Switching

I have a  WS-C3560G-24TS-S running  12.2(50)SE5 with IPBASE. I have been told that the functionality i seek (multicasting) is only available in the IPSERVICES version of the software. I was reading up on upgrading and saw that i needed to do a show l...

Hi,Can anyone please explain , why we have to allow vPC vlans in vPC peer link.Thanks                  

Greetings. Something seemingly so simple is not working. A router and a Nexus are not seeing each other via CDP. I have a 2921 router connected to a Nexus 7000. Everything works fine, except for some mysterious reason CDP does not establish. Yes, it ...

I have a 6500 serious switch that one port (portfast enabled) hold a  server .This server has sort of a Cluster configured for high availability . During primary server failure the failover server acquires the cluster IP address (ie virtual IP).Clus...

hey.i am trying to monitor some UPS equipmeant,for that i am using a cisco 2960 switch and when the UPS is down it sends a L1 loop.when the switch detects the loop the int in which the UPS is conected to will get a link and go up.now my problem is th...

What is a good replacement for the 28XX / 38XX router that will support ATM/IMA?

In my scenario, I have a layer 3 switch acting as my core/root bridge/vtp server for around 30 vlans. On it I've defined the gateway of last resort to be the lan IP address of my internet firewall. I've brought in a new internet connection and new fi...

Good MorningI consider my question relatively basic, but I could not find in Internet a definitive and trusty answear.In an environment containing a switch with an access-port (not trunk) and a device X connected to this port, even in access mode, we...

Hello, we have a chassis 6509 with this inventory:------------------ show module ------------------Mod Ports Card Type                                              Model              ---    -----    --------------------------------------             ...

Hello Team,I´ve migrated a Cisco WLC connection from a 6509 to a Nexus FEX 2248. The connection is a 2x1 GBE copper Channel. After Migration the WLC still works fine, however I see sometimes LLDP messages on the Nexus as follows:%LLDP-FEX103-3-DETECT...

Hi,Can anyone help me and verify my configuration?My customer has the following topology. They have thousands of remote sites like this. all have 1 adsl and mpls router, they are running hsrp, mpls is the primary. DHCP servers in the head quaters, 1 ...

hiSwitch A connects to Swich B and C using port channel. I am going to bring down one link on each. switch A is server farm , switch B and C are core 01 and 02 . and all are 3750 switches.1. what will be the impact on the network in terms of spanning...