Switching

Hi All,   I have many L3 VLAN's in my Switch. But only one of the L3 VLAN is flapping, giving following error msg:%DUAL-5-NBRCHANGE: EIGRP-IPv4:(186) 100: Neighbor 172.19.17.3 (Vlan17) is down: Interface PEER-TERMINATION received%DUAL-5-NBRCHANGE: EI...

We have Solaris v10 server with 4 NICs and two 6509 switches.  We aggregated the 4 NICs for speed, load balancing, and redundancy using LACP protocol on both Solaris and the two 6509 switches.  We connected 2 NICs (bge0 and bge1) to switch 1 and the ...

Hi,i have an infrastructure of OM2 fiber. i am using Cisco SFP-10G-SR SFP's. i would like to know what is the maximum distance?, i know that for om1 it is 26m and om3 is 300m.thanks,

The following ACL is applied inbound on a router interface, ospf is point-to-point and logs below but ospf state stuck EXSTART through the Database descriptor process (i see DBD and we are not SLAVE).!! This is not MTU issue.access-list 101 permit os...

Hi everybody,is NAT feature supported on Nexus 7k running 5.0(3) NX-OS image?ThanksStefano

I wonder if VTP updates are forwarded on 802.1Q trunks tagged even if vlan 1 is the native vlan of the trunk.In the document"Best Practices for Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Running CatOS Configuration and Management"yo...

Hi all,I am in a dilema while designing a network for a small campus with around 6 switches.Kindly suggest which of these 2 are  better  designs in the core:Scenario 1: There is only one core switch 3560 that has 2  uplink from 1  2960 switch and ano...

Hi,Ok.. lets pretend I am a beginner .I have a cisco 3750 switch.I am trying to create a new vlan, and an interface on the switch that will act as the default gateway for the subnet.conf tint vlan 61ip add 172.16.1.10 255.255.255.0endconf tvlan 61nam...

Hi Guys,  Today i saw this log message in 6500 Cat Switch:%MLS_ACL_COMMON-DFC13-4-MLS_ACL_CONSIST: ACL TCAM inconsistency seen at index 10848Can some one help, because i could not find what is this message about?Regards

How can I configure the Cisco SGE2000P switch so I can use a Cisco IP Phone for Voice and Data. I tried configuring a native vlan just like in other catalyst switches but it didnt work.

I'm trying to backup IOS from Flash to Tftp Server,I assigned ip addresses for switch 3560 and for PC,From PC I can ping Switch but from Switch I cannot ping PC,I've cecked everything I can think of and I just don't know what to do anymore,Anyone wit...

Hi Group,I've prepared a BoQ for Catalyst 3750, Catalyst 4507R+E and Catalyst 6509-E from DCT. I don't see console cable in the default bundle, moreover I don't see it as orderable for these platforms.Could someone pl help confirm if Console cable wo...

Hi All,NEED A LITTLE HELP !I have a 2811 Router connected to my ISP using NAT.I have no issus with my network, it works well & is very fast. However I have decided to tighten up on my security and looked at utilizingACL Extended to Allow / permit any...