Switching

What makes an interface on a switch go up?

So what besides entering the no shutdown command would make an interface go up... would plugging a cable force the interface up?

What makes an interface on a switch go up?

It seems each time I do an IOS upgrade on a router or switch I'm trying to repurpose, I forgot all I learned the last time.I've read a lot today about the differences and the eight IOS "packages."The choices I have are: Advanced Enterprise Services a...

Hi guys,I am mounting few switches and routers in a rack in our new office. I am new to this and was wondering if I can stack them all on top of each other or need some gap for ventilation? The rack is in a server room which has proper ventilation an...

Hi All,At our Colo center our ISP is giving us two lines.  Each going to their own router and are configured as HRSP.  I have two firewalls that will be running in HA mode as Active/Passive failover.  I need to connect the two lines first to a L2 swi...

Hello all,I have a Catalyst 6509-E with SUP2T and a WS-68xx series SFP line card. On this line card I will have 5 trunk connections going to ME3400 4 port access switches. There is one tagged VLAN allowed on all trunk ports and it is the same across ...

Hi all,I have a strange connection problem that is occurring at random intervals.  I have a stack of three 3750s that I had to recently reload to update to c3750e-universalk9-mz.150-2.SE5.bin.  When the reload occurred a few client computers are unab...

Bought a 3560 poe and its currently running base ip services.c3560-ipbasek9-mz.122-44Was asked to download the latest version of Advanced ip services.Problem is i cant find the the advanced ip services in the latest release section. 12.2.55 Se8 ?All ...

Hi all,I was reading today that Cisco Release IOS XE 3.4.0SG does not support Layer 3 MEC on the 4500 platform.I would like to configure my MEC and run OSPF on my UPLINK.  I would also like to prioritise 1 uplink over the other.Would something like t...

I have port security configured on the switch with no STICKY mode. Many computers can connect on that switch and DHCP works well, but a particular win8 laptop gets blocked immediately when I connect to that 2960. I have a second 2960 and the same pc ...

All,Do we need to enable authentication for passive interfaces in OSPF? I don't see any reason to, as there won't be any peerings or even any LSA's going out the passive interfaces, just wanted to verify. I'm thinking more of a loopback interface for...

Hi folks,I have a question regarding using a 3750 for a DHCP server. I have read thru the switching community forum and see many posts concerning a DHCP server an how to configure and the use of multiple vlans, etc... I was wondering if anybody out t...