Switching

Neep help on this strange issue. Two catalyst 6506 w/720 sup configured with hsrp on VLAN 23. However, "show standby vlan 23 all" shows two groups under hsrp 23. Where does group 1 coming from, and how to delete it? the Group 1 is doing nothing but g...

Why does Cisco not offer round-robin load balancing for etherchannel?I understand that round-robin can result in out-of-order packet delivery, but tcp is well equipped to deal with this issue. Per-packet load balancing is achievable at layer 3, so wh...

Hello,I am working as an Intern at The Conference Center Niagara Falls, I got an issue with the network. I got a WC-C3750G-12S as one of the device and the GigaEth1/0/2 , 5, 6 turn amber frequently (like twice in a hour). I guess the problem is with ...

I'm having a problem setting the 'default gateway' on an SG300 switch, every time I set it I get an error saying that the gateway needs to be directly connected to the device.I can't connect the gateway directly to the device as it's the other side o...

Okay guys,I managed to get a 4006 at an auction that used to belong to a school real cheapIt came fully populated with fast ethernet modules.  So I Thought that this would be nice for my home lab.The only problem is that I can't log into the switch....

Hello all,Recently I got a weird issue .....  IPT servers ( CUCM, Unity and UCCX) lost communication from time to time.(The logs on those servers show that).IPT servers are connected to 2 x 6513,  found the following error message on both switches:%C...

HiI have just configured VSS between 2 6504 cisco switches.I have enabled the vss as such -switch virtual domain 4 switch mode virtual switch 1 priority 255 mac-address use-virtualThe other switch was switch 2 priority 1.On the port-channel which is ...

Hi!I'm experiencing problems with my phones (7945), we have 2 4506-E, WS-X45-SUP6-E and this is the background:We have just 1 voice vlan in the beggining, suddenly we start experiencing one-way audio between phones in the same vlan, all deskphones ar...

I want to know how to create the access list to block all intranet ip range & allow other internet ip range.Natted IP to 10.7.145.2 ( which is having internet access ) range 255.255.255.128   ( setting up wifi on linksys router)I did this way & coudn...

Hi,We have been upgrading our 3750E switches.  3 of the 4 have been fine.  The 4th wont boot from the image but will start from the older original image 12.2(44)SE1.Anyone got any ideas of what I am missing?Cisco IOS Software, C3750E Software (C3750E...

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Hi there. I have been experiencing a weird problem and i'd like to get some help from you if possible.I've got a VSS environment working with the IOS version SXI5. Some hosts which are connected to several VLANs in the VSS cluster with LACP, sometime...

We have Cisco 6509, running IOS ver. 12.2.  We need to configure VLAN's. Are these the steps to configure Vlan's?  So, you would configure each Vlan first.  Then, associate switch ports with Vlans.  Please feel free to add any comments.  Thanks.confi...