IPV4获取不到地址
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IPV4获取不到地址
IPV4获取不到地址
用户76732024年6月5日修改
1、使用DHCP ACL计数或者抓包核查是否为交换机应答DHCP报文异常，是的话
按以下脚本收集信息
terminal length 0
terminal monitor
show clock
show version
show version slots
show version detail
show logging
show coredump files
show run
show cpu
show mem
sh memory history
show int st | in up
show ip dhcp pool
show ip dhcp server statistics
show cpu-protect //间隔3S，执行3次
show cpu-protect device x slot x //机框VSU场景收集，核查对应线卡CPP，间隔3S，执行3次
show mac-address-table | include H.H.H //间隔1s，执行10次
show ip dhcp snooping binding
show ip dhcp snooping binding | in H.H.H
show ip dhcp server agent mac H.H.H
show nfpp log summary
show nfpp dhcp-guard host
show ip dhcp relay-statistics
show ip dhcp conflict
show dhcp state
show interface counters rate
clear counters
show int counter summary //间隔3S，执行3次
show snooping log
show ip dhcp snooping bind
show snooping forward
show snooping timeout-binding-list
//以下debug信息，按需开启
debug syslog limit numbers 1000 time 5
debug ip dhcp filter mac H.H.H
debug ip dhcp server all
debug efmp packet filter dst_mac A src_mac B ipv4_dport eq 68 ipv4_sport eq 67 counter 5
debug efmp packet filter dst_mac B src_mac A ipv4_dport eq 67 ipv4_sport eq 68 counter 5
debug snooping ipv4 mac H.H.H
debug snooping ipv4 event
debug snooping ipv4 packet
show logging
undebug all
terminal no length
terminal no monitor