if an ap cannot find the internet nor get a dhcp address, what ip address will it give itself?

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if an 330 ap cannot find the internet nor get a dhcp address, what ip address will it give itself?
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Rob Brown

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Posted 4 years ago

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Brian Ambler

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Hi Rob,

I set the switchport to which on of my APs at home is connected to a null access VLAN, then reset its config. What I saw was that when it rebooted, it did attempt to request an address from the DHCP server as expected:
AH-001f80#sho int mgt0
Admin state=enabled; Operational state=up;
DHCP client=enabled;
Default IP subnet=192.168.0.0/255.255.0.0;
IP addr=0.0.0.0; Netmask=0.0.0.0; Default Gateway:0.0.0.0;
VLAN id=1; Native vlan id=1;
MAC addr=9c5d:1200:1f80; MTU=1500;
Rx packets=0; errors=0; dropped=0;
Tx packets=4; errors=0; dropped=0;
Rx bytes=0 (0 B); Tx bytes=1424 (1.391 KB);
Once this operation timed out a short time later, the AP gave itself a 192.168.1.1 address:
AH-001f80#sho int mgt0
Admin state=enabled; Operational state=up;
DHCP client=enabled;
Default IP subnet=192.168.0.0/255.255.0.0;
IP addr=192.168.1.1; Netmask=255.255.0.0; Default Gateway:0.0.0.0;
VLAN id=1; Native vlan id=1;
MAC addr=9c5d:1200:1f80; MTU=1500;
Rx packets= 35; errors=0; dropped=0;
Tx packets=3100; errors=0; dropped=0;
Rx bytes=8945 (8.735 KB); Tx bytes=1098769 (1.048 MB);
Hope this helps


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Rob Brown

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thanks very much Jason, this is really helpful and confirms what we had seen on site. much appreciated.
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Brian Ambler

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Not a problem Rob, happy to help.