Switching

I have a 2821 with two fixed gig ports plus a 16port switch module (16 10/100 plus a gig interface) I want to configure a vlan trunk to a downstream layer 2 switch and have the 2821 perform the intervlan routing. I need to understand the performanc...

HiGuy's can anyone point me how do we calculate the dealy for eigrp metric,i m a bit confused.i know that eigrp metric is bandwidth+dealy is this delay of the interface or ...?ThanksMahmood

I have workstation on VLAN 100 (Access Switch). When doing a source ping from another vlan (15) on the core (6509) i can ping some of the workstation on vlan 100, but can not ping others. If i source ping a workstation from VLAN 100 i get replies wit...

The 6509 switch is runningCatOs is version 8-4-1 The MFSC2/PFC2 is running 12.2( 18)SXF4 just like the document.I have followed Cisco doc id:790974There are some command used on the MFSC side which are not available in the Hybrid set up of this versi...

I am upgrading some hardware and want to move the STP root bridge primary and secondary with least disruption possible. We have about 20 VLANs, does it make any difference if 'spanning-tree vlan X root primary' commands are entered all at once for al...

Hi,We are due to deploy quite a few 6513s to replace older CATOS and IOS 6509s.The new 6513s will run IOS, probably release 12.2(18)SXF14. Our older 6509s (that ran IOS) were on release 12.2(25)EWA10Is there anything we should be concerned about tha...

Hi Guys, How can I know what is the bandwidth limit that my cisco 3620 and 2811 routers can handle? What are the factors to be considered when I upgrade my its current bandwidth?Thanks in advance.Cheers!

Hello,I want to Translate all my internal addresses on my WAN cisco's address.I have followed NAT overload configuration sample in Cisco documentation, but that doesn't work. No translations are perfomed for my internal adresses. Could you help me ?...

Dynamic routing EIGRP running on all router and L3 switches on both sites.Two ISP circuits between sites. 10MB lease line and 2MB Serial circuit.Problem:On switch (Sw-SideA), when I run 'shop ip eigrp topology I only see one route to 10.60.0.0/24 net...

Hello,At our school, our district office is on a point to point wireless connection that at the moment is un-reliable and dropping packets due to interference (we think). All of the traffic from this office crosses this wireless link (internet, VOIP...

Hi all, after a rogue adsl router nearly bought my clients to a halt over the weekend. I am going to look into implenting dhcp snooping.Firstly, Can anyone tell me where we do this, do we do it on all switches, or do layer 3 switches only support thi...