Specifications

AP Overview
RoamAbout Mobility System Software Configuration Guide 9-13
7. RAS1receivestheFindRASmessageandcomparesthebiassettingsoneachRoamAbout
SwitchfortheAP.MorethanoneRoamAboutSwitchhasahighbiasfortheAP,soRAS1
selectstheRoamAboutSwitchthathasthegreatestcapacitytoaddnewactiveAP
connections.Inthisexample,RAS1
hasmorecapacity.RAS1sendsitsownIPaddressinthe
FindRASReplymessagetotheAP.
8. TheAPcontactsRAS1anddetermineswhetheritshouldusealocallystoredoperational
imageordownloaditfromtheRoamAboutSwitch.Oncetheoperationalimageisloaded,the
APrequestsconfigurationinformation
fromRAS1.
Example Boot of AP with Static IP Configuration
Figure 9‐4showsanexampleofthebootprocessforanAPconfiguredwithstaticIPinformation.
Intheexample,theAPhasbeenconfiguredtousethefollowing:
•StaticIPaddress:172.16.0.42,netmask:255.255.255.0,defaultrouter172.16.0.20
• BootRoamAboutSwitch:DNSserver:172.16.0.1
Figure 9-4 AP Booting with a Static IP Address
AftertheAPisconfiguredwiththeabove
information,thenexttimetheAPboots,thefollowing
takesplace:
1. TheAPsendsanARPrequestforitsownaddresstoensureitisnotinuseelsewhereinthe
network.
2. TheDNSserverresolvesthefullyqualifieddomainnameoftheR o amAboutSwitch.
3. TheAPsendsaFindRASmessage
totheRoamAboutSwitch.
4. TheRoamAboutSwitchrespondstotheFindRASmessage
5. TheAPsendsaunicastmessagetotheRoamA boutSwitchanddetermineswhetheritshould
usealocallystoredoperationalimageordownloaditfromtheRoamAboutSwitch.
6. Oncetheoperationalimageisloaded,theRBT‐switchsends
configurationinformationtothe
AP.
RoamAbout Switch
Layer 2
DNS Server
172.16.0.1
2
4
1
DAP 1
s
tatic IP: 172.16.0.42
3
5
6