Switching

HiCan anyone explain to me, when a tcn is generated, i know the root switch tells all other switches to change the cam table age timer to 300 secs, why is this? i read up on it along time ago and have forgot the reasonsthanksCarl

Hi all,I have 2 2950 switches where there gi0/ 1 and gi 0/2 are connected with each other and performing the trunk.sh int trunkPort        Mode         Encapsulation  Status        Native vlanPo1         on           802.1q         trunking      1Por...

I have a DS3 box which drops me an RJ45 at 100/full.  logically speaking, my network looks like:DS3 - 3825 - ASA5510 - 3560G - 2960G'sAll my internal routing is happening on the 3560G.Right now, my DS3 box is directly plugged into my 3825.  My 3825 i...

I know I've seen 3560's that support multicast routing but mine doesn't recognize the command(config)#ip mu?% Unrecognized commandIs there a minimum IOS that I'm supposed to have or anything else that is a prereq to a switch supporting multicast?#sh ...

I have a Multilayer Switch Feature (WS-F6K-MSFC2) installed in a 6509 chassis.The MSFC hangs periodically where no traffic traverses the switch and from the supervisor I must issue a reset to the device.It will recover after a fashion.It has a redund...

I am having trouble configuring EIGRP summarization. Attached is the network diagram. I am using the CCNA virtual lab to configure this.Router configs:R1    --snip--    interface Serial0/0/0      ip address 192.168.1.34 255.255.255.252      no ip dir...

Hi everyone,I am building up a single-router (c877w) environment with multiple VLAN's to seperate traffic and block traffic from one VLAN into the other.To make it easy to understand I'll start with parts of the active configuration:ip inspect name s...

HiHow do I identify if my CAM Table is full on Cisco 2960how many mac address entry can 2960 storeIf I have /22 network ; how does it impact 2960 boxWe noticed performance degraded for end users?

I have both Cisco Base (SW) and SMARTNet contract. What i need is detailed diagnostics, recommendations, inventory, field notices, security advisories, and End-of-Life notices on monthly basis. Especially with hardware EOL inventory and software bugs...

Hello,I can't seem to find any docs that answer my question on LLQ so here it goes...Say I have a 1544K interface (T1) with a service policy applied on the output. If the priority queue is configure for 512, does that reserve that bandwidth only for ...

Hello experts,I attached last time the config and error with this message. But don't know why it didn't attach. anyway i attach those files now.I have some confusion regarding etherchannel. The scenario is1) one the IBM blade server there are 4 cisco...