Switching

Greetings:Im confuse. Lets say I have a L3 switch with vlan configured. Do I still need a router if I want different vlans to communicate. Though I have already network layer device, L3 switch.Can anyone elaborate this. thanks

I have a 2960 that is connected to a NetGear router for cable modem access. The netgear gives out IP addresses. I have a WAP with two SSIDs. One ID is PUBLIC and tagged as VLAN 8. The other is PRIVATE and untagged. I can get the untagged SID to conne...

Currently the stack is monitored by ping only which leaves you vulnerable.If you lose a switch in the stack you wouldn't know it until people start calling . There is really no way around this short of getting net monitoring with snmp traps setup...

All,If a l2 switch is marking traffic on an ingress port, does that marking carry over the trunks until it hits a l3 switch or router that then makes a determination on what to do with the packet?For instance, if I have a 2950 and I have "mls qos cos...

Hello, I have worked in the past with Alcatel and I could go to the router of a subnet and do a show ip route and it would give me the local mac address of an IP address on that subnet in the route tables. How would you get this in a Cisco switch. ...

Hi,I'm throwing a new upgrade on my 6509 w/ dual Sup720s. i think i've nailed down the version that will support my cards i'm just trying to figure out what features to go for..can someone explain the (Modular) train?And my main question...NSF/SSO o...

Hi Friends,Cisco 45xx Image filename is empty in show version (System image file is "bootflash:"). This IOS is present in bootflash and boot system command has been configured. Please let me know why show version is not showing image file name.

Hi, I have three VLAN's configured in a C3560 Software (C3560-IPBASEK9-M), data, voice and WAN. The WAN VLAN has two routers connected, I need to know how I can send voice traffic by one router and data traffic by another router, do you know how I ca...

I need to do BCSI(642-901) by self studying...So if I had a ebook or a pdf file that would b easy for me to go thru the first module of CCNP...So can u please tell me how I can download this pdf...??? & Thanx a million

I have two 3725 routers with NM-16ESW module each. I made sure both routers are in VTP server mode, in the same VTP domain and that trunk ports are configured.When I create VLAN100 on router DLS1, it did not propagate to router DLS2 (through VTP). Ho...

HiI'm in the UK and looking to setup two independent providers for a redundant internet connection. The problem I have relates to IP's and AS numbers. I believe that each ISP in the UK is going to give me a different set of ip's for me to use and tha...

Do I need to have PIM enabled on a local network or is IGMP enough for multicast data delivery. We have the MC source connected to a Layer 2 Cisco switch that has IGMP snooping enabled. The MC receivers are also connected to this switch. Is it pos...