Switching

Looked over the documentation and most of the DHCP snooping posts here, but have yet to see a scenario such as the one that I'm getting ready to roll out…wanna get it correct the 1st time.Here's what it looks like…•Hub / Spoke topology•Hub an...

Hi all.I have 2 switches, one with RSTP enable and the other no.I have connected it using 2 cables. I have observed that STP doesn't block any port.I have show the CAM table and I have observed that the ports of the switch that doesn't has STP enable...

              I have a requirement to monitor all traffic going from the internal LAN to the cloud.  The LAN is a layer 2 VLAN  which spans multiple Cisco 4507 switched and other smaller switches.The VLAN has an IP address which the hosts use as the ...

Hi all,I have a 3750 switch (c3750-ipbasek9-mz.122-46.SE.bin) were i want to add bandwitdh limit pr. interface, doing the following: ip access-list extended customer_Apermit ip any anyclass-map match-all BW_10Mbpsmatch access-group name customer_Apol...

Hi AllI'm looking at adding a Cisco 3750-X switch running c3750e-universalk9-mz.122-55.SE1 (IP base license) into a stack of 3750-G switches running c3750-ipbasek9-mz.122-55.SE1.binGiven that the version and feature sets are the same I don't forsee a...

HiAlmost in every I read document,mentioned that uplink fast sholud not be activated On transit node and must be activated only on access switch.But I could not find out the reason.Thanks for any guidanceSent from Cisco Technical Support iPad App

   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...