Заметили следующую проблему.
Коммутатор DES-1228-28/ME. Аплинк 1Гбит. В аплинк поступает multicast поток IPTV 150мбит (45 каналов), включён IGMP Snooping. В коммутатор подключён клиент, который находится в том же VLan и сегменте сети, что и сам коммутатор.
При попытке обращения к коммутатору с клиента (ping, telnet, web...) коммутатор очень долго отвечает на ARP запрос. Далее всё работает нормально до того как клиент удалит из своего кеша ARP запись коммутатора. Трафик коммутируется без нареканий.
Мониторинг ARP пакетов в момент обращения:
Вложение:
2015-03-23_122023.png [ 14.54 KiB | Просмотров: 5961 ]
Как видно со скрина ответ пришёл через 3,5 секунды.
Проблема массовая и проявляется везде где на вход статически поступает multicast. Пробовал убрать все ACL - не помогло. Проблема пропадает если убрать поток multicast.
Конфиг:
Код:
#-------------------------------------------------------------------
# DES-1228/ME Configuration
#
# Firmware: Build 2.50.B004
# Copyright(C) 2010 D-Link Corporation. All rights reserved.
#-------------------------------------------------------------------
# BASIC
config serial_port baud_rate 9600 auto_logout 10_minutes
# ACCOUNT LIST
create account admin admin
xx
xx
# ACCOUNT END
# PASSWORD ENCRYPTION
disable password encryption
config terminal_line default
enable clipaging
disable command logging
# STORM
config traffic control_trap none
config traffic control 1-28 broadcast disable multicast disable unicast disable action drop threshold 64 countdown 0 time_interval 5
# LOOP_DETECT
disable loopdetect
config loopdetect recover_timer 60
config loopdetect interval 10
config loopdetect trap none
config loopdetect ports 1-28 state disabled
# QOS
config scheduling_mechanism strict
config scheduling 0 strict
config scheduling 0 weight 1
config scheduling 1 weight 2
config scheduling 2 weight 4
config scheduling 3 weight 8
config 802.1p user_priority 0 1
config 802.1p user_priority 1 0
config 802.1p user_priority 2 0
config 802.1p user_priority 3 1
config 802.1p user_priority 4 2
config 802.1p user_priority 5 2
config 802.1p user_priority 6 3
config 802.1p user_priority 7 3
config cos tos value 0 class 0
config cos tos value 1 class 0
config cos tos value 2 class 0
config cos tos value 3 class 0
config cos tos value 4 class 0
config cos tos value 5 class 0
config cos tos value 6 class 0
config cos tos value 7 class 0
config dscp_mapping dscp_value 0 class 0
config dscp_mapping dscp_value 1 class 0
config dscp_mapping dscp_value 2 class 0
config dscp_mapping dscp_value 3 class 0
config dscp_mapping dscp_value 4 class 0
config dscp_mapping dscp_value 5 class 0
config dscp_mapping dscp_value 6 class 0
config dscp_mapping dscp_value 7 class 0
config dscp_mapping dscp_value 8 class 0
config dscp_mapping dscp_value 9 class 0
config dscp_mapping dscp_value 10 class 0
config dscp_mapping dscp_value 11 class 0
config dscp_mapping dscp_value 12 class 0
config dscp_mapping dscp_value 13 class 0
config dscp_mapping dscp_value 14 class 0
config dscp_mapping dscp_value 15 class 0
config dscp_mapping dscp_value 16 class 0
config dscp_mapping dscp_value 17 class 0
config dscp_mapping dscp_value 18 class 0
config dscp_mapping dscp_value 19 class 0
config dscp_mapping dscp_value 20 class 0
config dscp_mapping dscp_value 21 class 0
config dscp_mapping dscp_value 22 class 0
config dscp_mapping dscp_value 23 class 0
config dscp_mapping dscp_value 24 class 0
config dscp_mapping dscp_value 25 class 0
config dscp_mapping dscp_value 26 class 0
config dscp_mapping dscp_value 27 class 0
config dscp_mapping dscp_value 28 class 0
config dscp_mapping dscp_value 29 class 0
config dscp_mapping dscp_value 30 class 0
config dscp_mapping dscp_value 31 class 0
config dscp_mapping dscp_value 32 class 0
config dscp_mapping dscp_value 33 class 0
config dscp_mapping dscp_value 34 class 0
config dscp_mapping dscp_value 35 class 0
config dscp_mapping dscp_value 36 class 0
config dscp_mapping dscp_value 37 class 0
config dscp_mapping dscp_value 38 class 0
config dscp_mapping dscp_value 39 class 0
