Switching

                  I am just setting up a simple scenario with a 1841. Server @ 172.31.1.1 cannot ping 172.31.0.254 or 172.31.0.105. It can ping 172.31.1.250. The router can, on the other hand, ping devices on both networks. This is just for testing r...

I have a situation that I'd like to run past folks who might have a better understanding of Cisco equipment than I do.I have a device which will be sending voice and data packets and is able to mark the packets with DSCP values.   Voice, 18 and Data ...

I have this situationsw1(3560)<---ospf-->sw2(3560)---->users( vlan 1)sw1interface g0/1no switchportip address 10.0.0.2 255.255.255.0router ospf 1passive interface defaultno passive interface g0/1network 10.0.0.2 0.0.0.0.0 area 13sw2interface vlan 1ip...

                   I have a cisco 2960 that I seemed to have lost the password. Its just a test switch. I would like to know how to reset it to factory default. I have managed to get to a switch: prompt by holding in the small mode button on the fron...

Hi guys,Is there any way of allowing only one MAC address on a port using port-security but from a certain range of MAC addresses. Therefore for example the MAC address starting with 000c.29 is the VMWare manufactures range. We have PC's running virt...

Hi,I configured BGP in 2 different ASN. All route did not exchange properly. I am Attaching the topology and configuration of all routers. Plz find the mistake and help me to correct it.Router 1!!version 12.4service timestamps debug datetime msecserv...

we have to upgrade to nxos 5.2(4) but i cannot find same image for epld , i only see a downlable image with version 5.2(3).Do you see any problem if we upgrade kick and system image to 5.2(4) with epld 5.2(3)?

Hello guys,I'm currently experimenting with a SF 302-08MP. But I realized I do not have the opportunity to create DHCP relays to different DHCP servers depending on the interface the requests were received.Did I miss something or is there really no w...

Hi,We got a bunch of port-sec violations on port fa1/0/42. after checking logs, we noticed that the MAC address responsible for generating the alert was not one, but many.We asked the user, he said he only restarted his computer.The MAC addresses hap...

I have a number of 3750 switches stacked with the cables at the back.I now have a brand new 3750G 24-TS to install and I presume it makes sense for it to be the stack master as its the latest switch with the newest IOS.Should I just plug it in, or cl...

                   Could I configure and connect 3 Dell switches to an ASA-5525 Firewall which has got 8 interfaces