Switching

I am wondering if anyone has been able to get GLC-T sfp modules to be recognized by a Nexus 2232PP?Per the datasheet at:http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-507093.htmlGLC-T are supported, however I am get...

I've just installed a 4507 and this message keeps appearing in the logs, I have not come accross this before, how do I resolve it?003074: Apr 17 23:07:36: %C4K_RKNOVA-4-INVALIDTOKENEXPIRED: (Suppressed 201 times)Expired token 254 in the invalid token...

Need clarification on the VPC with 5k and 2248 Fabric Extenders. My question  is can each fabric extender uplink to two different 5ks, and  at the same time, have servers connected to two both fabric extenders with a VPC.So basically, the server NIC ...

Hi team,I have two core switches - 4506E, and i noticed there are frequent cpu spikes on both of the cores switches. As its spikes intermitendly i couldnt able to anlyze the issue. I need inputs on the following,1) Is there any Free CPU process monit...

hi ,ive recived an ipv6 prefix from ripe        2xxx:c40::/32im using bgp nehigbourships whch all is IPV4 .assume my router is R1 and the neighbour one is R2R1------------------R2--------------------internetthe 1st thing is to put ipv6 on both my rou...

Can anyone here tell me if a service contract is required to install the K9 crypto version of an IOS on a Catalyst switch?  We would like to use SSH for remote management and therefore need the crypto image which isn't shipped with the device.  Cisco...

Hi Cisco,I'm trying to setup a small network and I'm new here.Objective : To setup SG300-20 as CORE switch and SF100-48 as Distribution switchSG300-20 will have 2 VLAN(DATA and VOICE)192.168.14.1/24 DATA172.168.0.1/24 VOICESF100-48 will also have 2 V...

Hi everyone!I have an ASA-5510. A "sh ver" displays the results below.Question: It says that it can have a maximum of 50 VLANs but a Base license only allows for 3 VLANs... How many do I really have available?Tnaks!Cisco Adaptive Security Appliance S...

Hi,I am using 1841 LAN router. Recently some broadcast is happening in our network when some users are connected. I need to block them automatically by detecting who are they.I can block them manually but i want router to detect them and block.Is the...

I have two separate offices in the same building that I'm trying to  connect.  They are physically far apart so I cannot connect them  wirelessly.  I have had an ethernet cable run from the main office to  the second office and physically connected i...

Have a quick question regarding inter-vlan routing on a 3750.  Overview of network is ISP --> ASA --> 3750 (acting as my core and default gw).  I have 5 vlan interfaces on my 3750, all w/ 192.192.x.x subnets, a 6th w/ 192.168.100.x, and a 7th w/ 192....

Hi all,Our server team has installed a new NAS device with Lan0 hooked into port gi1/17 and Lan0 hooked into gi2/17.  Each Lan connection has its own IP address.  I've been doing some research but I"m not really finding the answers that I'm looking f...

Hi there, I posted this thread a few days ago but didn’t manage to get to the  bottom of the issue then. Thank you to Giuseppe for his contribution to  that thread.The RSPAN config shown at the bottom of this thread isn’t doing as I expected. I want ...

Hi,We have a Cisco Aironet 1242 AG Series which we are trying to setup. The DHCP assigns the IP address, but we cannot connect to it. We have had this problem with a previous Aironet unit, which this new one we have got now is also having the same pr...