Switching

I am troubleshooting a multicast problem we are having and am using Microsoft's mcast.exe to generate a multicast stream. the group address I am using is 234.10.10.10. I have PIM sparse-mode configed on all L3 interfaces and am using Anycast-RP with ...

Hello guys,I am getting very strange ping replay exactly : !.!.! A port on 2960 Switch is connected to voice board (PBX). When I ping the PBX from the switch I am getting the replay above, but I dont have any problem with the network connectivity. ...

Hello All,I need my router (2851) to mark VoIP packets on the egress I/F (Gi0/0) before sending them to my core switch (4006) with a COS value of 5. I created a policy map to do this but when I try to apply the policy map to the egress I/F I get thi...

The topology: (hopefully my ASCII drawing formats correctly)-------------[IPTube1]-<vlan11>-[2970]-<vlan11>-[3825]-<vlan42>-[1811]-<vlan31>-[IPTube2]The IPTubes are from Engage and are TDM to IP devices that have been configured to mark packets with ...

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