Switching

Hi,We are having two 6509E core switches along with 22 3560g edge switches. The edge switches have dual uplinks, one to each core. We have enabled rapid spanning tree on all switches. I am somewhat confused about on which edge switch ports "loop guar...

I have 4507R multi-layer switch and EIGRP is configured for dynamic routing. router eigrp 101 network 10.223.12.0 0.0.3.255 network 10.223.17.0 0.0.0.255 network 10.223.18.0 0.0.0.255 network 192.168.1.0 network 192.168.10.0 auto-summaryBy default EI...

HiR1 & R3 are connected via F/R.configure ipv6 on both routers but the Ipv6 traffic doesn't traverse the frame-relay interfaces.configure ripng between these 2 routers 10xs

We currently run 2 3550's using HSRP as our core switches. They also control all intervlan routing. We have about 20 connections coming into these switches from our various wiring closets. I want to upgrade these two switches to a stack of 3750's ...

We need to get mcast data from our provider but in order to do so, we have to NAT our IP addresses. Because our switches are unable to NAT, we connected them to routers that are able to NAT. The routers in turn connect to our providers via layer 2 ov...

Hello,I am looking for some hardware recommendations for the following implementation.Three locations, roughly 1 mile distance between each site, will be connected via single mode fiber. All traffic between each of the three sites will need to be en...

I'm running hybrid mode on sup720s and couple weeks ago active sup failed over to standby sup with no apparent reason and when I do show redundacny it says cause of switchover "unsupported" anyone know what that means? I'm running 8.5.2 in cat os and...

Hi everyone, I meant to put this post here.I need expert help with this scenario. Switch A is CAT 3560E PoE and switch B is CAT 3750 PoE. Connectivity between these swithces are 10gb fiber and is set to trunking so vlan1 can be access on both switche...

We have two buildings connected through a fibre link.One building has a L3 switch, which has been configured with VLANs for each classroom and one VLAN for the server room. We can connect between the VLANs without problem.The second building has bee...

Hi,I have a 3550 which doesn`t bring up the int fasthernet interfaces in a "sh ip int brief"command or "sh Run". The system LEDlight stays amber and rps also but not flashing? I haven`t got a rps connected could this be the reason ?If i do a "sh env ...

I'm drawing a blank when it come to this. We need to upgrade some end of life 3524 switches. I need to find out what SX or LX gigabit cards we have in them. I know there is a way to tell what type of cards you have in the switch through IOS but I can...

Hello,I am trying to get our network traffic to dynamically pick the best route out/in in case of a link failure. I have attached a diagram showing our current router links. The majority of the links are connected to the end-point routers using wirel...