5110-28p-si配合radius认证每到一个offline-detect时间掉包问题

5110-28p-si配合radius认证每到一个offline-detect时间就会用户ping就会出现1~2个掉包。配置如下

 mac-authentication
 mac-authentication timer offline-detect 60
 mac-authentication domain zhgjx
#
 password-recovery enable
#
vlan 1
#
vlan 2
#
radius scheme zhgjx
 primary authentication 192.168.88.1 key cipher $c$3$15+LG/YAQ5LvhbDMktUzZgBglwdcKpJ0
 primary accounting 192.168.88.1 key cipher $c$3$ZMno8zyhjNrKfUVpDd5/B6TldYr/KV8G
 timer realtime-accounting 3
 user-name-format without-domain
#
aaa nas-id profile test
#
domain system
 access-limit disable
 state active
 idle-cut disable
 self-service-url disable
domain zhgjx
 authentication default radius-scheme zhgjx
 authorization default radius-scheme zhgjx
 accounting default radius-scheme zhgjx
 access-limit disable
 state active
 idle-cut disable
 self-service-url disable
#
user-group system
 group-attribute allow-guest
#
interface NULL0
#
interface Vlan-interface1
 ip address 192.168.88.88 255.255.255.0
#
interface GigabitEthernet1/0/1
 mac-authentication
#
interface GigabitEthernet1/0/2
 mac-authentication
#
interface GigabitEthernet1/0/3
 mac-authentication
#
interface GigabitEthernet1/0/4
 mac-authentication
#
interface GigabitEthernet1/0/5
 mac-authentication
#
interface GigabitEthernet1/0/6
 mac-authentication
#
interface GigabitEthernet1/0/7
 mac-authentication
#