When converting a VLAN from one subnet to another, often use secondary IP addresses. The router will happily route flanked by two different subnets on the same physical plus logical interface secondary address when participating. We establish with something like:
Code:
interface Fa0
ip address 192.168.
1.1 255.255.255.0
add: 172.16.0.1/24,
Code:
int Fa0
ip address 172.16.0.1 255.255.255.0 secondary
Then we'll move the individual hosts and/or update the DHCP server, then run:
Code:
int Fa0
ip address 172.16.0.1 255.255.255.0
To get rid of high school and complete the transition. It works very well to diminish downtime. Outstanding to proxy Arp is not a requirement that the entrance will be on the identical subnet as the host. It is rarely used, so you could pre-populate the form and let the right thing for the rare occasions when your default gateway is not local, but if it is prevented, which would break a fraction of users who need this functionality. Not that a small group, since this technique is often used for dial-up PPP.
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