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Resolved! HSRP with Vlan Maps

Hello,I was tasked to filter traffic on my network which consists of the following:2 x Distros and a bunch of access switches.I'm running HSRP on my vlans which works great but I have to filter outbound traffic from accessing certain things.  For exa...

Switch recomendation

Hello AllI am looking for a recomendation for a Layer 3 Switch that will suit my needsCurrently I am using 150Mbp/s and ~ 200Kpps with one provider which is costing me alot of moneyThe facility where I am colocated has an internet exchange and I am i...

Resolved! what do these outputs mean QOS

How are the below measured, what do the values mean, I thought they would be a percentage out of 100, but the numbers seem odd to me, please can someone tell me why the numbers are used and what they mean and are measured in ?Queueset: 1Queue     :  ...

spanning tree loop

Hi guys,I got this error message, every time i get the host flapping message , I get a spanning tree loop. %C4K_EBM-4-HOSTFLAPPING: Host x:x:x:x:x in vlan x is flapping between port Te1/x and port Gix5/x %SPANTREE-2-LOOPGUARD_BLOCK: Loop guard blocki...

zappo0305 by • Level 1
  • 1112 Views
  • 4 replies
  • 0 Helpful votes

arp no response

HiHave a problem that I'm trying to understand and find the solution for. Maybe someone here can help?As shown in the .pcap files, the problem is, that my switch isn't getting a arp reply when connected to my catalyst 6500.When I connect the switch t...

smakodako by • Level 1
  • 4500 Views
  • 2 replies
  • 0 Helpful votes

Resolved! 3750 Stack - IOS Upgrade

Hello,I want to upgrade the IOS on my stacked pair of 3750s. There is not enough flash to install the new IOS alongside the old one. Can I do this:1. delete old IOS from flash1:2. copy new IOS to flash1:3. set system boot variable to use flash1:4. re...

Anyone use the X2-10GB-ZR on the 4900M?

Does anyone have experience with the X2-10GB-ZR transceiver?One of my fiber paths is 37.3 km, -16.78dB. Its a bit out of spec for the X2-10GB-ER using the Catalyst 4900M.Is there an adapter needed for shorter ranges on the ZR? I know the ER has one.....

Resolved! Router RIP Configuration

Hey guys, I'm using GNS3 to try out some labtas I've been thinking of. I've got this one where I'm setting up RIP and I'm stuck. I've attached a picture of the topology so you can see for yourself.Here's my problem.When I enable RIP on all the router...

Etherchannel (LACP) Between Cisco and Extreme

I'm trying to get LACP working between a Cisco Switch (3750 stack) and ExtremeSummit400.I have looked online, and I'm not seeing a whole lot of documentation on the Extreme end.  I did find this blog post: http://www.thecruftofmybrain.com/2010/12/04/...

Cisco 887W WLAN configuration

I have just purchased this device, came with IOS 15.1(1)T2All the configuration advice is for 12.4, and this version is drastically different!I can't enable or set up a bridged wireless network (same VLAN and subnet on LAN and WLAN, I can't even get ...

Resolved! Catalyst Express Connection error

Hi, I'm fairly new to Cisco. I came across a problem in a production network that I'm currently strugling with.The site has:Uc520  RouterCatalyst Express 500 SwitchesCatalyst Express 500G SwitchesI have been using CCA to setup smartports after a powe...

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