config dscp_mapping dscp_value 40 class 0
config dscp_mapping dscp_value 41 class 0
config dscp_mapping dscp_value 42 class 0
config dscp_mapping dscp_value 43 class 0
config dscp_mapping dscp_value 44 class 0
config dscp_mapping dscp_value 45 class 0
config dscp_mapping dscp_value 46 class 0
config dscp_mapping dscp_value 47 class 0
config dscp_mapping dscp_value 48 class 0
config dscp_mapping dscp_value 49 class 0
config dscp_mapping dscp_value 50 class 0
config dscp_mapping dscp_value 51 class 0
config dscp_mapping dscp_value 52 class 0
config dscp_mapping dscp_value 53 class 0
config dscp_mapping dscp_value 54 class 0
config dscp_mapping dscp_value 55 class 0
config dscp_mapping dscp_value 56 class 0
config dscp_mapping dscp_value 57 class 0
config dscp_mapping dscp_value 58 class 0
config dscp_mapping dscp_value 59 class 0
config dscp_mapping dscp_value 60 class 0
config dscp_mapping dscp_value 61 class 0
config dscp_mapping dscp_value 62 class 0
config dscp_mapping dscp_value 63 class 0
config 802.1p default_priority 1-28 0
config cos mapping port 1-28 ethernet 802.1p
# MIRROR
disable mirror
config mirror port 1 delete source ports 1 both
# BANDWIDTH
config bandwidth_control 1-28 rx_rate no_limit tx_rate no_limit
# SYSLOG
disable syslog
config log_save_timing on_demand
# TRAF-SEGMENTATION
config traffic_segmentation 1-28 forward_list 1-28
# PORT
disable jumbo_frame
config ports 1-26 speed auto flow_control disable state enable clear_description
config ports 1-26 learning enable
config ports 1-26 mdix auto
config ports 25-28 medium_type fiber speed auto flow_control disable state enable clear_description
config ports 25-28 medium_type fiber learning enable
# OAM
# MANAGEMENT
enable snmp traps
enable snmp authenticate_traps
enable snmp linkchange_traps
config snmp linkchange_traps ports all enable
config snmp coldstart_traps enable
config snmp warmstart_traps enable
disable rmon
# SNMPv3
delete snmp community public
delete snmp community private
delete snmp user initial
delete snmp group initial
delete snmp view restricted all
delete snmp view CommunityView all
delete snmp group public
delete snmp group private
delete snmp group ReadGroup
delete snmp group WriteGroup
config snmp engineID 800000ab03b8a386fa8ac0
create snmp view restricted 1.3.6.1.2.1.1 view_type included
create snmp view restricted 1.3.6.1.2.1.11 view_type included
create snmp view restricted 1.3.6.1.6.3.10.2.1 view_type included
create snmp view restricted 1.3.6.1.6.3.11.2.1 view_type included
create snmp view restricted 1.3.6.1.6.3.15.1.1 view_type included
create snmp view CommunityView 1 view_type included
create snmp view CommunityView 1.3.6.1.6.3 view_type excluded
create snmp view CommunityView 1.3.6.1.6.3.1 view_type included
create snmp group public v1 read_view CommunityView notify_view CommunityView
create snmp group public v2c read_view CommunityView notify_view CommunityView
create snmp group initial v3 noauth_nopriv read_view restricted notify_view restricted
create snmp group ReadGroup v1 read_view CommunityView notify_view CommunityView
create snmp group ReadGroup v2c read_view CommunityView notify_view CommunityView
create snmp group 409x9kezg7 v1 read_view CommunityView write_view CommunityView notify_view CommunityView
create snmp group 409x9kezg7 v2c read_view CommunityView write_view CommunityView notify_view CommunityView
create snmp group WriteGroup v1 read_view CommunityView write_view CommunityView notify_view CommunityView
create snmp group WriteGroup v2c read_view CommunityView write_view CommunityView notify_view CommunityView
create snmp community 409x9kezg7 view CommunityView read_write
create snmp community public view CommunityView read_only
create snmp user initial initial
# FIRM
config tftpc server_udp_port 69 client_udp_port 50001
config configuration trap save disable upload disable download disable
# VLAN
disable asymmetric_vlan
enable pvid auto_assign
config vlan default delete 1-28
config vlan default advertisement enable
config vlan default add untagged 1-28
disable qinq
disable gvrp
