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DHCP reservation
good evening everyone I created my dhcp pools, but now I have about twenty devices to which I have to set a fixed ip address, via reservation. The M4100 allows the creation of a maximum of 16 po...
Hi attilay2k
Sorry to be the messenger for the news below
You are right, one static binding per DHCP pool, and maximum number of DHCP pools in M4100 is 16.
So we can only get one DHCP pool for your dynamic addresses and 15 static binding's using the pools 2-16.
For your information, the maximum number of DHCP pools can be found in the Platform Constants section of the Tech Specs in the M4100 datasheet.
The M4300 switches offer 256 pools and would help you.
Maybe you could consider the new M4250 switches, they also offer 256 pools.
There is model called M4250-10G2F-PoE+ (GSM4212P-100NAS in the US) with 10x1G ports and 2xSFP uplinks
I hope this helps!
Regards,
thanks JohnC_V
I had already seen this post, but it is not clear to me if by acting in this way I can exceed the limit of 16 pools (i.e. if I can add more clients to the pool_manual) or if that limitation remains
attilay2k wrote:thanks JohnC_V
I had already seen this post, but it is not clear to me if by acting in this way I can exceed the limit of 16 pools (i.e. if I can add more clients to the pool_manual) or if that limitation remains
Not sure I get you right - are you mixing max number of possible DHCP pools with the number of clients?
hi schumaku
maybe I didn't express myself well
i have 8 vlans to serve, so i created 8 dhcp pools
within some of the above 8 dhcp pools, I would like to make reservations to ensure that some of the devices that are in the above vlan always have the same ip address (so these are the clients)from what I understand it is possible to make a reservation by creating a new "manual" type dhcp pool with the ip address that I want to assign to the client, but this way obviously quickly saturates the number of available dhcp pools (16)
is there another way to make reservations and guarantee (to about 20 devices) to always have the same ip?
You create (or already have) one DHCP Pool per subnet, able to assign address for that very same subnet. You can add many static IP-MAC pairs into that same DHCP Pool - most likely more than you ever need.
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