Hi Everyone..I am a complete newbie to Cisco equipment. So far I've been able to figure out how to do most of what I needed by using the ASDM but I have run into something that is a little more complicated that just opening a port.We currently have a...
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Forum Posts
Hello,I'm working designing a switch system for our core/data center and I am wondering if anyone has any recommendations.We have 5 esx hosts, 2 sans with 3 nodes each. We have voice servers, a couple of routers and a few odds and ends. There are 7...
Hi,I'm very new to Cisco Switches and Routers so forgive the questions :-)I have to put an ACL Firewall in front of a public IP range.There's no routing so I want to do it with a transparent layer 2 Firewall. I found this document which descibes exac...
Resolved! Determining the MAC of a remote switch?
Remote as in not the one I have consoled into and not adjacent to that switch either (there are 4 "upstream" switches). I have seen suggestions on older posts where it is recommended that we use sh cdp neigh detail to acquire the IP of the remote sw...
A multisite network is currently supporting muticast using PIM dense mode, which is enabled on router/switch LAN and WAN interfaces across all locations. I am about to introduce Nexus switches to the main LAN. How can I make dense and sparse mode coe...
I cannot find ANYWHERE a visio stencil for this card. I can all the other POS PA's on the TAC website, but nOT for this PA..does anyone have a link to this PA ??
I have a supervisor blade, (VS-S720-10G-3C), in a 6513 that is faulty and needs replaced. Do I need to replace the IOS on the new supervisor blade to make sure it is the same as the IOS image that is on the Active supervisor module, or will it synchr...
I want to bring up 40G interface between two nexus 3064 over the fiber but it's not coming up. Have configured the switch for 48*10G and 4*40G. I'm using QSFP on both the switches, OM3 straight fiber cable with MPO connector. The interfaces are not c...
HI,I have two C2960 switches which have the management VLAN for other switches. These two switches are connected with each other via portchannel.Now the mgmt0 of few switches is connected to switch 1 and few other connect to switch 2.I have also conn...
Resolved! STP P2P Edge
Hello All,I have recently added some end devices to my switches on the access ports. The only thing is when I use the Show STP spanning-tree command they are showing up as p2p not p2p edge like they should be. I am using RSTP anyone know of why this ...
Resolved! How to Isolate Fiber Port Traffic
Hello,We would like to setup a link to our DR site that is separate from our main network traffic. This link will be used by an EMC VNX SAN for replication traffic. The SAN will be plugged into a fiber port on a 3750 switch and going out from the s...
12 years as a firewall guy... and this is a first for me.I have a request to allow firewall access to an app that apparently uses tcp port 0. I thought it didn't exist... but good-ol' google proved that wrong. I did find this comment: " Port 0 is...
Resolved! TCN BPDU question
Hi All, I'm currently having an issue between two switches incorrectly communicating via MSTP. The switches are connected via two cables, one being the primary link and another a secondary link. As expected MSTP causes the non-root bridge to place th...
OK guys, i am not sure if this is something with my DHCP setup or not, but it certainly seems to be the culprit. I am running a 3560G and using it as DHCP and to do VLAN routing (eigrp protocol). I have 10 pools configured with a few static address...
Dears,Our company will go to buy a core switch 4503, please I need your support in the following:-what is the difference between the Catalyst 4500 E-Series Supervisor 7L-E and the Catalyst 4500 E-Series Supervisor 7-E??Thanks,
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