Switching

Hi,I will try to implement 802.1x authentication with vlan dynamic assignment with mac-address authentication and Alcatel Phone.I know that the 802.1x it's not supported in trunk ports, and also Alcatel phone "don't work with switchport voice vlan co...

Hi MisterI need to know what are the Best practices or restrictions for to set the next design:The Nexus 2000 is connected toward Nexus 5000 by VPC.Best Regards

Dear Experts,Need some guidance in troubleshooting high switchport utilization which seems to only happen on my 100mb ports and also when the Symantec backup jobs run.  The switch is a 3560G-48 in a DMZ behind a Checkpoint firewall.  We are only usin...

Hi all,   Above all sorry for my English.I' m new in configure css and I have inerhited some of them configured and working. Now I need to change the balancing algorithm from aca to roundrobin. I tried with the command  balance roundrobin -trying to...

Hi,Here is case which is making me perplexed;When I replace a router with another router as a default gateway (same IP but different MAC), the devices become reachable after 1 or 2 packet drops (possibly because of the ARP entry update process). But,...

Hi,The problem:  On the edge switch while online, I created a port-channel 1 to replace port-channel 12.  I changed all the trunks to port-channel 1 one by one, so there was no downtime as it is dual-home trunked to the VSS 6500 core.  After the chan...

I am new to QOS on Cisco 3560 3750 etc. and am looking to setup a simple / basic QOS config for some aastra phones.  My switches have an existing auto qos config on them with the trunk ports configured.  I reviewed Cisco's QOS guide: http://www.cisco...

All,I am testing out some of the small business switches for potential use in home setups.  I have recently received the SG 300-10P.  After some frustration, I got the switch setup the way I want it - with one exception.  I am trying to use a Cisco 7...

Hi all!We have a C3550 switch. We are trying to use it in order to provide power to non CISCO Ip Phones.The phone gets the power from a moment but it goes down,It seems to be a PoE problem.Here is the debugging:2w0d: ILP uses Link Disconnect(Fa0/10):...

Hey guys,I have 4 x cisco 3750g-12s in the following config attached diagram.Im running rpvst on all the switches and something seems to be incorrect with the config.As topology is in a loop providing redundancy from what i understand one port should...