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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...

Resolved! router on a stick

I have an isr 2851 and need to support multiple vlans on g0/0, I'm connecting to a layer 2 switch. Is a router on a stick my only option? Do the isr's support a trunk command, similar to the "switchport mode trunk" found on cat switches?

Hello allI am desperately trying to trying to get a firm grip on the "show ntp ass."figures being:1) address2) ref clock 3) st4) when 5) poll 6) reach7) delay 8) offset 9) dispthe 3 first numbers a self explaing.nr 4 "when" is when the ntp l...

towli by Level 1
  • 711 Views
  • 2 replies
  • 0 Helpful votes

Hi,We have glbp running in our network.I need to check if loadbalancing if indeed happening with this.I can see round robin happening.But how to see it in real based on some other parameters ,How can we check this?2)Is there any other thing that can ...

suthomas1 by Level 6
  • 588 Views
  • 1 replies
  • 0 Helpful votes

Hi,Would like to confim the following:(1) will enabling qos using "mls qos" cause any network disruption?(2) will disabling qos using "no mls qos" cause any network disruption? (in case we need to fallback)My client is concerned about enabling/disabl...

e-chuah by Level 1
  • 1345 Views
  • 3 replies
  • 0 Helpful votes

Hi All,Anybody having a good tool to check load test on WAN link for example from A site to B site i want send the packet size with 34 mb (34816000 bytes) to check the load and performance as the link is 34 mb.I tried to check from router but the max...

I am looking for some documentation on how to upgrade the IOS/Software etc on a 6500 series switch. I am providing a list of cards installed. I have never attempted this on this type of switch and could use some guidance. Also is the 6513 use the sam...

I have an ASA 5510. I was trying to figure out if there is a way to redirect users based solely on the MAC address. I have a website on the "inside" interface. Users who are coming in from the "outside" interface will be directed to a different we...

Hello, if there is anyone that can please provide any documentation supporting for or against this idea it would be great. There is a plan that has been proposed by the designers in my organization to use RSTP over LAN extensions to provide redundanc...

ttaylor by Level 1
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  • 5 replies
  • 0 Helpful votes

Hi all, can i configure span in router ios ? i think we cant so is there any workaround to get a copy of all the packets rec on one interface to be sent to some other interface ?Kindly guide me in this

Hello,we drive a switched network in a hostel. Users change every 14 days. How can I monitor the traffic for each user?At the moment I use an ACL which logs to a syslog server. The problem with this is that the hosts get their addresses via dhcp, but...

Can anyone recommend a best practice for the following scenario?We currently have a 3750 stack of 9 switches to which all our servers are connected. We have created a vlan (vlan 12 not routed) that we use to connect all the servers that we wish to ba...

Whats the recomended way to upgrade the IOS on a stack of catalyst 3750's? i.e. 3 x 3750 in a stack.I am attaching a forth 3750 but the IOS is at a higher IOS version as all switches (including the Master).Many thanks.

Hi All, this command is a little confusing to me:"switchport trunk native vlan (vlan ID)"So the way that I understand this is that if a frame comes in that is untagged without a vlan or vlan 1 that it will default to the vlan that I specify in this c...