Switching

Dear Folks,We have a big Network with around 302 Switches with 2 Core sw - 2 MSFCs in each.on each MSFC around 241 permit entry for access list.and I havesome problem in 2 Access list. Thoufggh I have applied it , People can access it.Its working bef...

Hello folks I need some help. I came in this morning and my 3550 is in switch: prompt. I tried to issue boot command and point it to "flash:c3550-ipservices-mz.122-25.SEB4/c3550-ipservices-mz.122-25.SEB4.bin" but the image doesn't load.Here's the out...

Hi,I have a Laser link between 2 buildings. The both ends of the link terminates on 4500 L3 switch ports.Both switches logs interface (both ends) flap atleast 3-4 times in a day, even when the Laser receival powers are good.BGP is running acoss the l...

Hi,I am a total novice with Cisco products, so please be gentle :)I have a 2950 switch which I need to install 2 GBICs in.2 questions, firstly, do I need to power down before installing or is it safe to just plug em in, and secondly will they just wo...

Guyz... eigrp is being pushed thru gre tunnel and the tunnel is using loopback as source.the far end of tunnel is linked via a provider cloud somewhere in between.This end of tunnel is using a private internal IP as source and far end is using global...

Hi,We have implemented VSS with 2 6509.We are seeing a lot of giant frames on the VSL. MTU is set to 1500.I have read in the configuration guide that packets that are sent through the VSL are encapsulated with 32 bytes header.Is it recommended to cha...

I am receiving the following error message on switchJun 15 19:14:28.506: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 4 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Gi2/4 in vlan 100Port 2/4 is trunk port ...

Hi,I have two Cisco 4506 switch, there 5 different DHCP pool is configured for different VLAN.Now my question is..how can I find out which IP address is free or which set of IP address is assigned to user system?What are the commands?I have typed bel...

Hi, I have one question for you all.I found this log meessage on my Cat6509 switch. But I don't know what this log means. So, I need your help.-----------------------------------------Jul 12 16:13:12: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to R...

Experts,I have a small query for you guys:1). I have two 6509s and wants dual interconnectivity between them. What would be the best solution; L2 Etherchannel or L3 Etherchannel or L3 routed links?2). Both switches have SUP720 and 10G modules. What s...

Hi, I have Sup IA, its boots up and comes to console>(enable) mode, i need to configure L3 functionalities, not able to go with session 15, pls let me know how to configure the same.Pls look into the below configuration.sh module Mod Slot Ports Modu...

Hi,Can anybody suggest me that HDLC, PPP are part of CCIE routing & Switching.