Switching

Hi All,We have one switch 4510R which could have total 300 cisco GE color phone connected. That means 300x15.4=4620W. Considering the 89% effiency for the PoE line cards, that means each line card needs 5191W input power from chasis power supply. Bas...

All right folks- We have decided to allow gaming on campus for our students. I would like to know how other unviersities handle gaming requests? Do you NAT the consoles to their own IP and proivde an ACL? How do we ensure items like "open NAT" on the...

Hello all!I have a pair of Catalyst 3560 GB switches that are trunked with two of the standard ports, and that have trunk ports connecting to a failover pair of PIX 515e's. We're considering adding a pair of cluster database nodes and an iSCSI SAN, b...

Quick question.We are doing PIM-Sparse-Dense on a VLAN interface, which has no defined IP.  Since the switch is a L3, I am presuming that not assigning an IP to the VLAN INT means that it's acting as a L2 route in all intent and purpose?... However, ...

Hi AllOK so I was thrown in to the fire yesterday and asked to figure out why a network was going down in one area every 10 minutes roughly for about 20-30 seconds.This was not a cisco network unfortunatley but debugging is the same right?  There are...

I am trying to setup a network using Cisco 2960 switches with vlans configured.  One vlan will handle video coming from four cameras that are connected to another 2960. We have four cameras feeeding one port each on a 2960, that 2960 in turn feeds on...

hello,I have an issue with one of the client on POP3 access. My client having an MPLS link from a centrallized DC via GRE tunnel.Client Switch -->Client  ASA Firewall --> EDGE Router --> MPLS Cloud --> WAN G/W of DC --> CORE SWITCHES--> ASA1 --> ASA2...

Hello,Does anyone know if  "WS-X4548-GB-RJ45V" card supports poe without any limitation in all interfaces? I have found the following link but it's not clear if it supports poe in all interfaces without any limitation.Thank youhttp://www.cisco.com/en...

Here is the ping statistics and tracert  from my laptopReply from 100.172.136.254: bytes=32 time<1ms TTL=254 <when the tunnel is down>Reply from 100.172.136.254: bytes=32 time<1ms TTL=254Reply from 100.172.136.254: bytes=32 time<1ms TTL=254Reply from...

Greetings,I have spent some time looking online and the forums and documents but have a few questions.  We are in the middle of a migration of in-house software and have had some performance bottlenecks in HTTP requests between clients and hosts on d...

Hello,If I have two switches in a stack can both stackable switches be connected to a core switch through gbics or just only one switch can be connected to the core and the other switch connects to the other stackable switch through an ethernet port ...

Hi I am bit comfuse in threshold that we config in 3560 for input & output queue .if i would say i want to config for input queue : By default   : COS 1 is assigned to queue 1  & COS 5 is assigned to queue 2 & I want that COS5 should not drop untill ...

Currently we have a 6513 core (running IOS and doing limited routing) with VLAN Trunking to about a dozen 3560 edge switches, with various VLANs going to each of the edge switches.  All works well.  We are downsizing and replacing the 6513 core with ...

Hi,Im having difficulties to get the QoS configurations working on a Cisco 7609 chassis with the sup720 supervisor card. The goal is to do some shaping and queuing in the upstream towards the device in the subnet on this interface vlan.Problem of the...

I have a basic setup with 2 x 6509's at 2 separate sites running OSPF area 0 over a 100MB link. There is a also a 30MB MPLS link connecting the sites. Default OSPF behaviour is routing traffic between the sites via the 100Mb link. I need to change th...