Switching

Hi All, I have configured the Cisco 6509 to send all the snmp traps to the NEtact snmp server. I get the config change traps being sent to the server. But when I plug and unplug my laptop to a Gigabit interface I do not get any traps. I am able to se...

Hi,I need to downgrade my cisco IOS from version Version 12.4(15)T7, RELEASE SOFTWARE (fc3) to Version 12.4(11)T2, RELEASE SOFTWARE (fc4).How can I achieve that and what is all I need to do that.Thank youYamin

Hi all, can anyone list me some good advantages of using a distribution layer in my network, ie, more control, keeps broadcasts from core etchelp would be much appreciated.thanksCarl

Plz find the error message*Oct 15 08:26:19: %IP-4-DUPADDR: Duplicate address 10.205.124.2 on Vlan6, sourced by 0009.6b99.982ePlz reply on urgent

Hi all,after reading the cisco srnd on the campus lan design model, it says that QOS policies should be applied at the distribution layer, my question is, what kind of policies? as I thought that most qos is done at the edge, with regards to marking ...

I have two cat6513,I have many vlan in both switches. I want to set HSRP in these switches so that I have redundance with a router (3845)I have been looking examples for HSRP for swithes but I only found for routers.Is not clear for me how to handle...

guys can we do load balancing on HSRP as i till now i thought that HSRP cant do load balancing it more like active and standby thing....???? and if yes how we do that

I am in the process of planning an upgrade to one of our factories,the problem is the old switches cat 3524s have vlan 1 as their management vlan, and the new 3750s will have vlan 51 as the management vlan, with the same IP subnet, during the cutover...

Hi,I have been doing some testing with IGMP snooping. I do not have any multicast routing setup, and am using default IGMP Snooping on a 2960 12.2(44)SE IOS.When I start a multicast stream using VLC on an IP (239.255.10.10 for example) - the switch ...

Dear,how to cek broadcast/unicast packet on C6500/C4500, if ping my catalys's >1000 ms 4 time then normal to 1 ms continously.And what is impact to the network if i activated the storm-control?\Regards,Edgar Pascal

Hi,We recently added some workstation, ip phones and servers to our existing network.It seem that we need to upgrade our simple network design.I would really welcome suggestions.Here is what we actually have:1x router 2801 w/ CCME & CUE for 16 users1...

The time on debug Oct 15 16:01:39.885: seems using greenwich time, however show clock use local time zone. Sometimgs it's quite confusing. How can we sure the log time also shows the local time?

I'm in the process of working on a new switch configuration. Basically what we have are 2 L3 switches that will have multiple VLANs and 802.1Q enabled. If devices are plugged into the L3 switch things work fine.The question/problem I have is that t...

Hi,Recently I create monitor session on my Catalyst 6509 ( Supervisor Engine 2 with IOS version 12.1E(19)) monitor session source are 2 VLANs, destination is one GE port. After created, one of linecard on Catalyst6509 restart and syslog message are :...