89-MSR系列路由器组播源和接收者地址重叠作PIM DM功能的配置举例
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MSR系列路由器组播源和接收者地址重叠作PIM DM功能的配置举例
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目 录
本文档介绍组播源和接收者地址重叠作PIM DM功能的配置案例。
本文档不严格与具体软、硬件版本对应,如果使用过程中与产品实际情况有差异,请参考相关产品手册,或以设备实际情况为准。
本文档中的配置均是在实验室环境下进行的配置和验证,配置前设备的所有参数均采用出厂时的缺省配置。如果您已经对设备进行了配置,为了保证配置效果,请确认现有配置和以下举例中的配置不冲突。
本文档假设您已了解PIM DM特性。
如图1所示,2台路由器各自连接组播源,组播源同时作为组播接收者,而且地址相互重叠,要求组播互通。
图1 组播源和接收者地址重叠作PIM DM功能配置组网图
· 为了对重叠地址进行转换配置NAT。
· 在接口使能PIM DM并在连接组播接收者接口使能IGMP。
本举例是在Release 2317版本上进行配置和验证的。
· 要配置NAT转换后的路由,如果没有路由,路由器RPF检查会把组播包丢弃;
· 要做NAT地址多对多方式转换,如果使用端口转换方式,基于UDP的组播会失败。
<RouterA> system-view
# 配置NAT地址池,对重叠地址进行转换
[RouterA] nat address-group 0 1.0.0.1 1.0.0.254
# 全局开启组播
[RouterA] multicast routing-enable
# 配置ACL2000,匹配重叠地址段
[RouterA] acl number 2000
[RouterA-acl-basic-2000] rule 0 permit source 10.0.0.0 0.0.0.255
[RouterA-acl-basic-2000] quit
[RouterA] interface ethernet 0/0
[RouterA-Ethernet0/0] port link-mode route
# 使能多对多的NAT,保证端口不被转换
[RouterA-Ethernet0/0] nat outbound 2000 address-group 0 no-pat
[RouterA-Ethernet0/0] ip address 1.2.0.1 24
[RouterA-Ethernet0/0] pim dm
[RouterA-Ethernet0/0] quit
[RouterA] interface ethernet 0/1
[RouterA-Ethernet0/1] port link-mode route
[RouterA-Ethernet0/1] ip address 10.0.0.1 24
[RouterA-Ethernet0/1] igmp enable
[RouterA-Ethernet0/1] pim dm
[RouterA-Ethernet0/1] quit
# 配置对端NAT转换后的路由
[RouterA] ip route-static 2.0.0.0 255.255.255.0 1.2.0.2
<RouterB> system-view
# 配置NAT地址池,对重叠地址进行转换
[RouterB] nat address-group 0 2.0.0.1 2.0.0.254
[RouterB] multicast routing-enable
# 创建一条ACL,匹配重叠地址段
[RouterB] acl number 2000
[RouterB-acl-basic-2000] rule 0 permit source 10.0.0.0 0.0.0.255
[RouterB-acl-basic-2000] quit
[RouterB] interface ethernet 0/0
[RouterB-Ethernet0/0] port link-mode route
# 使能多对多的NAT,保证端口不被转换
[RouterB-Ethernet0/0] nat outbound 2000 address-group 0 no-pat
[RouterB-Ethernet0/0] ip address 1.2.0.2 24
[RouterB-Ethernet0/0] pim dm
[RouterB-Ethernet0/0] quit
[RouterB] interface ethernet 0/1
[RouterB-Ethernet0/1] port link-mode route
[RouterB-Ethernet0/1] ip address 10.0.0.1 24
[RouterB-Ethernet0/1] igmp enable
[RouterB-Ethernet0/1] pim dm
[RouterB-Ethernet0/1] quit
# 配置对端NAT转换后的路由
[RouterB] ip route-static 1.0.0.0 255.255.255.0 1.2.0.1
# 查看Router A接口上PIM的配置和运行情况
<RouterA>display pim interface
VPN-Instance: public net
Interface NbrCnt HelloInt DR-Pri DR-Address
Eth0/0 1 30 1 1.2.0.2
Eth0/1 0 30 1 10.0.0.1 (local)
# 查看Router A上的PIM路由表信息
<RouterA>display pim routing-table
VPN-Instance: public net
Total 1 (*, G) entry; 3 (S, G) entries
(2.0.0.1, 225.0.0.1)
Protocol: pim-dm, Flag: ACT
UpTime: 00:00:42
Upstream interface: Ethernet0/0
Upstream neighbor: 1.2.0.2
RPF prime neighbor: 1.2.0.2
Downstream interface(s) information: None
(10.0.0.2, 235.0.0.1)
Protocol: pim-dm, Flag: LOC ACT
UpTime: 00:01:34
Upstream interface: Ethernet0/1
Upstream neighbor: NULL
RPF prime neighbor: NULL
Downstream interface(s) information:
Total number of downstreams: 1
1: Ethernet0/0
Protocol: pim-dm, UpTime: 00:01:34, Expires: never
# 查看Router B接口上PIM的配置和运行情况
<RouterB>display pim interface
VPN-Instance: public net
Interface NbrCnt HelloInt DR-Pri DR-Address
Eth0/0 1 30 1 1.2.0.2 (local)
Eth0/1 0 30 1 10.0.0.1 (local)
# 查看Router B上的PIM路由表信息
<RouterB>display pim routing-table
VPN-Instance: public net
Total 1 (*, G) entry; 2 (S, G) entries
(10.0.0.2, 225.0.0.1)
Protocol: pim-dm, Flag: LOC ACT
UpTime: 00:03:30
Upstream interface: Ethernet0/1
Upstream neighbor: NULL
RPF prime neighbor: NULL
Downstream interface(s) information:
Total number of downstreams: 1
1: Ethernet0/0
Protocol: pim-dm, UpTime: 00:03:30, Expires: never
(1.0.0.1, 235.0.0.1)
Protocol: pim-dm, Flag: ACT
UpTime: 00:04:21
Upstream interface: Ethernet0/0
Upstream neighbor: 1.2.0.1
RPF prime neighbor: 1.2.0.1
Downstream interface(s) information: None
· Router A :
#
nat address-group 0 1.0.0.1 1.0.0.254
#
multicast routing-enable
#
acl number 2000
rule 0 permit source 10.0.0.0 0.0.0.255
#
interface Ethernet0/0
port link-mode route
nat outbound 2000 address-group 0 no-pat
ip address 1.2.0.1 255.255.255.0
pim dm
#
interface Ethernet0/1
port link-mode route
ip address 10.0.0.1 255.255.255.0
igmp enable
pim dm
#
ip route-static 2.0.0.0 255.255.255.0 1.2.0.2
· Router B :
#
nat address-group 0 2.0.0.1 2.0.0.254
#
acl number 2000
rule 0 permit source 10.0.0.0 0.0.0.255
#
interface Ethernet0/0
port link-mode route
nat outbound 2000 address-group 0 no-pat
ip address 1.2.0.2 255.255.255.0
pim dm
#
interface Ethernet0/1
port link-mode route
ip address 10.0.0.1 255.255.255.0
gmp enable
im dm
#
interface NULL0
#
ip route-static 1.0.0.0 255.255.255.0 1.2.0.1
· H3C MSR 系列路由器 命令参考(V5)-R2311
· H3C MSR 系列路由器 配置指导(V5)-R2311
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