config qinq ports 1-28 role nni outer_tpid 0x88A8 trust_cvid disable vlan_translation disable
config gvrp 1-28 state disable ingress_checking enable acceptable_frame admit_all pvid 1
# 8021X
disable 802.1x
config 802.1x auth_protocol radius_eap
config radius parameter timeout 5 retransmit 2
config 802.1x capability ports 1-28 none
config 802.1x auth_parameter ports 1-28 direction both port_control auto quiet_period 60 tx_period 30 supp_timeout 30 server_timeout 30 max_req 2 reauth_period 3600 enable_reauth disable
# PORT_LOCK
disable port_security trap_log
config port_security ports 1-28 admin_state disable max_learning_addr 1 lock_address_mode DeleteOnTimeout
# PPPOE
config pppoe circuit_id_insertion state disable
config pppoe circuit_id_insertion ports 1-28 state enable circuit_id ip
# MAC_ADDRESS_TABLE_NOTIFICATION
config mac_notification interval 1 historysize 1
disable mac_notification
config mac_notification ports 1-28 disable
# LACP
config lacp_ports 1-28 mode passive
config link_aggregation algorithm mac_source
# STP
config stp version rstp
config stp maxage 20 maxhops 20 forwarddelay 15 txholdcount 6 fbpdu enable hellotime 2
config stp priority 32768 instance_id 0
config stp mst_config_id name B8:A3:86:FA:8A:C0 revision_level 0
config stp ports 1-28 externalCost auto edge auto p2p auto state enable
config stp mst_ports 1-28 instance_id 0 internalCost auto priority 128
config stp ports 1-28 fbpdu enable
config stp ports 1-28 restricted_role false
config stp ports 1-28 restricted_tcn false
config stp loop_guard ports 1-28 state disable
config stp trap new_root enable topo_change enable
disable stp
# MULTI FILTER
create mcast_filter_profile profile_id 1 profile_name iptv
create mcast_filter_profile profile_id 10 profile_name deny
config mcast_filter_profile profile_id 1 add 234.0.0.1-234.0.0.250
config max_mcast_group ports 1,3-4,16,20,22,26 max_group 3
config max_mcast_group ports 2,5-15,17-19,21,23-25,27-28 max_group 1
config limited_multicast_addr ports 1,3-5,8-9,11,16,20,22,26 add profile_id 1
config limited_multicast_addr ports 2,6-7,10,12-15,17-19,21,23-25,27-28 add profile_id 10
config max_mcast_group ports 1-28 ipv6 max_group 256
# BPDU_TUNNEL
config bpdu_tunnel ports all type none
disable bpdu_tunnel
# BPDU_PROTECTION
config bpdu_protection ports 1-28 mode shutdown
# SAFEGUARD_ENGINE
config safeguard_engine state disable utilization rising 30 falling 20 trap_log disable mode fuzzy
# BANNER_PROMP
config command_prompt default
config greeting_message default
# SSH
config ssh algorithm 3DES enable
config ssh algorithm AES128 enable
config ssh algorithm AES192 enable
config ssh algorithm AES256 enable
config ssh algorithm arcfour enable
config ssh algorithm blowfish enable
config ssh algorithm cast128 enable
config ssh algorithm twofish128 enable
config ssh algorithm twofish192 enable
config ssh algorithm twofish256 enable
config ssh algorithm MD5 enable
config ssh algorithm SHA1 enable
config ssh algorithm RSA enable
config ssh algorithm DSA enable
config ssh authmode password enable
config ssh authmode publickey enable
config ssh authmode hostbased enable
config ssh server maxsession 8
config ssh server contimeout 120
config ssh server authfail 2
config ssh server rekey never
config ssh user admin authmode password
disable ssh
# SNOOP
enable igmp_snooping
config igmp_snooping data_driven_learning max_learned_entry 250
config igmp_snooping vlan_name default state enable fast_leave enable
config igmp_snooping data_driven_learning vlan_name default aged_out enable
config igmp_snooping querier all query_interval 125 max_response_time 10 robustness_variable 2 last_member_query_interval 1 state enable version 2
config router_ports default add 25
config router_ports_forbidden default add 1-24,26-28
config igmp access_authentication ports 1-28 state disable
config cpu_filter l3_control_pkt 1-28 all state disable
# MLDSNP
# FDB
config fdb aging_time 300
config multicast port_filtering_mode 1-28 filter_unregistered_groups
disable flood_fdb
config flood_fdb log disable trap disable
# VLAN_TRUNK
disable vlan_trunk
