Switching

Last night my cisco 2800 router rebooted/restarted automatically. Why does this happen.. how do I check the exact reason of rebooting. pls. tell the command to trace the reason.

Hello all, I'm studying for a CCNA and I need some help:I have a scenario here:http://i3.photobucket.com/albums/y92/ddzc/ACLQ.jpgSwitch 1 - Student Network = 172.16.62.0/24Switch 2 - Library Server - 172.16.63.252/24Switch 3 - Records Server - 172.16...

Recently I have seen CPU hog error messages related to SNMP traps as well as unable to ping remotely and other qwerky things. I noticed that all the switches (4 out of 120) are running IOS v. 12.0. This makes me think there is a bug in this code. Doe...

To save space and reduce the amount of cabling in our data center, we are considering a migration to top of cabinet distribution layer for our servers.Each cabinet houses 16 servers. Currently the servers are dual-homed on copper to a pair of 6509's...

hi,when i configure HSRP do i have to configure the same configuration on both the routers or will both be working at once?can i have 4 diffent servers on one Switch(4507R) and other 4 on other?will this work or do i have to put all the eight server...

hi guys, i know this is not the voip forum but i m asking any1 who can plz help me with this confusion, see one of my friend told me that the analog lines that comes to our house are in fact demultiplexed E1/T1 lines into individual analog channels !...

We have a requirement to provide L2 Ethernet "VPNs" to our clients(Historically, we have only provided L3 MPLS VPNS) - Our clients ethernet Tails are presented to us over GBIC Trunks from our various Ethernet Providers....the providers control the VL...

We are having problems with our Avaya IPT phones after power outages at our site. Some phones will not come back up once power has been restored to the facility. The DHCP server is at the same site. Phone show error "Waiting for LLDP". They have ...

All,Weird thing. I downloaded a new image on a 3640 c3640-ik2s-mz.121-27b.binTo config IPSec. Guess what? I rebooted with this image, and Wow, there are NO any interfaces showing. NONE. All gone. Here?s a sh run:Current configuration : 301 bytes!vers...

Is there an official Cisco recommendation on how to handle scheduled power outages?I have a customer who is wanting to power down all CORE, DISTRIBUTION, and ACCESS layer switches before the power goes down, then to bring them back up in stages after...

I currently have a 6509 with a single SUP1A-2GE with a MSFC I need to replace it with two Supe32s. Where can I find some documentation on how to accomplish this task

We have and empty slot and a GBIC port adaptor card with an ZX GBIC installed. Can this be installed into the router online or do I have to power it off?RegardsFredrik Hofgren

Guys, a very simple question, what exactly does this line do:spanning-tree portfast trunk?I have it on all 24 interfaces on my 2950 switch.I've read that for switch ports that connect to only one single device, enabling portfast will be enough (spann...

Hi Folks,I have Cat 6009 with 6.4 sw version. firstly, one of my power supply not being recongnized and though redundant power supply is being noticed by the system but continuously giving below messege.2007 Jun 25 18:51:26 %SYS-5-PS_REMOVE:Power sup...

We are replacing our core network at our central office with a new Catalyst 4507. Our current network consists of several 3500-series switches along with a 4908 Layer-3 switch. The 4908 switches among multiple buildings on different subnets. Those...