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配置本地策略路由示例
组网需求
如图12-10所示，RouterA与RouterB间有两条链路相连。
用户希望实现本机下发的不同长度的报文通过不同的下一跳地址进行转发，其中：
长度为64～1400字节的报文设置192.168.1.2作为下一跳地址。
长度为1401～1500字节的报文设置192.168.2.2作为下一跳地址。
所有其它长度的报文都按基于目的地址的方法进行路由选路。
操作步骤
配置各接口的IP地址
# 配置RouterA的各接口的IP地址。
<Huawei> system-view[Huawei] sysname RouterA[RouterA] interface gigabitethernet 1/0/0[RouterA-GigabitEthernet1/0/0] ip address 192.168.1.1 255.255.255.0[RouterA-GigabitEthernet1/0/0] quit[RouterA] interface gigabitethernet 2/0/0[RouterA-GigabitEthernet2/0/0] ip address 192.168.2.1 255.255.255.0[RouterA-GigabitEthernet2/0/0] quit[RouterA] interface loopback 0[RouterA-LoopBack0] ip address 10.1.1.1 255.255.255.0[RouterA-LoopBack0] quit
# 配置RouterB的各接口的IP地址。
<Huawei> system-view[Huawei] sysname RouterB[RouterB] interface gigabitethernet 1/0/0[RouterB-GigabitEthernet1/0/0] ip address 192.168.1.2 255.255.255.0[RouterB-GigabitEthernet1/0/0] quit[RouterB] interface gigabitethernet 2/0/0[RouterB-GigabitEthernet2/0/0] ip address 192.168.2.2 255.255.255.0[RouterB-GigabitEthernet2/0/0] quit[RouterB] interface loopback 0[RouterB-LoopBack0] ip address 10.1.2.1 255.255.255.0[RouterB-LoopBack0] quit
配置静态路由
# 在RouterA上配置静态路由。
[RouterA] ip route-static 10.1.2.0 24 192.168.1.2[RouterA] ip route-static 10.1.2.0 24 192.168.2.2
# 在RouterB上配置静态路由。
[RouterB] ip route-static 10.1.1.0 24 192.168.1.1[RouterB] ip route-static 10.1.1.0 24 192.168.2.1
配置策略路由
# 配置名称为lab1的策略路由。
[RouterA] policy-based-route lab1 permit node 10[RouterA-policy-based-route-lab1-10] if-match packet-length 64 1400[RouterA-policy-based-route-lab1-10] apply ip-address next-hop 192.168.1.2[RouterA-policy-based-route-lab1-10] quit[RouterA] policy-based-route lab1 permit node 20[RouterA-policy-based-route-lab1-20] if-match packet-length 1401 1500[RouterA-policy-based-route-lab1-20] apply ip-address next-hop 192.168.2.2[RouterA-policy-based-route-lab1-20] quit
# 使能本地策略路由。
[RouterA] ip local policy-based-route lab1
验证配置结果
# 清空RouterB接口统计信息。
<RouterB> reset counters interface gigabitethernet 1/0/0
<RouterB> reset counters interface gigabitethernet 2/0/0
# 查看RouterB接口统计信息。
<RouterB> display interface gigabitethernet 1/0/0 GigabitEthernet1/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:24 Description:HUAWEI, AR Series, GigabitEthernet1/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4c Last physical up time : 2012-07-30 11:23:24 Last physical down time : 2012-07-24 16:54:19 Current system time: 2012-07-30 14:57:28 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : - Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 12:57:02 Output peak rate 0 bits/sec,Record time: 2012-07-30 12:42:42 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
<RouterB> display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:29 Description:HUAWEI, AR Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.2.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4d Last physical up time : 2012-07-30 11:23:29 Last physical down time : 2012-07-30 11:09:17 Current system time: 2012-07-30 14:58:24 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : SLAVE Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Output peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
# 在RouterA上Ping RouterB的Loopback0，并将报文数据字段长度设为80字节。
<RouterA> ping -s 80 10.1.2.1
PING 10.1.2.1: 80 data bytes, press CTRL_C to break Reply from 10.1.2.1: bytes=80 Sequence=1 ttl=255 time=2 ms Reply from 10.1.2.1: bytes=80 Sequence=2 ttl=255 time=2 ms Reply from 10.1.2.1: bytes=80 Sequence=3 ttl=255 time=2 ms Reply from 10.1.2.1: bytes=80 Sequence=4 ttl=255 time=2 ms Reply from 10.1.2.1: bytes=80 Sequence=5 ttl=255 time=2 ms --- 10.1.2.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/2 ms
# 查看RouterB接口统计信息。
<RouterB> display interface gigabitethernet 1/0/0 GigabitEthernet1/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:24 Description:HUAWEI, AR Series, GigabitEthernet1/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4c Last physical up time : 2012-07-30 11:23:24 Last physical down time : 2012-07-24 16:54:19 Current system time: 2012-07-30 15:00:15 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : - Last 300 seconds input rate 24 bits/sec, 0 packets/sec Last 300 seconds output rate 24 bits/sec, 0 packets/sec Input peak rate 504 bits/sec,Record time: 2012-07-30 12:57:02 Output peak rate 504 bits/sec,Record time: 2012-07-30 12:42:42 Input: 5 packets, 400 bytes Unicast: 5, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 5 packets, 400 bytes Unicast: 5, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
<RouterB> display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:29 Description:HUAWEI, AR Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.2.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4d Last physical up time : 2012-07-30 11:23:29 Last physical down time : 2012-07-30 11:09:17 Current system time: 2012-07-30 15:01:02 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : SLAVE Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Output peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
