AC750 - Archer D2 - Unable to set or change subnet mask smaller than /24 (C Class)

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AC750 - Archer D2 - Unable to set or change subnet mask smaller than /24 (C Class)
AC750 - Archer D2 - Unable to set or change subnet mask smaller than /24 (C Class)
2018-10-13 20:13:41
Model :

Hardware Version :

Firmware Version :

ISP :

Hello,
I have an Archer D2 AC750, Web Mgt UI has Firmware and harware details as:

Firmware Version: 1.4.0 0.8.0 v003e.0 Build 160216 Rel.55536n
Hardware Version: Archer D2 v1 00000001

I am unable to set the LAN IP to a subnet less than 255.255.255.0. The LAN IP static settings only have the option for A/B/C class subnet masks, not ones like 255.255.255.224 like I need.

I have managed in earlier firmware versions to set the subnet mask to 255.255.255.128, but the current version just tells me that it is custom and does not have anywhere to enter the custom mask. I note that the option for a second IP has the ability to enter a custom mask, but does not allow that IP to be in the same network as the primary IP, and it doesn't hold past a router reboot.

I don't use the router as a DHCP server or as a DSL router, it's basically used as an AP.

The TP-Link Tether iOS app has no LAN IP configuration that I can find.

If I telnet into the router the current settings are:

[CODE]
TP-LINK(conf)#lan show info


INDEX=1
{
DHCPServerEnable=0
DHCPRelay=0
X_TP_DhcpRelayServer=
minAddress=10.190.10.236
maxAddress=10.190.10.247
subnetMask=255.255.255.128
DNSServers=8.8.8.8,8.8.4.4
domainName=bungonet.local
IPRouters=10.190.10.225
DHCPLeaseTime=1800
IPInterfaceNumberOfEntries=1
DHCPStaticAddressNumberOfEntries=0
DHCPConditionalPoolNumberOfEntries=0
enable=1
IPInterfaceIPAddress=10.190.10.227
IPInterfaceSubnetMask=255.255.255.128
IPInterfaceAddressingType=Static
X_TP_MACAddress=EC:08:6B:A5:9C:DF
__ifName=br0
}
cmd:SUCC



[/CODE]

And I don't know what command to set IPInterfaceSubnetMask= in the CLI config.

Once I do that, I can use the static routing to define how to get to the rest of my LAN subnets.

Regards

Braedon
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