wlan端口服务器无响应,wlan项目遇到的问题,总结
現(xiàn)在我使用的設(shè)備都是Aruba MSR,MSA系列產(chǎn)品
debug dhcp調(diào)試DHCP協(xié)商過(guò)程
若AP能夠不能正常獲得IP地址,可能是ONU、OLT核心網(wǎng)的問(wèn)題
通過(guò)查找,排錯(cuò)
調(diào)試過(guò)程是:AP能夠發(fā)送DHCPdiscover
AC響應(yīng)AP,發(fā)送DHCPoffer
正常情況下,AP再向AC發(fā)送request
AC響應(yīng)AP,發(fā)送ACK
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今天試了下,站在ONU上都能PING通互連的地址,但AP就是不上線,還出現(xiàn)這樣的(經(jīng)調(diào)試):
%DHCP-449511: can't find layer3 ip-pool, relay agent ip = 0x0ac0d801!
cannot found available ip-pool
經(jīng)過(guò)一天的協(xié)商,雙方都在調(diào)試,發(fā)現(xiàn)原來(lái)是ONU的IP地址掩碼由26寫(xiě)成24了
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AC上的時(shí)間與現(xiàn)在的北京時(shí)間不同步
第一步:先在AC的WEB方式上 基本配置?---NTP服務(wù) 把NTP服務(wù)器和NTP客戶端都關(guān)閉,保存退出
第二步:在AC的業(yè)務(wù)板上,手動(dòng)設(shè)置時(shí)間
格式如下:clock set? 2011 06?21 2 8 57 00
2011表示年
06表示月
21表示日
2表示星期二
8表示時(shí)
57表示分
00表示秒
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debug dhcp調(diào)試出現(xiàn)這樣的問(wèn)題,是由于地址池沒(méi)有配置
DHCP請(qǐng)求包通過(guò)指定的端口進(jìn)來(lái),找到匹配IP地址網(wǎng)段,才能正確找到地址池
如10.10.10.0的網(wǎng)段,只能找10.10.10.0的網(wǎng)段的地址池
若是10.10.10.0的網(wǎng)段來(lái)發(fā)送DHCP請(qǐng)求,而地址是10.10.11.0的地址池,則提示以下信息:
%DHCP-929852: received DISCOVER packet
%DHCP-929852: mac = 00:17:7b:2d:67:95 , vlan = 3582, cvlan = 4095, mod = 1, port = 4, xid = 0x1972cc68
ciaddr = 0x00000000, yiaddr = 0x00000000, siaddr = 0x00000000, giaddr = 0x0ac0ce01, rqstip = 0x00000000
option60code = 23631, no option43
%DHCP-929852: can't find layer3 ip-pool, relay agent ip = 0x0ac0ce01!
%DHCP-929852: cannot found available ip-pool
%DHCP-929862: received DISCOVER packet
%DHCP-929862: mac = 00:17:7b:2d:9a:2c , vlan = 3582, cvlan = 4095, mod = 1, port = 4, xid = 0x54a4e1ef
ciaddr = 0x00000000, yiaddr = 0x00000000, siaddr = 0x00000000, giaddr = 0x0ac0ce01, rqstip = 0x00000000
option60code = 23631, no option43
%DHCP-929862: can't find layer3 ip-pool, relay agent ip = 0x0ac0ce01!
%DHCP-929862: cannot found available ip-pool
%DHCP-929865: received DISCOVER packet
%DHCP-929865: mac = 00:17:7b:2d:67:95 , vlan = 3582, cvlan = 4095, mod = 1, port = 4, xid = 0x1972cc68
ciaddr = 0x00000000, yiaddr = 0x00000000, siaddr = 0x00000000, giaddr = 0x0ac0ce01, rqstip = 0x00000000
option60code = 23631, no option43
%DHCP-929865: can't find layer3 ip-pool, relay agent ip = 0x0ac0ce01!
%DHCP-929865: cannot found available ip-pool
總結(jié)
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