比较执行命令ping -s 80 10.1.2.1前后RouterB接口统计信息，只有RouterB接口GigabitEthernet 1/0/0发送报文总数量增加了5，即RouterB接口GigabitEthernet 1/0/0在接收到ICMP请求报文后给RouterA发送5个ICMP应答报文，所以RouterA根据策略路由确定的下一跳为192.168.1.2。
# 清空RouterB接口统计信息。
<RouterB> reset counters interface gigabitethernet 1/0/0
<RouterB> reset counters interface gigabitethernet 2/0/0
# 查看RouterB接口统计信息。
<RouterB> display interface gigabitethernet 1/0/0 GigabitEthernet1/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:24 Description:HUAWEI, AR Series, GigabitEthernet1/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4c Last physical up time : 2012-07-30 11:23:24 Last physical down time : 2012-07-24 16:54:19 Current system time: 2012-07-30 16:04:14 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : - Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 12:57:02 Output peak rate 0 bits/sec,Record time: 2012-07-30 12:42:42 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
<RouterB> display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:29 Description:HUAWEI, AR Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.2.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4d Last physical up time : 2012-07-30 11:23:29 Last physical down time : 2012-07-30 11:09:17 Current system time: 2012-07-30 16:04:19 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : SLAVE Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Output peak rate 0 bits/sec,Record time: 2012-07-30 13:46:52 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
# 在RouterA上Ping RouterB的Loopback0，并将报文数据字段长度设为1401字节。
<RouterA> ping -s 1401 10.1.2.1
PING 10.1.2.1: 1401 data bytes, press CTRL_C to break Reply from 10.1.2.1: bytes=1401 Sequence=1 ttl=255 time=1 ms Reply from 10.1.2.1: bytes=1401 Sequence=2 ttl=255 time=1 ms Reply from 10.1.2.1: bytes=1401 Sequence=3 ttl=255 time=1 ms Reply from 10.1.2.1: bytes=1401 Sequence=4 ttl=255 time=1 ms Reply from 10.1.2.1: bytes=1401 Sequence=5 ttl=255 time=2 ms --- 10.1.2.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 1/1/2 ms
# 查看RouterB接口统计信息。
<RouterB> display interface gigabitethernet 1/0/0 GigabitEthernet1/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:24 Description:HUAWEI, AR Series, GigabitEthernet1/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.1.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4c Last physical up time : 2012-07-30 11:23:24 Last physical down time : 2012-07-24 16:54:19 Current system time: 2012-07-30 16:04:50 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : - Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Input peak rate 0 bits/sec,Record time: 2012-07-30 12:57:02 Output peak rate 0 bits/sec,Record time: 2012-07-30 12:42:42 Input: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 0 packets, 0 bytes Unicast: 0, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
<RouterB> display interface gigabitethernet 2/0/0GigabitEthernet2/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-07-30 11:23:29 Description:HUAWEI, AR Series, GigabitEthernet2/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 192.168.2.2/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 00e0-fcce-7d4d Last physical up time : 2012-07-30 11:23:29 Last physical down time : 2012-07-30 11:09:17 Current system time: 2012-07-30 16:04:55 Port Mode: COMMON COPPER Speed : 1000, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Clock : SLAVE Last 300 seconds input rate 448 bits/sec, 0 packets/sec Last 300 seconds output rate 448 bits/sec, 0 packets/sec Input peak rate 6056 bits/sec,Record time: 2012-07-30 13:46:52 Output peak rate 6056 bits/sec,Record time: 2012-07-30 13:46:52 Input: 5 packets, 7005 bytes Unicast: 5, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 Runts: 0, Symbols: 0 Ignoreds: 0, Frames: 0 Output: 5 packets, 7005 bytes Unicast: 5, Multicast: 0 Broadcast: 0, Jumbo: 0 Discard: 0, Total Error: 0 Collisions: 0, ExcessiveCollisions: 0 Late Collisions: 0, Deferreds: 0 Input bandwidth utilization threshold : 100.00% Output bandwidth utilization threshold: 100.00% Input bandwidth utilization : 0.01% Output bandwidth utilization : 0.01%
比较执行命令ping -s 1401 10.1.2.1前后RouterB接口统计信息，只有RouterB接口GigabitEthernet 2/0/0发送报文总数量增加了5，即RouterB接口GigabitEthernet 2/0/0在接收到ICMP请求报文后给RouterA发送5个ICMP应答报文，所以RouterA根据策略路由确定的下一跳为192.168.2.2。
配置文件
RouterA的配置文件。
# sysname RouterA # interface GigabitEthernet1/0/0 ip address 192.168.1.1 255.255.255.0 # interface GigabitEthernet2/0/0 ip address 192.168.2.1 255.255.255.0 # interface LoopBack0 ip address 10.1.1.1 255.255.255.0 # ip route-static 10.1.2.0 255.255.255.0 192.168.1.2 ip route-static 10.1.2.0 255.255.255.0 192.168.2.2 # policy-based-route lab1 permit node 10 if-match packet-length 64 1400 apply ip-address next-hop 192.168.1.2 policy-based-route lab1 permit node 20 if-match packet-length 1401 1500 apply ip-address next-hop 192.168.2.2 # ip local policy-based-route lab1
RouterB的配置文件。
# sysname RouterB # interface GigabitEthernet1/0/0 ip address 192.168.1.2 255.255.255.0 # interface GigabitEthernet2/0/0 ip address 192.168.2.2 255.255.255.0 # interface LoopBack0 ip address 10.1.2.1 255.255.255.0 # ip route-static 10.1.1.0 255.255.255.0 192.168.1.1 ip route-static 10.1.1.0 255.255.255.0 192.168.2.1
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