Switching

Hi All, I configured the TFTP Server in MY Machine . But when iam trieng to transfer the log from router to PC(TFTP SERVER) it's not hapening.Then I tried to telnet to port UDP 69. it is not connecting.below is the only access list that is in my rout...

I have one Cisco 4500 switch. On that switch we are facing high CPU intermittently. CPU utilization is reaching 80% from last one week, no changes been done. For reference i am attaching the Show log output. But I am unable to capture the show proces...

I am wondering what will be the effect if I configure unused vlans on a switch that connected through trunk to another switch for example, switch#1 has vlan 15,20,25,30 and switch#2 has vlan 25,30,35,40, in this case vlan's 25 and 30 are in use for c...

Hi,I just want to clear this off my chest. We got a change and it involves adding new switches and adding new vlans. so our vendor will need to add the new vlans to the global spanning-tree config.we got something like spanning-tree vlan 1, 4, 6 prio...

Hi,need help to upgrade ios in cisco 4948 switch, I do not have admin right and network access

Hi,WS-C2960S-24PD-LCatalyst 2960S 24 GigE PoE 370W, 2 x 10G SFP+ LAN BaseCan I use the above said switch for 1 Gig Uplinks using SFP.Regardsziya

Hey everyone,I have been messing with GNS trying to figure out router on a stick and ran into some trouble. I can ping from the router acting as the core to any address within every vlan. The problem exists when I try to ping from an ip within lets s...

Hi AllThanks for the help very useful documentation, please can help me, I know that i don't need to use spanning tree across my VPC enabled links thats understood.But could you help me in uderstanding which stp protocol is recommended i.e. I know ST...

Hi All,Does anyone know how to make a Cisco ASA appear in traceroutes as a routed hop?Thanks,Dan

We have a VM server farm that we just converted from access port connections to trunked connections into our 6509 (we'll call it C).  C is connected via trunks to our 2 core switches A and B by gig fiber.  Whenever one of the VM servers is rebooted, ...

I have 2 vlans for practical purposes 10 - 10.10.10.x/24 and 20 10.10.20..x/24. I have each vlan connected to my firewall with a gateway on each port to its corresponding vlan - eg 10.10.10.1/24 (Vlan10) and my FW interface (10.10.10.254)10.10.20.1/2...

I was rather surprised today to discover that the latest IOS available for the 2960-C switches is 12.2 (55). Other similar switches, like the 2960S range are using IOS 12.2 (58) or 15.0.1-SE2. This doesn't sound like the end of the world at first, bu...

Hi Everyone,I have a 3560G with 3 VLANs connected to a Cisco ASA with the same VLANs. I want to have the switch interface for each VLAN as the default gateway for clients and then forward this traffic to the ASA for firewalling. Problem is, due to th...

I'm sending traffic through a VPN via tunnel interfaces that needs to get routed to the internet after it gets through the tunnel. The config of the router that is responsible for the routing of the VPN traffic after it comes out of the tunnel is att...