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Cisco Community - Lab Series

Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

c3550 process issue

We are running with c3550 it was generating huge amount of logs due to some earthing issue, so to avoid the huge logs storage we have disabled the logging option, unfortunately after which the CPU utilization will raise to 25 to 30%, if i enable log...

Resolved! Cisco 4006

Does the Cisco 4000 series switch support IOS or is it just Cat OS?Cant remember and need an answer quickly...ThanksVictor

lamav by • Level 8
  • 742 Views
  • 3 replies
  • 0 Helpful votes

6506 sh proc cpu - IDLE_Tasks

Hi guys, I am running 8.4(1) on cat6506. Is there any commands i can use to see what idle_task is doing? Also could this high due to STP? Below is the output from the top talking processes.Thanks----------------------------------- CPU utilization fo...

a4wonoiki by • Level 1
  • 473 Views
  • 1 replies
  • 0 Helpful votes

Worm Issue

Hi,I just like to ask if theres a command to see if theres a worm on the router, or like for example port 455 gets a worm, how could we verify that on the router.Thanks

ARP and MAC Limit

What is the ios behaviour if for eg 7600 or 6500 exceed the sup or interface arp/mac limit.Will it drop the new arp request or overide the oldest?Any document for the same?

tahseen12 by • Level 1
  • 552 Views
  • 1 replies
  • 0 Helpful votes

Port connection with Catalyst 3560G

I have untagged traffic "green" and untagged traffic "red". My goal is: green-traffic flowing only in port 1 and 2; and red traffic flowing only in port 3 and 4. With the "old good" catalyst 3500 I used the switchport mode multi vlan, because there ...

A NAT QUESTION - is this sensible?

I have a server 10.1.2.5 which is on a 10.1.0.0 network and have users located in another network - 192.168.0.0. I need these (192.168) users to be able to reach this server. Assuming that the INSIDE network is the 192.168.0.0 network I assume I want...

peter-net by • Level 1
  • 684 Views
  • 3 replies
  • 0 Helpful votes

Resolved! 3560 QOS

If i want to say change all packets coming in at cos 4 to be set to a dscp value of 16, do i need to put the mls trust cos command on there.IE:mls qos (enables qos)mls qos map cos-dscp 0 8 16 24 16 50 48 56 (this maps cos 4 to to dscp 16)now when pac...

mikegrous by • Level 3
  • 2416 Views
  • 21 replies
  • 0 Helpful votes

Cisco 6509 High CPU Load

hi, I recently replaced a Cisco 7606 with a Cisco 6509. The same configs on the Cisco 7606 were moved to the Cisco 6509 and the same supervisor engine type was used.it was noticed that the Cisco 6509 remained at 100% after the installation.This has r...

oukpaka by • Level 1
  • 825 Views
  • 1 replies
  • 0 Helpful votes

Resolved! default gateway question

Hello, I'm configuring some workstations on the 10.151.0.0/16 subnet range, my default gateway is 10.1.0.1what do I need to configure to have network connectivityMy router is running Eigrp, with no auto summary and the network command is set to 10.0....

PBR Issue on Cat 4500..

Hello Everyone,I am facing a strange problem on the core switch of my network. I have a Device in VLAN 1 directly connected to the core and fully reachable (IP 192.168.0.214) to which i want to redirect the traffic of VLAN 4. I created access-list 10...

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