Switching

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...

Hello,We have 4 switches in a spanning tree, each switch is connected to each other (circle topology) however all trunks show as up and connected, shouldn't one of the trunk ports show as err-disabled or down as it has been blocked during the the spa...

Can someone look at this configuration and help me troubleshoot why my port-channel did not come up?I have a 6513 with a SUP 720 10G and a 4510 with SUP 6E. I installed new 10Gig uplinks and tried to configure a port-channel but could not get it to ...

We currently have a single standalone 2821 configured w/ a 9 port HWIC Etherswitch acting as a choke router at one of our vendor access points.  If I wanted to upgrade this design to provide diverse access, I would need to deploy a second 2821 access...

I'm having some trouble with establishing a trunk port between a Cisco 6513 and Cisco 4948.Here is the config:Cisco 6513int gig 8/1switchportswitchport encap dot1qswitchport mode trunkswitchport trunk allowed vlan 1speed nonegno shutint vlan 1descrip...