в логах такое
[2041] 12:47:24 2016-12-27
"CPU falling trap."
level: 6, module: 5, function: 1, and event no: 1
---------------------------------------------------------------
[2040] 12:47:21 2016-12-27
"CPU guard release trap."
level: 6, module: 5, function: 1, and event no: 1
---------------------------------------------------------------
[2039] 12:47:19 2016-12-27
"CPU rising trap."
level: 6, module: 5, function: 1, and event no: 1
---------------------------------------------------------------
[2038] 12:47:15 2016-12-27
"CPU guard control trap."
level: 6, module: 5, function: 1, and event no: 1
вот конфиг
10.10.2.1-0#sh ru
Building running configuration. Please wait...
!<stackingDB>00</stackingDB>
!---<InitPhaseConfig>
!---</InitPhaseConfig>
!
sntp server 10.10.0.1
!
sntp client
sntp poll 3600
clock timezone UTC hours 3 minute 0
!
prompt 10.10.2.1
snmp-server location 10.10.2.1
!
process cpu guard
process cpu guard trap
!
dos-protection echo-chargen
dos-protection echo-chargen bit-rate-in-kilo 2000
dos-protection tcp-flooding
dos-protection tcp-flooding bit-rate-in-kilo 2000
dos-protection udp-flooding bit-rate-in-kilo 2000
dos-protection win-nuke
dos-protection win-nuke bit-rate-in-kilo 2000
!
snmp-server community public ro
snmp-server community private rw
!
no snmp-server enable traps authentication
snmp-server host 10.10.0.1 inform timeout 6000 retry 5 public version 2c udp-port 162
snmp-server notify-filter 1 remote 10.10.0.1
!
username admin access-level 15
username admin password 7 d2d506ba686253e1bb925799244ab582
enable password 7 1b3231655cebb7a1f783eddf27d254ca
!
vlan database
VLAN 1 name DefaultVlan media ethernet
VLAN 100 name MGMT media ethernet
VLAN 201 name IPoE-01 media ethernet
!
spanning-tree mst configuration
!
traffic-segmentation
traffic-segmentation session 1 uplink ethernet 1/25 downlink ethernet 1/1-24,26-28
!
no lldp
!
ip arp inspection
ip arp inspection vlan 201
ip arp inspection validate dst-mac
ip arp inspection validate ip
ip arp inspection validate src-mac
!
interface ethernet 1/1
spanning-tree loopback-detection trap
switchport multicast packet-rate 64
switchport unknown-unicast packet-rate 64
switchport allowed vlan add 201 untagged
switchport ingress-filtering
switchport native vlan 201
switchport allowed vlan remove 1
switchport mode access
switchport forbidden vlan add 1,100
spanning-tree edge-port
no spanning-tree port-bpdu-flooding
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip source-guard sip-mac
loopback-detection
!
interface ethernet 1/24
spanning-tree loopback-detection trap
switchport multicast packet-rate 64
switchport unknown-unicast packet-rate 64
switchport allowed vlan add 201 untagged
switchport ingress-filtering
switchport native vlan 201
switchport allowed vlan remove 1
switchport mode access
switchport forbidden vlan add 1,100
spanning-tree edge-port
no spanning-tree port-bpdu-flooding
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip source-guard sip-mac
loopback-detection
!
interface ethernet 1/25
no spanning-tree loopback-detection
spanning-tree loopback-detection trap
ip arp inspection trust
ip arp inspection limit none
switchport allowed vlan add 100 untagged
switchport native vlan 100
switchport allowed vlan remove 1
switchport allowed vlan add 201 tagged
spanning-tree edge-port
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip dhcp snooping trust
!
interface ethernet 1/26
spanning-tree loopback-detection trap
ip arp inspection trust
ip arp inspection limit none
switchport allowed vlan add 100 untagged
switchport native vlan 100
switchport allowed vlan remove 1
switchport allowed vlan add 201 tagged
spanning-tree edge-port
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip dhcp snooping trust
!
interface ethernet 1/27
spanning-tree loopback-detection trap
ip arp inspection trust
ip arp inspection limit none
switchport allowed vlan add 100 untagged
switchport native vlan 100
switchport allowed vlan remove 1
switchport allowed vlan add 201 tagged
spanning-tree edge-port
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip dhcp snooping trust
!
interface ethernet 1/28
spanning-tree loopback-detection trap
ip arp inspection trust
ip arp inspection limit none
switchport allowed vlan add 100 untagged
switchport native vlan 100
switchport allowed vlan remove 1
switchport allowed vlan add 201 tagged
spanning-tree edge-port
spanning-tree spanning-disabled
spanning-tree bpdu-filter
ip dhcp snooping trust
!
interface vlan 1
!
interface vlan 100
ip address 10.10.2.1 255.255.0.0
!
interface vlan 201
!
no ip http secure-server
!
ip default-gateway 10.10.0.1
!
no ip igmp snooping
!
radius-server acct-port 1813
!
ip dhcp snooping
ip dhcp snooping vlan 201
ip dhcp snooping information option
ip dhcp snooping information option remote-id mac-address encode ascii
!
interface vlan 1
!
interface vlan 100
!
interface vlan 201
!
line console
!
line vty
!
end
!
10.10.2.1-0#
что это может быть