Switching

I am trying to set up a classroom network for a computer science class I am involved with. I wish to set up a closed environment within the school district network, so students can practice managing their own DHCP/DNS and not worry about effecting t...

hi! if i've given a range of ip from 152.226.224. 0 to 152.226.239.255 with subnet mask of 255.255.240. 0 (/20) to our branch office.Based on the range above, can i use the /23, /24 and etc subnet mask for larger number of subnets and smaller number ...

Dear all,I have a PC in VLAN 242, VLAN 242(management server vlan) is only routed on firewall. The Switch/Router Management should routed in firewall too, to prevent that users can connect to the router e.g. . Router management is in VLAN 2. On the r...

Hi All,I have an issue with 4500 switch, we have supervisor engine 2 plus (WS-X4013+ )and it is working fine with switch 4506, but I have a requirement so need to use this old sup in a new chasis which is 4503-E. Whenever I use this sup with new 4503...

Hi to all the experts here, I am learning the Frame Relay basic theoretically. Just wanna know, packets are assembled at router, transmit through indicated PVC. At the FRP, does the individual packets re-assembled again to meet IPX packet? What does ...

1. I want to know when there is a multilink, do we need to configure the ip pim sparse-mode command on multilink also or just the 2 serial links?2. Also, if there is a sub-interface s0.1 used for wan links, shall we configure the ip pim sparse-mod...

Hi,Looking for a switch solution which could support 16 ports of 10GbE via XFP, and about a dozen 1GbE RJ45 ports.I looked at the Nexus 5000, but as far as I can tell it only offers 12 x 10GbE ports.I need something with some serious backplane. Our l...

Hi FolksI have problem with Catalyst switch commands, I want to configure VMPS on Cisco 5505 Catalyst switch. I been through cisco website which explains VMPS database file and uploading through tftp. My question is how to create Vlans on catalyst sw...

Hi Experts,I have just small question on STP.Actually STP is a layer 2 link management protocol and it will prevent the loops, here how STP will work? how it will prevent loops?Regards,Naidu

I am trying to make sense of broadcast vs. collision. In the process I thought of a way to have a collision on a switch. Say I have a 24-port switch with a host connected to each port. What if the host on port 7 sends a broadcast packet the exact ...

hi all, i know frame relay connection works very good for cisco ip telephony wan link. apart from this which wan link will be best for connecting one branch to another branch. where i can use ip phones, data, video etc. please reply

Hi Folks,If I configure a static mac entry, like:mac address-table static 1111.2222.3333 vlan 10 int g2/0/1What will happen if traffic with DMAC of 1111.2222.3333 arrives on g2/0/1?Also, what will a switch do if I apply the following config:mac addre...

I have been trying to figure this out for a while, hopefully someone here can help me out.I have a Public class C. I want to take a /27 and route it through a VPN tunnel to another location so that other location can use the public IPs. I have Cisc...

I have a question that I figured I would pose to the forum... I am trying to use VLAN mapping and VLAN filtering on a 6509 applied to a VLAN. On the VLAN map I am referring to an ACL that I created. This ACL uses numerous lines permiting and denying...