Switching

I have a number of 3750G-12S  based switches in a stack that connect to a number of 3550 edge switches via fibre. All the ports on the 3750 are set in trunk mode and there are 25 vlans set up that uses VTP for vlan  management and uses the default VL...

Hi,My name is Sandeep and I am facing very weird problem with my 2960 switch. I have configured my Juniper firewall interface with the ip 10.11.89.5/24 and connected it to 2960 switch port. The default VLAN created on switch is carrying ip address 10...

Please help to find out the cause!

We've been experiencing for a while now issues with discarded packets on an interface on a 3750, this interface has a server attached that does backups on a nightly basis across our WAN.When I look at both the interface on the server and the interfac...

Hi All,I´m trying build a very simple scenary using intervlan routing with a router 2621XM with a Catalyst 2950.My router is connected using fastethernet 0/1 to the fastethernet 0/2 on switch.Link lights are up, but still can´t get access from router...

Hi,Can you explain the sh route in red? What path would it take to get to 10.245.65.4/30? I did a traceroute and am still confused.TIA.PFsh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP       D - EIGRP, EX - EIGRP external, O...

I purchased 128MB compact flash for my supervisor module WS-X4515 on my 4506 switch. Part number for compact flash is MEM-C4K-FLD128Mout of the 6 that i have purchased, 4 of them were bad, it get a %Error opening slot0:/(Bad device info block).i can'...

Hi All,We have 2 sites(A and B) in london and are merging into one site A. Switches from the site B will be reconfigure for site A subnet. We are also extending site A from 3rd floor to 5th floor.we are using 10.9.1.x in site A. Plan is to use fibre ...

I'm having an issue which I believe is either HSRP or STP. I have 2 - 6513s as my core switches with VLAN interfaces and spanning tree configured as in the example below:Core 1interface vlan 100 description XXX ip address 10.123.100.2 255.255.255.192...

Guys,can you please advice me with a switch selection ? I have a 7204 vxr router , that i need to connect with a switch , now as per my client they will be using a high no of Ip addresses ( around 120000 ip's  -- using around 90000 - 100,000 most of ...

HiI have a friend who rents out 14 small offices to small companies.He has asked me to help him setup the network infrastructure, however I have some questions that I hope you could help answer.All the offices are already cabled back to a central rac...