# SMTP
disable smtp
# ACL
create access_profile packet_content_mask offset1 l2 0 0xFFFF offset2 l3 0 0xFF00 offset3 l3 12 0xFFFF offset4 l3 14 0xFFFF profile_id 10
config access_profile profile_id 10 add access_id 1 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x004d mask 0xffff port 20 permit
config access_profile profile_id 10 add access_id 2 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x028c mask 0xffff port 11 permit
config access_profile profile_id 10 add access_id 3 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x004f mask 0xffff port 22 permit
config access_profile profile_id 10 add access_id 4 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x01bb mask 0xffff port 26 permit
config access_profile profile_id 10 add access_id 5 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x01b1 mask 0xffff port 16 permit
config access_profile profile_id 10 add access_id 6 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x002b mask 0xffff port 1 permit
config access_profile profile_id 10 add access_id 7 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x00c0 mask 0xffff port 3 permit
config access_profile profile_id 10 add access_id 8 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x009e mask 0xffff port 5 permit
config access_profile profile_id 10 add access_id 9 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x0192 mask 0xffff port 9 permit
config access_profile profile_id 10 add access_id 10 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x001d mask 0xffff port 8 permit
config access_profile profile_id 10 add access_id 11 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x0051 mask 0xffff port 27 permit
config access_profile profile_id 10 add access_id 12 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x0052 mask 0xffff port 27 permit
config access_profile profile_id 10 add access_id 13 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0a0b mask 0xffff offset4 0x0040 mask 0xffff port 4 permit
config access_profile profile_id 10 add access_id 14 packet_content offset1 0x0800 mask 0xffff offset2 0x4500 mask 0xff00 offset3 0x0000 mask 0xffff offset4 0x0000 mask 0xffff port 1,3-5,8-9,11,16,20,22,26-27 permit
create access_profile packet_content_mask offset1 l2 0 0xFFFF offset2 l3 2 0xFFFF offset3 l3 14 0xFFFF offset4 l3 16 0xFFFF profile_id 20
config access_profile profile_id 20 add access_id 1 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x004d mask 0xffff port 20 permit
config access_profile profile_id 20 add access_id 2 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x028c mask 0xffff port 11 permit
config access_profile profile_id 20 add access_id 3 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x004f mask 0xffff port 22 permit
config access_profile profile_id 20 add access_id 4 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x01bb mask 0xffff port 26 permit
config access_profile profile_id 20 add access_id 5 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x01b1 mask 0xffff port 16 permit
config access_profile profile_id 20 add access_id 6 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x002b mask 0xffff port 1 permit
config access_profile profile_id 20 add access_id 7 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x00c0 mask 0xffff port 3 permit
config access_profile profile_id 20 add access_id 8 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x009e mask 0xffff port 5 permit
config access_profile profile_id 20 add access_id 9 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x0192 mask 0xffff port 9 permit
config access_profile profile_id 20 add access_id 10 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x001d mask 0xffff port 8 permit
config access_profile profile_id 20 add access_id 11 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x0051 mask 0xffff port 27 permit
config access_profile profile_id 20 add access_id 12 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x0052 mask 0xffff port 27 permit
