Switching

Hello All, This is regarding one of the design we are going to implement for our client. We have 2 routers (ISR4431)which are connected to 2 different MPLS providers. We are using Cisco 3850 switch between these 2 routers. We also have Internet brea...

I'm trying to learn how Resilient Ethernet Protocol is selecting what port inside segment will be blocked. I'm aware that I can select particular port manually but I would like to know what algorithm is used by REP itself. So far I wasn't able to fin...

Hi,      I have create frame relay topology, as per my knolwldge frame relay has default physical interface mode is Non-broadcast so  no broadcast will be forwarded on that interface,  when create ospf route on router frame relay physical  interface ...

Hey folks, I have been experiencing some issue with bandwidth through our C2900 ISR. I have a 500 Mbps circuit that is symmetrical. I am getting 392.06DL/286.96UL. I have been working with our service provider and we have confirmed that their equipme...

I am having performance issues with a 2940 switch. The network has: Cable Modem => 2821 => 2970 => 2940 -> desktop All of the links are gigabit except the last hop to the desktop. The internet connection is 60/20 mbps. If I connect the 2970 to a 2940...

I have two new 6807 switches in my R&D lab that will soon replace my existing core switches. I have used the lab time to test how the new switches handle various existing configurations. Now that I am finished testing I would normally do a write eras...

Hi all, I have a 3750E switch in routing mode, with 3 vlans. I have 2 questions, I have created an ip access group "in", but for it to work have to specify the subnet in the ACL rule, I would have thought it would be the other subnet coming "in" If ...

Hi !There is some very strange Problem which is driving me crazyrecently i bought a dozen of access switches most of them are 2960when i updated the ios with 12.2(55) SE1 i encountered an error about licensing issues.It said :Error Message ILET-1-AUT...

WAN MPLS providers router does not inject default route via NSSA, the route is also absent in topology database what could be cause(s)

I'm trying to deploy a 1941 on a new circuit and am having a problem I've never seen before.   I have access to my router via the Lan interface.   When I access it, I can see,  The LEC's edge equipment in my Arp Table: Internet  65.153.195.LEC      ...

Hello,My question is kind of silly but I feel lost. I am reading the BCMSN self-study book and right now I am at the special-case 802.1Q trunk used between Cisco IP phones and catalysts. There's a statement "if you use the command switchport voice vl...

HW GRE support for the 4500-x was added in IOS-XE 3.07.The release notes are pretty sparse.  http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/release/note/ol-37xe-4500x.html#pgfId-2633388 Does anyone have first hand experience using thi...

This is the second 3750x that we've had this problem with.  One is running 15.0(1)SE2 and the other is running 12.2(55)SE3.  5 minute input rate 0 bits/sec, 0 packets/sec  5 minute output rate 712000 bits/sec, 184 packets/sec     0 packets input, 0 b...