Switching

My colleague and I have been having a discussion about using rapid spanning tree in the access layer.  Most of our infrastructure has been migrated to a routed access layer with 3750s.The idea was brought up to configure the switches with rapid PVST....

I have my switches behind a Watchguard Firewall- I have 2 vlans set up no trunkingVlan 10 - 10.10.10.1 Vlan 20- 10.10.20.1 I have my servers on Vlan 20 with a Default-Gateway of 10.10.20.1 I have one management server on Vlan 10 with a Default-Gatewa...

While removing and applying policing to customer interfaces, as well as removing old class-maps and service-policies, I noticed a log message appeared:044111: Apr 10 23:01:49: %LINEPROTO-5-UPDOWN: Line protocol on Interface VRF_0_vlan1028, changed st...

I am using DHCP/TFTP to autoconfigure a 3945 router.  The router properly obtains an IP address and finds the correct TFTP server.  The issue lies in the download of the configuration file from the TFTP server.  The router downloads the file, gives t...

I have a site with two MPLS circuits that I am currently loadbalancing via GLBP. The setup is: I have a switch plugged into each og the MPLS routers; MPLS1 = 10.1.1.2, MPLS2 is 10.1.1.3, GLBP is 10.1.1.1, and all of my PCs point to 10.1.1.1. I can se...

Hello Everyone, i tried to make it up but coudnt get suceed.Here are the screenshot of configs:RZ1XCF01#sh interface Port-channel28Port-channel28 is down, line protocol is down (notconnect)  Hardware is EtherChannel, address is 001b.d4f7.4e61 (bia 00...

Hello,Recently I discovered that when a switch is added to the network one of our monitoring tools that is pinging a group of servers in our datacenter detects duplicate replies to ICMP requests. I used SPAN and Wireshark to verify. I suspect this ia...

Hi all,Assume I had Catalyst 3560X/3750X with 24 ports. The partnumber is WS-C3560X-24P-LI would like to how is the numbering defined if the switches have a C3KX-NM-10G installed with 4 SFP-GE-LMaybe I think the four additional ports are 1/25 - 28 !?...

Hi,I have a fairly redundant network setup. For my clients, I use VRRP to get a redundant default gateway (2 routers, R1 and R2). This works fine. As the clients use DHCP, I use an ip helper address to get to the DHCP server on a different subnet.I h...

Good day,I need a CISCO Switch... which have 12 ports for Fiber and 12 Ports for ethernet (gig ot 10gig).kindly specify, whichn model is available, and which module have to use  for fiber..thankyou..P.S. I have seen 3560,3750 datasheets  , but didnt ...