Switching

I have a 6509 switch with VTP mode as server. There are 20 no's of 2970 switches connected to it with VTP mode set to client and all switches are in the same domain. All the switches are trunked using dot1Q encapsulation and are communicating good ...

I have observed a new behavior of NAT in 12.4.10b; for packets coming infrom outside to inside and if a dynamic NAT entry exists in the nat translation table for the destination address (inside local) of packets coming into the router from outside, t...

I am looking at installing a new 1841 ISR and I want to know if my current config that is running on my 1811W (12.4(6)T6) will work? (With some changes of course)Also, I want to install the 1841 for T1 access to our office from a hosted environment. ...

Hi All. I'll do my best to provide as much detail as possible. I'm looking for advice on network design.My company will be moving to a new location in the coming months. Currently, we are situated in a large office building over 5 floors. Each fl...

What command would I use to block all internal access from a LAN, from reaching the internet?Thanks

Hi,When I execute "show arp" in my 3750 switch, one of the line in the output shows;Internet 127.0.20.20 - 0000.0000.0000 ARPA Virtual2What is that? What it's use for? Anyone knows?My IOS is c3750-ipservices-mz.122-35.SE2.binThanks ...

Dears Netpro!1)based on the following output,can i Upgrade the Software to EMI Image;if so what IOS Support this SwitchSwitch#sh verCisco Internetwork Operating System Software IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)XU, RELEASE S...

Hi,Station X had 66.78.16.72 IP address. And this IP address has changed to 66.78.16.92 after the DHCP lease expired.When I ping 66.78.16.72 from 204.102.3.45 I get ping responses from 66.78.16.92. Can some body explain this phenomenon.TIA

Hello,Two of my 3750 switches in a stack are logging a lot of stack linke changes. Is this due to a faulty cable/port? If I change the cable and it persists, what would be the next step?Thank youChris

Hi, I have seen somewhere in a catalyst config, something related to ip cef. But, as far as I know, Cef is only present for layer 3 switches, starting from 3500 series, isnt it? And even if I can add an ip address to SVI (vlan 1, vlan 2...), this doe...

Hi All ,I want to Know equivalent model for Cisco 2950 switch .The switch should have Gigastack & should be stackable.Please revert ...its urgent.Come on Guys........Cisco 2950 is not available,as it is end of life.Please revert..

Hi All,i have many 2950 as edge switches in my current infrastructure.The 2950s is stacked using giga stack cables and a loopback is done.Recently there is a need to increase the number of ports. Cisco 2950 has EOL i believe. What switch should i pur...

We are seeing slow file transfers from EMC to the end XP stations after enabling MLS QOS on the access layer 3750 12.2(25)SEE3. I believe the EMC Celerra runs Linux and utilizes Samba for file sharing. I ran across an earlier post.http://forum.cisco...

I am having 1 Cisco 2651XM Multiservice Router with 2 Fast Eth. (Fixed). Can anyone pls tell me if I can install one NM-1E - One-port Ethernet on this.Thanks in advance.Anis