172.16.1.1 /30 or 255.255.255.252
252 = 1111 1100
That means 2^6 = 64 and 2^2-2 = 2
I checked a subnet chart and found out a /30 has 64 subnets and 2 hosts per subnet.
This has tricked me before. Originally I d...
Hello All - I am having SM-X-ES3-16-P module installed in 4500 Router. I also have External switch 3750 connected in the same Router using Gig 0/0 of the Router using a Dot1 sub-interface.
I wan to establish a layer 2 connection between ...
if I configure dhcp on router after I configure and switchport port-security on switch fastethernet 0/1
switchport access vlan 10
switchport mode access
switchport port-security maximum 2
How to make mpls fail over to site to site vpn?
Site A and Site B has primary MPLS connection and site to site ipsec vpn between them. If primary MPLS fails traffic have to flow over ipsec vpn. How to achieve this?
We have to crea...
Just started working with Cisco switches so a bit of a newbie.
I was asked to step up some IE5000 switches running OS15.2 with SSH version 2 only. Which went fine, thanks to the tutorials in the community, however once the devic...