Switching

The company that I work for has a vlan setup for each floor and each floor is connected via a switch which is then trunked to the management switch. From my understanding of a vlan, the purpose is to logically connect machines that are not physically...

Hi All,    Please help me out with this. We have different Vlan configured in my setup in office. While pinging a IP i found out that its giving intermittent error, as shown below.1) ping 10.128.203.102 repeat 100Type escape sequence to abort.Sending...

Hi all, with COS, does this actually provide you with a mechanism to prioritize the traffic as it stands for class of service, not quiality of service, and this all happens at layer 2 ?

Hello,I am trying to classifiy incoming packets from IP phones using ACL. Below shown my detail config. However, when I use Wireshark and check packets arriving from IP phone, it shows DSCP=0.  It seems teh ACL doesn't applied on the access port.FYI,...

Hi,I'm completing my first vss software upgrade with efsu.  I followed the procedures but I'm getting an error message when trying to load the issu loadversion command.  (must be named first in BOOT [ bootdisk: ]).  The current running image is locat...

Hi,  I have a peculiar issue since Monday Jul.5,2010. There was network loop which slowly freezing my network & intermittent disconnections to the server sessions from the workstations. When i logged in the core & access switch, i saw the log  asJul ...

Hello all,We are having a cosmetic problem with a etherchannel connecting 2 Cisco 6500, via 2 gigabit interfaces in each side. The link is okay and is it working fine, is more a cosmetic problem. The devices are directly connected and when we do a "s...

Hi Guys,I've just started on my CCNA studies and I've got an ME3400 that my boss has given me to play around with. He would like me to update the software by connecting to a TFTP server but I can't seem to get it going.I've got port 1 hooked up to ou...

Hey I'm trying to convert the FreeBSD servers at work to dual-gig lagg links from regular gigabit links. Our production servers are on a 3560. I have a small test environment on a 3550. I have achieved fail-over, but am having troubles achieving the ...

Greeting.We knew that, if we advertise default-route to all ospf domain, we should confiigure 'ospf default-information originate' in ospf process.However, but some ios, or version, We can do as following to advertise ospf default-route. ip route 0.0...

Hi,I have a cisco 3750E running c3750e-universalk9-mz.122-53.SE2.bin. The ip policy route-map command is not available under the SVI. Any ideas why?Does this switch not support PBR?I configured the sdm prefer routing and rebooted, still the command i...

I want to keep inter-VLAN routing on the switch (about 10 vlans with L3 routing) and for some VLANs I need different gateway. I tried to run PBR on incoming vlan. interface Vlan10 ip address 10.10.10.1 255.255.255.128 ip policy route-map test inte...

Hello,We have a 2955 at a remote site (no one onsite) and a port keep sgoing up and down every few seconds.  It has a server at the other end of the port and they ahve replaced this and the Cat 5 cable and it is still doing this.FastEthernet0/1 is do...