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Hi allI have a bit of confusion where I should enable these 2 features, some sites saying different things,I have 2 distribution switches and then access switches dual connected to each, should I enable root guard on all edge ports and not the uplink...

I am trying to create the most simplest of VLAN filters out there, yet it doesn't work.  My goal is to filter the traffic on VLAN 3060 to only allow DHCP (so client can get an IP address from our server) DNS, HTTP and HTTPS only.  Nothing else.My con...

tdennehy by Level 2
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  • 2 replies
  • 0 Helpful votes

We have users buying their own 8-port D-link/Linksys/Netgear mini hub to connect multiple network devices.  Is there an easy way to find switch ports that have multiple MACs associated with them, excluding uplink ports?  Keep in mind that we have 100...

kevin.hu by Level 3
  • 2352 Views
  • 9 replies
  • 0 Helpful votes

Hi. I have a WS-C6509-E running 12.2(33)SXH4, and the following modules:1   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX     XXX2   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX     XXX3    6  Firewall Module                 ...

I have two L2 switches that are redundant using spanning tree and I have two ISPs.  I would like to put in 2 switches (we'll call them ISW1 and ISW2) capable of running HSRP as well as IP SLA to achieve the following.ISW1 and ISW2 are running HSRP wi...

ngthen by Level 1
  • 4366 Views
  • 12 replies
  • 0 Helpful votes

Hi all,I am trying to use the capture function in my FWSM on my cat6509.The function is configured to capture on a certain interface on my firewall context, but I can't seem to capture any traffic (!).Trying to fix this problem I upgraded to software...

my environment:WS7609-S <-----> 7204SUP-720-3B with c7600s72033-adventerprisek9-mz.122-33.SRE1.binmodules: WS-X6724-SFP , and several GLC-T now i met these trouble/questions below:1st: I try to use a twist UTP(straight) connect between 7609's GLC-T 1...

coastail by Level 1
  • 2449 Views
  • 2 replies
  • 0 Helpful votes

Hi everybody,I need to know, if I order cisco catalyst 4503 with supervisor engine II Plus TS, I must to order also any other additional software, like IOS or any?Or this switch is comming with IOS?Is the first time when I will use Cisco Catalyst, an...

Using ' show ip DHCP bindings ' on a router operating as a DHCP server I have strange entries under the DHCP client-id/hardware address ( example below ) , should they correlate to the clients MAC address ? IP address       Client-ID/              L...

rwilletts by Level 1
  • 1104 Views
  • 4 replies
  • 0 Helpful votes

HiWe have connectivity between our three data center through the OSPF protocolSITEASITEBSITEC all running on Area 0all connected routes from 3 sites are advetsied through OSPF and working fine now my requirement is from SITE A i have also connected t...

Hi Guys,All throughout my network I'm seeing the line protocol on our switches go up and down lik a yoyo. Numerous ports on numerous switches have expeirenced the issues and I am struggling to ascertain why.I cannot produce the issue on demmand, it i...

Hi, I just purchased a Catalyst 2948G switch not realizing that it has CatOS on it. Which I have no clue how to use. Any tips on converting modern IOS 12 commands to CatOS?

Hi allAfter some reading on UDLD, am i right in saying that it will only work if the thing plugged into the switch is udld aware? so if in aggressive mode on my cat5 links, if I plug a pc in udld will not work?? is this true??cheersCarl

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