Switching

Hello,We just discovered a weird problem on our network. We have a /19 cut down in several .248 and .240Now we connect to a provider, he puts in our routes in the BGP and assigns it to our port.On our side we have a ip route 0.0.0.0 0.0.0.0 xxx.xxx.x...

Hi,Should one look at upgrade to IOS if they are on CatOS or is CatOS still a standard ?ThanksEd

Dear all, DAI combined with DHCP snooping binding table secures against man in the middle by blocking ARP requests not in binding table.I am using DAI in combination with PVLANs, however arp entries do not flush even after the configured arp time out...

What are the connectivity issues regarding interconnecting OBM port ("fa0" port on back of switch) to a switchport on the same switch. (1) Need to manage several switches via OBM (fa0) ports(2) Need to firewall the mgmt VLAN. DG on FW. (3) For switc...

I am having a little issue with RSpan, well actually I am having a little issue with me. Specifically my lack of understanding. I have read several How to's and am pretty sure I am more confused than when I started.Here is what I am trying to do. I w...

Hi all, is it true that by converting my isp's core network from atm to mpls they will save 12% overhead ?

Hello, I have several 2960 switches that are all running 12.2(35)SE5.I know that 12.2(50)SE1 is out there, and I am curious when it is best to upgrade the software version? If my switch is still PRE-production, am I better off to always upgrade to t...

Hi,One of our Cataylst switches went into a mode I can't find much info on. The STAUS LED on the Supervisor board (SUP1A) went RED. After a power down and power up nothing is coming out of the console port and it goes straight to RED. Power and Fans ...

layer3 switch-----cisco2950-----nortel switch ------pc1since vtp is cisco propreitry protocol , how vlan info will flow into nortel switch. currently i have put 2950 side port into vlan 113 and nortel side port into vlan 1 and pc1 is having ip addres...

Hi all, is it possible to tune the hello and dead interval for vrrp like it is for hsrp ?cheersCarl

I just wanted to know if one can add two additional Gigabit Ethernet ports on Cisco 2821 Router in addition to the two intergraded so to make four.

Why I can not ping anywhere from Cat65.No access-list filter icmp on Cat65.

Switch Devices:one c3560g-48 and one c3550-48 both running IOS 12.2(40)SE and one c3550-48 running IOS 12.2(25)SEE2Printer: HP5500 color with JetDirect card.Problem: Unable to print from anywhere on the LAN to this printer when it is connected to any...

Hi all, can anyone tell me what this means, does it mean the switch will forward whatever traffic goes through it at full throughput for every port ?

Hi all,i have a question about how can i prevent a malintentioned user from: plug in a Hub on point A on switch and plug the other interface on a hub to point B on the same switch.and make a network loop.i ask for hub because they aren't support stp ...