Switching

   Good day experts.We have been having a discussion at work regarding IP addressing best practicesfor Inter VLAN routing & default gateways IP addresses.My question is:Is it best practice to use the 1st IP address in the block as the Inter VLAN IP a...

Hi guys,     I want to use the following for the dns-server option on the 2821.Currently, I am trying to configure it as such:dns-server 4.2.2.2 PPP GIG0/1There is the GIG0/1 ISP IP, a L2TP link thru the Virtual-ppp1 interface.Ideas?Thx.

guys confuse abt one thing in DHCPwe have a swicth and a routervlan 100 10.1.1.2/24 in swicth and 10.1.1.1/24 is router ethernet ip which swicth is conected to.ip dhcp pool exclude 1-2ip dhcp pool user   network 10.1.1.0 255.255.255.0   default-route...

Where can I find a sample working config of Cisco (HP rebadged) 3120 Blade Switch ?I have the Cisco 6500 end configured as follows:=====================================interface Port-channel1switchportswitchport trunk encapsulation dot1qswitchport tr...

Our customer has a stack of 6 3750G switches.  They want to add another switch to the stack.  I tried to quote another G, but I got a warning that the G series is EOS January 30,2013.  Can I add a 3750X to the stack?  I know that no matter what switc...

                   We have many 3750E's and need to use Finisar X2 modules FTLX8541E2. After 15.0(1) IOS upgrade the 3750's now recognize the Cisco part X2-10GB-LRM's, but will not recognize our Finisar modules.What to do?Jim

Hello,I'm looking to upgrade my dual 6509 VSS enviornment from s72033-ipservicesk9_wan-mz.122-33.SXI1 --> s72033-ipservicesk9_wan-mz.122-33.SXI4.They are dual WS-C6509-E with MOD's: VS-S720-10G (VS-F6K-PFC3C)I followed Cisco's Document seen here: htt...

Hey guys,I've been racking my head about this a few days now, thought I'd see if anybody could tell me what is wrong.  I have a c1721 with a 4 Port WIC.  I can't seem to get anything out to the internet.  I can hit the router itself, but it just wont...

I am trying to interconnect a pair of Nexus 5548 at adjacent sites, using 2 2960-S switches at each site, the reason being that the Multimode Fiber between the sites will only support 100mb and I need this up while I finish having SMF laid.I have att...

Can I upgrade my 3750 48TS-S to the EMI software or does it need to be a 48TS-E?Thanks!

        Hi allI am having a little issues digesting the topic: ip multicast helperhere is the cisco Doc:http://www.cisco.com/en/US/docs/ios/ipmulti/configuration/guide/imc_inter_mc_helper.pdfif i want to have bidirectional connection between 2 networ...

One of my sites with a 2811router and IOS 12.3(8)T10 is configured for DHCP service leasing addresses for 30 days.  When my Wyse thin client boots it requests a IP address for PXE and then for the OS.  The PXE address should only lease for 5 minutes ...

I have 2 - Nexus 5548's connecting to a 3750x stack.  I'm trying to bring up a trunk between the a Nexus 5548 and the master switch.  The trunk will not come up.  Is the native Vlan a requirement?  Below is what I currently have configured.  I have t...