Switching

Hello,We have a 2960 48 port switch in a remote office with a couple of VLANs (VOIP & Data).  The L3 routing is provided via the WAN router and acts as a 'router on a stick' and provides DHCP for both VLANs.I need to enable DHCP snooping and I have i...

Hi I have configured NAT on my cat6500 (IOS version). However, it works with ping and web, but not ssh: configuration assume as: private subnet and machine is 10.10.10.20.int vlan 10  ip address 10.10.10.10 255.255.255.0  ip nat inside nat subnet:int...

We recently swapped out our Cisco 2970 access switches with a 4500 series switch.  No one on the network noticed anything except for a single user running Ubuntu (95% of our users are OS X users. The only other Ubuntu user in the office is not experi...

According to RFC documents, Douglas Comer's book "Computer networks and internets" and English wikipedia, class E IP addresses are those with leading bits 1111 (values of remaining bits are arbitrary). On the other hand,  Cisco's documents and one of...

Hey guys, Bare with me, as I am Cisco newbie and not too familiar with their setups.I essentially want to be able to use the web interface of the router to configure VPNs, port forwards, etc. and not use CLIs. Just got a Cisco 891FW Router for a clie...

Can anyone help me how to configure enable password in stacked 2960 switches. We are using TACACS to log into the switch. Now we need to remove TACACS. I tried to configure enable password but it doesn't accept. Any solution please?

Greatings;I need to stablish a VSS redundancy in to two WS-C4507R-E Chassis whit a quad supervisor configuration. So far I haven´t had any problems to verify required configurations to establish redundancy, however when checking if STP config ins nee...

We have a 2960.  All of the ports have portfast and BPDU Guard enabled.  Port 1 goes to a PC.  Port 2 goes to another PC.  Port 3 goes to port 1 on a hub.We the take ports 2 and 3 on the hub and loop them into each other.  So the hub has a loop, but ...

Has anyone worked with private vlans on ESXi Vmware trunked to a Cisco 3750 switch also using private vlans? ESXi-->Cisco 3750-->Firewall ->Internet Is this supported ?     

Hi  I have a cisco WS-C6509-E setup as a VSS pair. I am not clued up on the eol notices for these. Are the end of life notices on the chassis on the supervisor.Chassis dates showEndOfSalesEndOfContractRenewalEndOfSupportNov 1, 2006August 1, 2012Nov 3...

So I found this tutorial on a blog - I understand how to use network statements but there is a part that is really throwing me off in his write up (I could not contact the owner of the site to ask him so thought I'd post it here to ask) - first I wil...