config access_profile profile_id 20 add access_id 13 packet_content offset1 0x0806 mask 0xffff offset2 0x0800 mask 0xffff offset3 0x0a0b mask 0xffff offset4 0x0040 mask 0xffff port 4 permit
config access_profile profile_id 20 add access_id 14 packet_content port 1,3-5,8-9,11,16,20,22,26-27 deny
create access_profile ip destination_ip 255.0.0.0 profile_id 25
config access_profile profile_id 25 add access_id 1 ip destination_ip 234.0.0.0 port 1-28 permit priority 7 replace_priority
create cpu access_profile profile_id 1 ip igmp type
config cpu access_profile profile_id 1 add access_id 1 ip igmp type 17 port 1-24,26-28 deny
enable cpu_interface_filtering
# SNTP
disable sntp
config time_zone operator - hour 6 min 0
config sntp primary 0.0.0.0 secondary 0.0.0.0 poll-interval 720
config dst disable
# DOS_PREVENTION
disable dos_prevention trap_log
config dos_prevention dos_type land_attack action drop state enable
config dos_prevention dos_type blat_attack action drop state enable
config dos_prevention dos_type smurf_attack action drop state enable
config dos_prevention dos_type tcp_null_scan action drop state enable
config dos_prevention dos_type tcp_xmascan action drop state enable
config dos_prevention dos_type tcp_synfin action drop state enable
config dos_prevention dos_type tcp_syn_srcport_less_1024 action drop state disable
# DHCP_SERVER_SCREENING
config filter dhcp_server ports 1-28 state disable
config filter dhcp_server illegal_server_log_suppress_duration 5min
config filter dhcp_server trap disable
config filter dhcp_server log disable
# ADDRBIND
config address_binding ip_mac ports 1-28 state disable allow_zeroip disable forward_dhcppkt enable
config address_binding ip_mac ports 1-28 mode arp stop_learning_threshold 500
config address_binding dhcp_snoop max_entry ports 1-28 limit 5
config address_binding dhcp_snoop max_entry ports 1-28 limit no_limit ipv6
disable address_binding dhcp_snoop
disable address_binding trap_log
disable address_binding dhcp_snoop ipv6
# ARPSPOOF
# IP
config ipif System vlan default ipaddress 10.11.0.252/24 state enable
config ipif System dhcp_option12 state disable
enable telnet 23
enable web 80
disable autoconfig
config autoconfig timeout 50
# LLDP
disable lldp
config lldp message_tx_interval 30
config lldp tx_delay 2
config lldp message_tx_hold_multiplier 4
config lldp reinit_delay 2
config lldp notification_interval 5
config lldp ports 1-28 notification disable
config lldp ports 1-28 admin_status tx_and_rx
# ARP
config arp_aging time 20
config gratuitous_arp send ipif_status_up enable
config gratuitous_arp send dup_ip_detected enable
config gratuitous_arp learning enable
disable gratuitous_arp ipif System trap
enable gratuitous_arp ipif System log
# AAA
config authen_login default method local
config authen_enable default method local_enable
config authen application console login default
config authen application console enable default
config authen application telnet login default
config authen application telnet enable default
config authen application ssh login default
config authen application ssh enable default
config authen application http login default
config authen application http enable default
config authen parameter response_timeout 30
config authen parameter attempt 3
disable authen_policy
config admin local_enable
# DHCP_RELAY
enable dhcp_relay
config dhcp_relay hops 16 time 0
config dhcp_relay option_82 state enable
config dhcp_relay option_82 check enable
config dhcp_relay option_82 policy replace
config dhcp_relay option_82 remote_id default
config dhcp_relay add ipif System 10.11.0.2
# DHCP_LOCAL_RELAY
disable dhcp_local_relay
config dhcp_local_relay option_82 remote_id default
config dhcp_local_relay vlan vlanid 1 state enable
config dhcp_local_relay option_82 ports 1-28 policy keep
# NDP
# ROUTE
create iproute default 10.11.0.1 1
# RELAY6
config dhcpv6_relay hop_count 4
disable dhcpv6_relay
#-------------------------------------------------------------------
# End of configuration file for DES-1228/ME
#-------------------------------------------------------------------
Firmware Version: 2.50.B004
Hardware Version: B1