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Currently I've got around 20 vlans, each containing several printers. As our technicians are messing with them quite often, especially replacing one with another quickly in case of a failure, they tend to forget IP addresses of them printers and they...

Resolved! auto qos help

Hi allI enabled auto qos on my 2960 switches, it has put mls qos trust cos, which is fine as it will map to dscp anyway, but the uplinks from my 2960 to my core also have trust cos, the core switch in the datacentre has trust dscp configured to the 2...

Greetings,I am attempting to configure and get working QoS on a Catalyst 3550 (C3550-IPBASE-M) with IOS 12.2(25)SEB4.So far, I have configured the following ACL ('ip access-list extended VACL') on my switch:Extended IP access list VACL    10 permit u...

I have a vlan configured like below...interface Vlan20desc printersip address 10.23.86.1 255.255.252.0interface Vlan22 description laptop ip address 10.23.104.1 255.255.252.0Now I have a pc configured IP: 10.23.87.108 Mask: 255.255.240.0 DG: 10.23.86...

jopetik09 by Level 1
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  • 12 replies
  • 0 Helpful votes

Hi to all, i was no able to understand the reason behind portfast configured on an interface that is in trunk mode.Usually, i know that port fast is used on access port in order to speed up the transmission of data by a final host, so whici is the fu...

Hi, all.i have 1p3q8t on our 6500 E switch modules  I just want to check something:If i dont need Q2, but only the priority queue (Q4) for voip, Q3 for signaling and Q1 for all other traffic, can i disable Q2 by configuring:wrr-queue queue-limit 65 ...

Resolved! HSRP instability

Hello everyone,I'm having a problem of hsrp instability. The scenario is two 6500 and one port-channel ( two tengiga ports - 6704). I started to notice hsrp instability and searching for one workaround i´ve found the ip spd command. This command has ...

Is it possible to build anetherchannel to 2 different switches ?I saw that on Nexus 5000 you can useVPC is there any way to do like thaton a Catalyst ex 2950.I now that it would be possible with2960S if you stack them.

ppcisco by Level 1
  • 453 Views
  • 3 replies
  • 0 Helpful votes

Resolved! ios commands

Experts,some Cat os ouputs need to be used in IOS. It would be of great help if any experts can help with equivalent output in ios for below commands.set qos map 2q2t tx 2 1 cos 1set qos drop-threshold 2q2t tx queue 1 200 200set qos map 1p1q4t rx 1 3...

suthomas1 by Level 6
  • 807 Views
  • 4 replies
  • 0 Helpful votes

Each connection is trunked.Native vlan is 2.Each switch has 2 ports dedicated for etherchannel.Also negatioation is setup for non.The top two switches on either side will be trunking 5 vlans.The below two switches will only be trunking etc.. 1 vlanCo...

We basically use Wireshark to sniff our traffic and we have a laptop with software called Sniffer on it, which analyzes the traffic and highlights any threats and groups traffic together so that you dont have trawl through loads of traffic. We want t...

Hi FolksI have an IBM Blade server connected to core with 6 GB(each NIC IS 1GB) With portchannel but i noted that color is  ORANGE blinking on the Server side,so how we start troubleshoot in the core and how to fix it?thanks

I need to stack new C3750X Switches together with older C3750G Switches.In that case the switches should have all identical software images.I tried it with the versions 122-53.SE2  but it didn`t work.The logging describes every time a  major_version_...

tziebarth by Level 1
  • 3472 Views
  • 6 replies
  • 0 Helpful votes
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