Хм у меня тоже странная ситуация незнаю с чем связана. Иногда пропадает поток мультикаста. Так то все работает.
Вот скрин что происходит на сетевом интерфейсе. Видно провал трафика. Но на клиентском свитче группа то не пропадает вкладка IGMP Snooping Group .
http://s006.radikal.ru/i215/1404/65/1ff0f7ad0a05.jpgСвязка DGS-3610 -DGS3627G-DES-3528
ISM vlan - 777.
DGS-3610 имеет 2 собственных сервера стримера и связку от 1 го ISP в виде pim+msdp+mbgp.
1. Клиентский свитч.
Код:
DES-3528:admin#show switch
Command: show switch
Device Type : DES-3528 Fast Ethernet Switch
MAC Address : 00-22-B0-B4-57-A0
IP Address : 172.16.20.15 (Manual)
VLAN Name : Manage_Access
Subnet Mask : 255.255.254.0
Default Gateway : 172.16.20.1
Boot PROM Version : Build 1.00.B007
Firmware Version : Build 3.10.B041
Hardware Version : A2
Serial Number : P1UM297000293
System Name :
System Location :
System Uptime : 6 days, 23 hours, 47 minutes, 9 seconds
System Contact :
Spanning Tree : Disabled
GVRP : Enabled
IGMP Snooping : Enabled
MLD Snooping : Disabled
VLAN Trunk : Disabled
Telnet : Enabled (TCP 23)
Web : Enabled (TCP 80)
SNMP : Enabled
SSL Status : Disabled
SSH Status : Enabled
802.1x : Disabled
Jumbo Frame : Off
CLI Paging : Enabled
MAC Notification : Disabled
Port Mirror : Disabled
SNTP : Enabled
HOL Prevention State : Enabled
Syslog Global State : Enabled
Single IP Management : Disabled
Dual Image : Supported
Password Encryption Status : Disabled
Настройки мультикаста на нем такие
Код:
create igmp_snooping multicast_vlan_group_profile TV
config igmp_snooping multicast_vlan_group_profile TV add 239.1.1.1-239.1.1.254
create igmp_snooping multicast_vlan_group_profile TV_STB
config igmp_snooping multicast_vlan_group_profile TV_STB add 239.195.0.1-239.195.255.255
enable igmp_snooping multicast_vlan
config igmp_snooping multicast_vlan forward_unmatched disable
create igmp_snooping multicast_vlan ISM 777
config igmp_snooping multicast_vlan ISM state enable replace_source_ip 0.0.0.0
config igmp_snooping multicast_vlan ISM add member_port 1-24
config igmp_snooping multicast_vlan ISM add source_port 25-28
config igmp_snooping multicast_vlan_group ISM add profile_name TV
config igmp_snooping multicast_vlan_group ISM add profile_name TV_STB
# MLD_MULTICAST_VLAN
config mld_snooping multicast_vlan forward_unmatched disable
# MULTICAST_FILTER
create mcast_filter_profile profile_id 1 profile_name TV_ALL
config mcast_filter_profile profile_id 1 add 239.1.1.1-239.1.1.254
config mcast_filter_profile profile_id 1 add 239.195.0.1-239.195.255.254
config limited_multicast_addr vlanid 1 add profile_id 1
config limited_multicast_addr vlanid 2 add profile_id 1
config limited_multicast_addr vlanid 4 add profile_id 1
config limited_multicast_addr vlanid 109 add profile_id 1
config limited_multicast_addr vlanid 409 add profile_id 1
config limited_multicast_addr vlanid 777 add profile_id 1
config limited_multicast_addr vlanid 800 add profile_id 1
config limited_multicast_addr vlanid 900 add profile_id 1
config limited_multicast_addr vlanid 910 add profile_id 1
config limited_multicast_addr vlanid 1-2 access deny
config limited_multicast_addr vlanid 4 access deny
config limited_multicast_addr vlanid 109 access deny
config limited_multicast_addr vlanid 409 access deny
config limited_multicast_addr vlanid 800 access deny
config limited_multicast_addr vlanid 900 access deny
config limited_multicast_addr vlanid 910 access deny
# MCFILTER
config multicast vlan_filtering_mode vlanid 1 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 2 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 4 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 109 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 409 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 777 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 800 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 900 filter_unregistered_groups
config multicast vlan_filtering_mode vlanid 910 filter_unregistered_groups
2. Промежуточный DGS-3627G
Boot PROM Version : Build 1.10-B09
Firmware Version : Build 3.00.B33
Конфиг мультикаста
Код:
# MCFILTER
config multicast filtering_mode default filter_unregistered_groups
config multicast filtering_mode ISM filter_unregistered_groups
# SNOOP
enable igmp_snooping
config igmp_snooping vlan default report_suppression disable
config igmp_snooping vlan default state disable fast_leave disable
config igmp_snooping querier vlan default query_interval 125 max_response_time 10 robustness_variable 2 last_member_query_interval 1 state disable version 3
config igmp_snooping vlan ISM report_suppression disable
config igmp_snooping vlan ISM state enable fast_leave disable
config igmp_snooping querier vlan ISM query_interval 125 max_response_time 10 robustness_variable 2 last_member_query_interval 1 state disable version 2
config limited_multicast_addr ports 1:1-1:25 state disable
config limited_multicast_addr ports 2:1-2:25 state disable
config limited_multicast_addr ports 3:1-3:25 state disable
config limited_multicast_addr ports 4:1-4:48 state disable
777 транзитом пролетают через DGS-3627 дальше на доступ. IGMP включен глобально и включен на мультикастовый влан 777.
