Подскажите в чем может быть проблема.
Есть два коммутатора DGS-3420-52T и DGS-3420-28SC.
Суть проблемы состоит в следующем после установки данных коммутаторов пакеты ICMP размером более 1472 перестало пропускать.
Jumbo Frame включен.
DoS Attack Prevention выключен.
До то этого стояли коммутаторы DGS-3100-24TG они пропускали большие пакеты от 1473 до 65500.
Может кто сталкивался с такой ситуацией.
DGS-3420-28SC
DGS-3420-28SC Gigabit Ethernet Switch
Command Line Interface
Firmware: Build 1.00.B045
Copyright(C) 2011 D-Link Corporation. All rights reserved.
DGS-3420-28SC:admin#show switch
Command: show switch
Device Type : DGS-3420-28SC Gigabit Ethernet Switch
MAC Address : 28-10-7B-6F-32-00
IP Address : 172.16.111.3 (Manual)
VLAN Name : u111
Subnet Mask : 255.255.255.0
Default Gateway : 172.16.111.1
Boot PROM Version : Build 1.00.006
Firmware Version : Build 1.00.B045
Hardware Version : A2
Serial Number : R32J2C1000196
System Name :
System Location :
System Uptime : 8 days, 0 hours, 50 minutes, 0 seconds
System Contact :
Spanning Tree : Disabled
GVRP : Disabled
IGMP Snooping : Disabled
MLD Snooping : Disabled
RIP : Disabled
RIPng : Disabled
VLAN Trunk : Disabled
Telnet : Enabled (TCP 23)
Web : Enabled (TCP 80)
SNMP : Enabled
SSL Status : Disabled
SSH Status : Disabled
802.1X : Disabled
Jumbo Frame : On
CLI Paging : Enabled
MAC Notification : Disabled
Port Mirror : Disabled
SNTP : Enabled
HOL Prevention State : Enabled
Syslog Global State : Enabled
Single IP Management : Disabled
Password Encryption Status : Enabled
DNS Resolver : Disabled
DGS-3420-52T
DGS-3420-52T Gigabit Ethernet Switch
Command Line Interface
Firmware: Build 1.00.B045
Copyright(C) 2011 D-Link Corporation. All rights reserved.
DGS-3420-52T:admin#sh sw
Command: show switch
Device Type : DGS-3420-52T Gigabit Ethernet Switch
MAC Address : C8-BE-19-96-6A-00
IP Address : 172.16.111.2 (Manual)
VLAN Name : u111
Subnet Mask : 255.255.255.0
Default Gateway : 172.16.111.1
Boot PROM Version : Build 1.00.006
Firmware Version : Build 1.00.B045
Hardware Version : A2
Serial Number : R3282C8000054
System Name :
System Location :
System Uptime : 8 days, 1 hours, 48 minutes, 42 seconds
System Contact :
Spanning Tree : Disabled
GVRP : Disabled
IGMP Snooping : Disabled
MLD Snooping : Disabled
RIP : Disabled
RIPng : Disabled
VLAN Trunk : Disabled
Telnet : Enabled (TCP 23)
Web : Enabled (TCP 80)
SNMP : Enabled
SSL Status : Disabled
SSH Status : Disabled
802.1X : Disabled
Jumbo Frame : On
CLI Paging : Enabled
MAC Notification : Disabled
Port Mirror : Disabled
SNTP : Enabled
HOL Prevention State : Enabled
Syslog Global State : Enabled
Single IP Management : Disabled
Password Encryption Status : Enabled
DNS Resolver : Disabled