Switching

For some reason, I would like to config RSPAN destination session with multiple vlans.But RSPAN destination session "monitor session 1 source remote vlan ~" is for only one vlan.I configed local SPAN "monitor session 1 source vlan ~" for RSPAN vlans,...

Hi experts,I know only one thing about Wildcard mask is that it uses in standard access list for Source based restriction. that's itSo i need your suggestions with simple example so that i can understand at once .1.What is exact use of Wildcard mask ...

Hi i have got a customer where they have existing WS-C4506-E 6  where they have few connections .Now they want to put two X2-10GB-SR    the other ports where using CVR-X2-SFP   .I have a doubt that if CVR-X2-SFP  is using in first port then can i use...

I didn't know were to post this question so i am here. I need some help with the type of position to apply for and maybe the skill level i will need to get it. I was just wondering are there any postions were i can just trouble shoot most of the work...

Hi Everyone,I have got an interesting problem with some Samsung POE IP Phones (ITP-5114D). If I plug one of them into the C3550 switch, the port comes up for about 2/3 seconds and then goes down, and the switch does this until I either shutdown the p...

I've supplied a proposal to a customer for a new campus LAN that includes a management VLAN for their (circa) 100 switches.The customer have questioned the need for the management VLAN and other than the fact it's best practice and improves security ...

Hi, first post,I got Wendel Odom's 640-822 Cert guide and I've been working through it over the last couple of months, great book. I just started the network simulator labs (Lab 1: Configuring IP Addresses I), and of course I got stuck immediately. I...

Pleas help.  I have searched for days, through all documents I can get my hands on.  I am trying to configure my 1841 router to connect to my DSL over POTS from Centurylink.  I have a static IP.  I have contacted tech support with Centurylink and obt...

We have Cisco Catalyst 3750X-48T-S Switchs in our environment. Currently, all are loaded with the 12.2.58-5E2(ED) IOS. Review of the available IOS's for these switches shows two possibilities. The 12.2.58-5E2(ED) IOS was last updated in July 27, 2011...

greetings all,    i had implemented new switch in our client Data Center . after 1 week later, the switch restarted and from the show version it is said that "last reset from address error". From the crash_info file, it looks like, the switch was exp...