DGS-3610
Мультикаст
Код:
ip multicast-routing
interface GigabitEthernet 0/1
no switchport
ip pim sparse-mode
ip pim bsr-border
no ip proxy-arp
no ip unreachables
no ip redirects
ip address X.X.X.X 255.255.255.252
description ISP-IPTV
interface VLAN 100
ip pim sparse-mode
no ip proxy-arp
no ip unreachables
no ip redirects
ip address X.X.X.X 255.255.255.0 в этом влане находятся сервера льющие мультикаст.
interface VLAN 777
ip pim sparse-mode
ip ospf disable all
no ip proxy-arp
no ip unreachables
no ip redirects
ip address 172.32.32.2 255.255.255.0
description FOR_ISM
ip igmp profile 1
permit
range 239.1.1.0 239.1.1.255
range 239.195.0.0 239.195.255.255
!
ip igmp snooping ivgl
ip igmp snooping querier
ip igmp snooping querier address 172.32.32.2
ip igmp snooping vlan 100 querier -влан где стримеры.
ip igmp snooping vlan 337 querier -пользовательский влан свитчи умеют только igmp snoop (нет ISM)
ip igmp snooping vlan 777 querier - ISM
ip igmp snooping vlan 800 querier - пользовательский влан свитчи умеют только igmp snoop (нет ISM)
ip igmp snooping vlan 337 filter 1
ip igmp snooping vlan 777 filter 1
ip igmp snooping vlan 800 filter 1
no ip igmp snooping vlan 1
no ip igmp snooping vlan 2
no ip igmp snooping vlan 4
no ip igmp snooping vlan 200
no ip igmp snooping vlan 300
no ip igmp snooping vlan 301
no ip igmp snooping vlan 302
no ip igmp snooping vlan 303
no ip igmp snooping vlan 304
no ip igmp snooping vlan 305
no ip igmp snooping vlan 306
no ip igmp snooping vlan 307
no ip igmp snooping vlan 308
no ip igmp snooping vlan 309
no ip igmp snooping vlan 310
etc
Выводы с 3610
Код:
sh ip igmp snooping
IGMP Snooping running mode: IVGL
Source port check: Disable
Source ip check: Disable
IGMP Fast-Leave: Disable
IGMP Report suppress: Disable
IGMP Globle Querier: Enable
IGMP Preview: Disable
IGMP Tunnel: Disable
IGMP Preview group aging time : 60(Seconds)
Dynamic Mroute Aging Time : 300(Seconds)
sh ip igmp snooping vlan 777
IGMP Snooping running mode: IVGL
Global IGMPv2 immediate leave :Disable
Global multicast router learning mode :Enable
Query Max Respone Time: 10 (Seconds)
Dynamic Mroute Aging Time : 300(Seconds)
vlan 777
-------------
IGMP Snooping state: Enable
Multicast router learning mode: pim-dvmrp
IGMP Fast-Leave: Disable
IGMP VLAN querier: Enable
IGMP VLAN filter: 1
sh ip igmp snooping vlan 100
IGMP Snooping running mode: IVGL
Global IGMPv2 immediate leave :Disable
Global multicast router learning mode :Enable
Query Max Respone Time: 10 (Seconds)
Dynamic Mroute Aging Time : 300(Seconds)
vlan 100
-------------
IGMP Snooping state: Enable
Multicast router learning mode: pim-dvmrp
IGMP Fast-Leave: Disable
IGMP VLAN querier: Enable
Vlan 337: IGMP switch querier status
--------------------------------------------------------
admin state : Enable
admin version : 2
source IP address : 172.32.32.2
query-interval (sec) : 60
max-response-time (sec) : 10
querier-timeout (sec) : 105
operational state : Disable
operational version : 2
Vlan 777: IGMP switch querier status
--------------------------------------------------------
admin state : Enable
admin version : 2
source IP address : 172.32.32.2
query-interval (sec) : 60
max-response-time (sec) : 10
querier-timeout (sec) : 105
operational state : Disable
operational version : 2
sh ip pim sparse-mode interface
Address Interface VIFindex Ver/Mode Nbr-Count DR-Prior DR
X.X.X.X GigabitEthernet 0/1 4 v2/S 1 1 X.X.X.X
172.X.X.X VLAN 100 1 v2/S 0 1 172.X.X.X
172.X.X.1 VLAN 337 5 v2/S 0 1 172.X.X.1
172.32.32.2 VLAN 777 2 v2/S 0 1 172.32.32.2
172.X.X.1 VLAN 800 3 v2/S 0 1 172.X.X.1
sh ip pim sparse-mode nexthop
Flags: N = New, R = RP, S = Source, U = Unreachable
Destination Type Nexthop Nexthop Nexthop Metric Pref Refcnt
Num Addr Name
____________________________________________________________________________________________
X.X.X.X .R.. 1 0.0.0.0 GigabitEthernet 0/1 0 0 80
X.X.X.X ..S. 1 X.X.X.X GigabitEthernet 0/1 310 20 158
172.X.X.1 ..S. 1 0.0.0.0 VLAN 100 0 0 54
172.X.X.2 ..S. 1 0.0.0.0 VLAN 100 0 0 40
show ip igmp snooping statistics
Current number of Gda-table entries: 12
Configured Statistics database limit: 1024
Current number of IGMP Query packet received : 51319
Current number of IGMPv1/v2 Report packet received: 4283836
Current number of IGMPv3 Report packet received: 45741
Current number of Leave packet received: 108541
Current number of PIM packet received: 27917
Current number of DVMRP packet received: 0
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