Hi Guys.. I need your help regarding cisco switch I want to know that my cisco switch is original one or chinese copy.Kindly share the method for finding it. Regards
I am getting this syslog in Nexus 7 K.2014 Aug 9 03:38:35.956 Campus-N7K1B-User.AGG %ARP-4-SYSLOG_SL_MSG_WARNING: ARP-3-DUP_VADDR_SRC_IP: message repeated 9 times in last 11 sec2014 Aug 9 03:38:37.077 Campus-N7K1B-User.AGG %ARP-3-DUP_VADDR_SRC_IP...
Does anyone here operate their routers & switches without a username specified? We don't use the username in our login or enable authentication (use vty and enable passwords), just wondering if there is some requirement for a username that I don't kn...
I have two 3750x switches stacked together on floor #1, and I need to add a brand new 2960 switch on floor #2, can I do Etherchannel among them to provide redundancy for floor #2 via patch panel. I am thinking to install a patch panel on floor #2 an...
our isp had assigned /29 range ip address to us. These ip address are mapped to private ip using nat. We ran out of this public ip and requested our isp to assign new range of public ip, they assigned /29 range we have an web server that host about 1...
Hi,Has anyone used a 100Mbps SFP with this EHWIC module?I want to use a GLC-FE-100EX SFP with this module but there aren't any 100Mbps modules listed in the table of supported SFPs in the following link:http://www.cisco.com/en/US/docs/routers/access/...
In the event that I have a pair of HSRP routers that also act as DHCP servers, what is the best way to avoid an IP address conflict? I don't want the Active Router to give out an IP, fail and then have the Standby (now the Active) give out the same I...
Hi All, I would like to configure my core switches as the ntp master for the environment but also I would like to have the core switch sync with a public NTP server. Can you advise if this is possible? I have seen both commands available on the switc...
Hello, I can't get a grip on the IOS versioning numbering.Taking 12.2(44)SE3 as an example, (44) sould be maintainance number and the 3 of SE3 sould be the rebuild number. What is the difference beween these?An higher maintainance number of a softwar...
Hi All, I'm going to take CCNP Switch Exam next week. I was hoping if you could give me any suggestion ? about to take a look to particular topic ? Or anything?
Hello,I'm working with a Cisco 3750 within my corporate network, trying to separate data VLan 1 & Voice VLan 100 VIA VLans. This will be my first time trying this alone without any help, and I was needing a little help on how to go about implementing...
Hello Community,we are planning to downgrade/upgrade our 2960s and 2690x switches to IOS Version 15.0.2. Is there a recommended Release where we don't have to expect too many bugs ;) I'm looking for the most stable version of this release train. Any ...
Let's say there is a client router connected on switch port G1/0/6. But command on switch "show mac address table int G1/0/6" shows nothing. Also command "sh ip dhcp snooping binding int G1/0/6" also shows nothing. So i do not see routers mac or ip ...
I have a esxi host that I took out of a cluster and added back in. After adding back inm I am not able to see the host in the n1kv switch sh mod vem mapping says its absent I tried restarting the vem on the host and unloading but got the error # vem ...
We have Catalyst 6513s in the core and Catalyst 3750s in the closets. We have Microsoft Unified Communication, controlled by the email guys. We have to make the Policom / Microsoft phones work on the network. We use Infoblox for DHCP. We have Avaya V...
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