewall and Cisco router 1841 with VLANs

    Hello IT managers, I'm faced with a challenging network set-up considering ISA 06 server, CISCO 1841 router, and Catalyst 3550 switch as key role players in the network. Anyone who could help me wth a valid and working configuration or advice. The scenario is: the ISA 06 will be facing the cloud...

    JuneC155 pointsBadges:
  • Incoming traffic blocked to VLAN

    I've set up a network segment on a VLAN on our office router. The gateway IP for the block on the router can be pinged from the outside world fine. Other numbers from the block can be put on machines plugged into the port on the switch and work for all purposes in going to the outside world, but...

    Jfmays15 pointsBadges:
  • VLAN connection problems over a switch

    We have enabled interVLAN routing on a layer3 switch, but when we try to ping between one VLAN and other VLANs, only some of the PCs are able to ping and the rest are not. We have 6 VLANs and in all cases we are experiencing the same situation.

    NetworkingATE1,545 pointsBadges:
  • Networking VLANs using router-on-a-stick configuration

    I want to setup a router-on-a-stick in a WAN, where I will have a VTP server on one side of the network and a VTP client on the other side. I want VLAN information to trigger down to the client switch. There are two routers and two switches, and a total of four VLANs. How do I set it up on both...

    NetworkingATE1,545 pointsBadges:
  • Cisco 2950 – 2 VLANS (one shuts the other)

    I have a 2950, and two vlans, when I "no shut" one, the other one shuts down. I have connected the switch to a firewall (acting as a router as well)

    Bahlezi140 pointsBadges:
  • How to set up a disaster recovery (DR) VLAN to replicate data

    I am new to disaster recovery (DR) and IT management. I have a production site with Cisco switches, and I'm backing up data to a storage area network (SAN). I have a GB link to a remote office and would like to replicate data to another SAN at the remote location. How do I set up a DR virtual LAN...

    NetworkingATE1,545 pointsBadges:
  • Bladecenter ESX server Vlan problem

    Hello, The bladecenter was initially setup by a company and allows me to only create VM's from Vlan 2. The issue is that I am out of Ip's in that vlan and I wanted the ability to use another address space for the VM's. I've already created a new vlan 20. Here is the current config of the switch....

    Gillron5 pointsBadges:
  • Applying no IP route-cache on VLAN interfaces in a Layer 3 switch

    Is it necessary to apply no IP route cache on virtual local area networks (VLAN) interfaces in an L3 switch and why? What are the advantages or disadvantages?

    NetworkingATE1,545 pointsBadges:
  • What is a non-routable VLAN? Why would you use one?

    I've heard the term "non-routable VLAN" but am not sure what exactly it means, why it exists or when it's used. It would seem perhaps just by definition that it's an existing virtual local area network (VLAN) that just doesn't have a VLAN interface created for it anywhere on purpose. Do you use it...

    NetworkingATE1,545 pointsBadges:
  • QoS value configuration in Cisco 4506 switch

    One of our customer required QOS value to be set in two vlan interfaces, they have the required values are as below: 802.1P/Q PARAMETERS IPSI Control Diff Serv.  48 Call Control 802.1p Priority 40 Audio 802.1p Priority 46 Video 802.1p Priority n/a DIFFSERV/TOS PARAMETERS IPSI Control 802.1p 6 Call...

    Kalamm995 pointsBadges:
  • Reconfiguring network switches as 802.1q VLAN trunks for VMware ESX implementation

    My data center network switches are configured as access ports, but we are soon implementing VMware ESX. Is there an easy way to reconfigure the switches to operate as 802.1q VLAN trunks to take advantage of VMware's VLAN management support?

    NetworkingATE1,545 pointsBadges:
  • Need help with VLAN configuration

    I have a router connected with Fast Ethernet to switch in VTP Server Mode (containing 2 VLANs) and then connected to a switch in transparent mode with three VLANs and after it a single switch in client mode. All these switches belong to the same domain and I have done interVLAN routing in it and...

    NetworkingATE1,545 pointsBadges:
  • 4 VLANS, 3 locations, 3 Routers, No communication between Lans or VLANs

    OK, here is my problem, I'm working on a project in the Test phase right now. I have 3 routers (Cisco 2811s), all running EIGRP, these are seperating 3 goegraphical regions. Each of these Routers is linked via Trunking line to a Switch which has 4 VLANs enable. According to everything I have found...

    CRagsdale32755 pointsBadges:
  • Simple Switch config help!

    Hi there, I have a very simple setup that I need to do on a Layer 2 Switch that has static routing. The switch has 24 ports and 16 of them will be used for the local network, and 6 of them for a DMZ. I just cant get the 6 DMZ port to work...I soon as I take them out of the default VLAN, even if the...

    Yulman5 pointsBadges:
  • Associate Vlan with subnet

    Hi, I can't figure out how to associate a VLAN with a Subnet. For subnets you need to have a router in between. For VLAN's trunking...but how do I associate these 2 so when a port on the switch is change from VLAN 1 to VLAN 2 to get IP address from a different subnet DHCP. Thank you!

    Alan Dala30 pointsBadges:
  • Why would my L3 switch drop 20-80% of my pings?

    Hi all, We are moving from a Linux based router to a L3 switch, Dell 6224. I've never configured a router before but I have experience with the Linux firewall, DHCP, DNS, etc. configuration so I was picked to configure the new router/ switch. We have 8+ subnets (labs) in the current configuration...

    Zork62615 pointsBadges:
  • Guest Access IAS policy

    I am trying to set up guest access of 802.11 wireless access points. My IAS policy puts domain computers into vlan1 and on the AP they show "Forwarding Allowed". I have set up a policy which recognises the mac address of my test guest and on the event log this is shown as a successful...

    Jrubinstein70 pointsBadges:

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