Switching

We have always been able to telnet to this switch and now we get : "Could not open connection to the host, on port 23: Connect failed"I know if I reboot this I will be able to telnet to it, but this is our core switch and I was wondering if there is ...

Just wanted to run something by the community.Using fakeIPs for the example:ISP IP: 192.168.2.1Our IP Currently: 172.16.0.1Our New IP Range: 12.18.0.1 to 12.18.5Using Cisco IS 12.4T on 871------------------------------------Currently configured DNSFE...

Hi There;Can someone tell me what the most common QoS method is? Is it CBWFQ/LLQ/WRED etc?Thanks

HiIm troubleshooting a strange phenomen in our Routed campus LAN, wich consist basically of 6500 with CatOS and MSFC2 with IOS 12.1 / 12.2 and OSPF as routing protocoll.Here is the cenario:From a given source to a given destinageion there are 4 hops....

Hi, I know it's kind of a stupid question, but what's to lose, maybe someone knows a trick for this.I just got to this new job, and we have a 800 router, and for some reason, we don't have the enable passwords for it. The router is in production, wo...

We purchased an ASA 5520 last October and have been having problems with uploads speeds since installing the device. We purchased a 6MB up and download line from an ISP. The ASA is set to 10 full duplex and the ISP has reassured me that they are al...

hi,how can i backup the configuration of a switch using Telnet ?How can i Restore the backed up configuration using the console ?

Hello,on a Cisco Etherchannel or LACP Channel, with configured src-dst-mac Balancing, wich algorithm use Cisco IOS for the Port foward desicion based on Source und Destianion MAC Adr. or Source and Dest. IP Adr (for a src-dst-IP Balancing)?Thanks?

Let explain my current topology briefly and what i am planning to do. Currently i have about 20 3560's that i will be putting into layer 3 and running EIGRP soon. Right now they are in layer 2 connecting to a 4506 which is doing inter vlan routing. ...

I have a Catalyst 6513 with 2 WS-SUP720 cards. I active one has an image on the bootflash: and disk0:, the stand by has nothing in bootflash: or disk0:. How can I copy the bootflash from one to the other and disk0: to disk0:?Thanks,Mike

I am seeing allot of ARP requests that looking like the switch (probally something spoofing the switch) is scanning our network and incrementing by one....like something has a virus. Here is what I am seeing in the switch.... Aug 12 19:12:54: IP ARP:...

Hi I have a 2950 series switch on which i need to run 2 different span sessions for monitoring but when i give the session id 2 it says not supported can someone help me in this regard is this a bug or a feature of Cat 2950

I'm in the learning/testing stages for configuring a 871 for work.No firewall enabled * Easy VPN Server working * NAT - PAT Overload working* Windows XP using PPTP XP client to SBS server working* Outbound HTTP requests are working* Outbound Mail (Ex...

Hi Experts,I have two internet connections from two different SPs. and they have assigned address block from their pool. I am using SP-B for back up and SP-A as a primary one. I want to use NAT but the problem is when link towards SP-A goes down SP-B...