Switching

We have connected 2 sql servers (one to primary switch 6509 and one to secondary switch 6509).Once we are doing failover of secondary switch just disabling port of secondary switch where Sql server is connected.It fails but if both servers are connec...

Hi,Need help with network planning here.Our servers are hosted at the Main site, site office A access to the Main site for Internet and servers.We are thinking NextG to take over when the link between sites goes down.To start with, can anyone please ...

Hello.....We have multiple switches(Cisco 4510, 4507R, 3560's) within our network. I've been looking over the port settings between them and noticed that not all ports that are connected directly from switch to switch are trunked the same. Some are d...

We have purchased 3 no CISCO SF300-48P (Access Switches) with the interest of setting up a new laboratory consisting of 120 desktops. We currently have a CISCO 4507R   (Core Switch) and a CISCO 3560 (Distribution Switch) for the campus wide network. ...

Can anyone explain these different operating temperature ranges? I would think it doesn't matter the enclosure that the switch is in, it will either work or fail at a certain temperature.• -40C to +70C (Vented Enclosure Operating)• -20C to +60C (Seal...

Hello Community,I have Cisco Catalyst Swicth 2950T-24 and the following scenario:Port fa 0/1 : Trunk VLANs 10,20,30  (Providing trunk access to another remote switch in the network in order to re-distribute to customer)Port fa 0/2: Access VLAN 10 (Cu...

HiI am trying to build a site-to-site VPN between cisco 1811W on a main office and SRP541W on a remote office.I already have the configuration for the 1811W through SMD, but can't install the SDM on the SRP541W.Does anyone know if the SRP541 is compa...

Hi All,I have a got a requirement where a 24 Port Switch should have 4 SFP's and all 4 should be used at a time, So I've chosen " WS-C2960S-24TS-L"The transeiver should be GLC-LH-SM, so kindly let me no whether I would be able to use all 4 ports at a...

i have cisco nexus 3064 Switch. i have configured DHCP option 82 in the switch (ip dhcp relay, ip dhcp relay information option). In my DHCP server i get the circuit id as "snmp_ifindex". But i need  "vlan-mod-port" as circuit id .. How to change the...

With vmware's acquisition of Nicira, the era of network virtualization through Software Defined Networking has entered the mainstream. It won't be too long before the days of complex proprietary hardware are gone for good. Configuring and managing in...

I have a 2621 that I am configuring on the internet. My ISP gives me a static DHCP assigned address and then two more static addresses that are not part of the same block. (e.g. 1.2.3.4 is static via dhcp and then they give me 5.6.7.8/30). I have fa0...

Hey guys, I know I'm missing something very simple here, but please help me out. We just purchased SolarWinds NPM, NTA, etc. We are using SNMP to pull data from the devices. My problem is that I cannot see any of my edge devices from SolarWinds serve...

Is there any in depth documentation on how to configure a VWIC3-4MFT-T1/E1 card? It will sit in a CISCO2911/K9. The network is point to point T1s - a quantity of four coming into this router.Thanks,David

Hi ,I have  Cisco ASA 5510 series router  which was handling by our one of  our network admin who left without giving admin password. Now this is time to  break the password . Since i don't know  the admin password of the router , i don't how to hand...