From e1073ebd89a09195834c10ddd645ac1f58d7ebac Mon Sep 17 00:00:00 2001 From: Noriu Date: Wed, 28 Aug 2024 16:41:56 +0800 Subject: [PATCH] =?UTF-8?q?2024=E5=B9=B48=E6=9C=8828=E6=97=A5=2016:41:57?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- B. 第二阶段/拓扑练习/0828_BFD和VRRP.md | 202 +++++++++++++++++++++ B. 第二阶段/拓扑练习/0828_BFD和静态路由.md | 45 ++++- 2 files changed, 246 insertions(+), 1 deletion(-) create mode 100644 B. 第二阶段/拓扑练习/0828_BFD和VRRP.md diff --git a/B. 第二阶段/拓扑练习/0828_BFD和VRRP.md b/B. 第二阶段/拓扑练习/0828_BFD和VRRP.md new file mode 100644 index 0000000..4b0fc1a --- /dev/null +++ b/B. 第二阶段/拓扑练习/0828_BFD和VRRP.md @@ -0,0 +1,202 @@ +# BFD和VRRP + +![image-20240828162230655](https://picgo-noriu.oss-cn-beijing.aliyuncs.com/Images/image-20240828162230655.png) + +### 一、PC`s IP + +### 二、VLAN + +- **SW3** + + ``` + [SW3]vlan 10 + [SW3-vlan10]quit + [SW3]port-group group-member g0/0/1 g0/0/2 + [SW3-port-group]port link-type access + [SW3-port-group]port default vlan 10 + [SW3-port-group]quit + [SW3]port-group group-member g0/0/3 g0/0/4 + [SW3-port-group]port link-type trunk + [SW3-port-group]port trunk allow-pass vlan all + ``` + +### 三、VRRP + +- **SW1** + + ``` + [SW1]vlan 10 + [SW1-vlan10]quit + [SW1]int g0/0/1 + [SW1-GigabitEthernet0/0/1]port link-type trunk + [SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all + [SW1-GigabitEthernet0/0/1]quit + [SW1]int vlan 10 + [SW1-Vlanif10]ip add 192.168.10.254 24 + [SW1-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254 + [SW1-Vlanif10]vrrp vrid 10 priority 130 + ``` + +- **SW2** + + ``` + [SW2]vlan 10 + [SW2-vlan10]quit + [SW2]int g0/0/1 + [SW2-GigabitEthernet0/0/1]port link-type trunk + [SW2-GigabitEthernet0/0/1]port trunk allow-pass vlan all + [SW2-GigabitEthernet0/0/1]quit + [SW2]int vlan 10 + [SW2-Vlanif10]ip add 192.168.10.252 24 + [SW2-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254 + ``` + +### 四、BFD + +- **SW1** + + ``` + [SW1]bfd + [SW1-bfd]quit + [SW1]bfd ntd2407 bind peer-ip 192.168.10.252 + [SW1-bfd-session-ntd2407]discriminator local 1 + [SW1-bfd-session-ntd2407]discriminator remote 2 + [SW1-bfd-session-ntd2407]min-tx-interval 100 + [SW1-bfd-session-ntd2407]min-rx-interval 100 + [SW1-bfd-session-ntd2407]commit + ``` + +- **SW2** + + ``` + [SW2]bfd + [SW2-bfd]quit + [SW2]bfd ntd2407 bind peer-ip 192.168.10.251 + [SW2-bfd-session-ntd2407]discriminator local 2 + [SW2-bfd-session-ntd2407]discriminator remote 1 + [SW2-bfd-session-ntd2407]min-tx-interval 100 + [SW2-bfd-session-ntd2407]min-rx-interval 100 + [SW2-bfd-session-ntd2407]commit + ``` + +### 五、BFD与VRRP联动 + +- **SW2** + + ``` + [SW2]int vlan 10 + [SW2-Vlanif10]vrrp vrid 10 track bfd-session 2 increased 60 + ``` + + *解释：* + + 1. `[SW2]int vlan 10` + - 进入交换机的VLAN接口配置模式，针对VLAN 10。 + 2. `[SW2-Vlanif10]vrrp vrid 10 track bfd-session 2 increased 60` + - 在VLAN接口10上配置VRRP虚拟路由器ID为10，并设置对BFD会话2的跟踪。 + - `track bfd-session 2`：指定跟踪的BFD会话，这里的会话ID是2。 + - `increased 60`：当BFD会话2的状态变为Down时，VRRP的优先级将增加60。这通常用于确保当主链路出现问题时，备份链路能够接管，提高其VRRP优先级，从而成为新的主路由器。 + + > 这个配置的作用是，当BFD会话2检测到链路故障时，VRRP的优先级会增加，这有助于VRRP组中的备用路由器成为新的主路由器，从而保证网络的连续性和可靠性。 + > + > 请注意，这个配置假设BFD会话2已经正确配置，并且与VRRP虚拟路由器关联的接口是VLAN 10。如果BFD会话状态变为Down，VRRP优先级的增加将触发VRRP主备切换。 + +### 六、完备性测试 + +- **SW1** + + ``` + [SW1]dis vrrp + Vlanif10 | Virtual Router 10 + State : Master + Virtual IP : 192.168.10.254 + Master IP : 192.168.10.254 + PriorityRun : 255 + PriorityConfig : 130 + MasterPriority : 255 + Preempt : YES Delay Time : 0 s + TimerRun : 1 s + TimerConfig : 1 s + Auth type : NONE + Virtual MAC : 0000-5e00-010a + Check TTL : YES + Config type : normal-vrrp + Create time : 2024-08-28 15:57:41 UTC-08:00 + Last change time : 2024-08-28 16:13:44 UTC-08:00 + ``` + +- **SW2** + + ``` + [SW2]dis vrrp + Vlanif10 | Virtual Router 10 + State : Backup + Virtual IP : 192.168.10.254 + Master IP : 192.168.10.254 + PriorityRun : 100 + PriorityConfig : 100 + MasterPriority : 255 + Preempt : YES Delay Time : 0 s + TimerRun : 1 s + TimerConfig : 1 s + Auth type : NONE + Virtual MAC : 0000-5e00-010a + Check TTL : YES + Config type : normal-vrrp + Track BFD : 2 Priority increased : 60 + BFD-session state : INITIALIZE + Create time : 2024-08-28 15:55:20 UTC-08:00 + Last change time : 2024-08-28 16:28:55 UTC-08:00 + ``` + +### 七、功能性测试 + +![image-20240828163927888](https://picgo-noriu.oss-cn-beijing.aliyuncs.com/Images/image-20240828163927888.png) + +- **SW1** + + ``` + [SW1]dis vrrp + Vlanif10 | Virtual Router 10 + State : Initialize + Virtual IP : 192.168.10.254 + Master IP : 0.0.0.0 + PriorityRun : 255 + PriorityConfig : 130 + MasterPriority : 0 + Preempt : YES Delay Time : 0 s + TimerRun : 1 s + TimerConfig : 1 s + Auth type : NONE + Virtual MAC : 0000-5e00-010a + Check TTL : YES + Config type : normal-vrrp + Create time : 2024-08-28 15:57:41 UTC-08:00 + Last change time : 2024-08-28 16:39:16 UTC-08:00 + ``` + +- **SW2** + + ``` + [SW2]dis vrrp + Vlanif10 | Virtual Router 10 + State : Master + Virtual IP : 192.168.10.254 + Master IP : 192.168.10.252 + PriorityRun : 100 + PriorityConfig : 100 + MasterPriority : 100 + Preempt : YES Delay Time : 0 s + TimerRun : 1 s + TimerConfig : 1 s + Auth type : NONE + Virtual MAC : 0000-5e00-010a + Check TTL : YES + Config type : normal-vrrp + Track BFD : 2 Priority increased : 60 + BFD-session state : INITIALIZE + Create time : 2024-08-28 15:55:20 UTC-08:00 + Last change time : 2024-08-28 16:39:17 UTC-08:00 + ``` + + \ No newline at end of file diff --git a/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md b/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md index cddaa19..0dfa9d6 100644 --- a/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md +++ b/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md @@ -14,6 +14,7 @@ [AR1-GigabitEthernet0/0/0]int g0/0/1 [AR1-GigabitEthernet0/0/1]ip add 192.168.13.1 24 [AR1-GigabitEthernet0/0/1]quit + [AR1]ip route-static 192.168.2.0 24 192.168.12.2 [AR1]ip route-static 192.168.2.0 24 192.168.13.2 preference 100 ``` @@ -26,6 +27,7 @@ [AR2-GigabitEthernet0/0/0]int g0/0/1 [AR2-GigabitEthernet0/0/1]ip add 192.168.24.2 24 [AR2-GigabitEthernet0/0/1]quit + [AR2]ip route-static 192.168.1.0 24 192.168.12.1 [AR2]ip route-static 192.168.2.0 24 192.168.24.4 ``` @@ -38,6 +40,7 @@ [AR3-GigabitEthernet0/0/0]int g0/0/1 [AR3-GigabitEthernet0/0/1]ip add 192.168.34.3 24 [AR3-GigabitEthernet0/0/1]quit + [AR3]ip route-static 192.168.1.0 24 192.168.13.1 [AR3]ip route-static 192.168.2.0 24 192.168.34.4 ``` @@ -52,6 +55,7 @@ [AR4-GigabitEthernet0/0/1]int g0/0/2 [AR4-GigabitEthernet0/0/2]ip add 192.168.2.254 24 [AR4-GigabitEthernet0/0/2]quit + [AR4]ip route-static 192.168.1.0 24 192.168.24.2 [AR4]ip route-static 192.168.1.0 24 192.168.34.3 preference 100 ``` @@ -63,6 +67,7 @@ ``` [AR1]ip route-static 192.168.24.0 24 192.168.12.2 [AR1]ip route-static 192.168.34.0 24 192.168.13.3 + [AR1]bfd [AR1-bfd]quit [AR1]bfd ntd2407 bind peer-ip 192.168.24.4 @@ -71,6 +76,9 @@ [AR1-bfd-session-ntd2407]min-tx-interval 10 [AR1-bfd-session-ntd2407]min-rx-interval 10 [AR1-bfd-session-ntd2407]commit + [AR1-bfd-session-ntd2407]quit + + [AR1]ip route-static 192.168.2.0 24 192.168.12.2 track bfd ntd2407 ``` - *注解：* @@ -82,12 +90,14 @@ 6. `[AR1-bfd-session-ntd2407]min-tx-interval 10`：设置BFD会话的最小发送间隔为`10`毫秒 7. `[AR1-bfd-session-ntd2407]min-rx-interval 10`：设置BFD会话的最小接收间隔为`10`毫秒 8. `[AR1-bfd-session-ntd2407]commit`：提交BFD会话的配置，使其生效 + 9. `ip route-static 192.168.2.0 24 192.168.12.2 track bfd ntd2407`：BFD与静态路由联动 - **AR4** ``` [AR4]ip route-static 192.168.12.0 24 192.168.24.2 [AR4]ip route-static 192.168.13.0 24 192.168.34.3 + [AR4]bfd [AR4-bfd]quit [AR4]bfd ntd2407 bind peer-ip 192.168.12.1 @@ -106,4 +116,37 @@ 5. `[AR1-bfd-session-ntd2407]discriminator remote 1`：设置对端设备BFD会话的鉴别器值为`1` 6. `[AR1-bfd-session-ntd2407]min-tx-interval 10`：设置BFD会话的最小发送间隔为`10`毫秒 7. `[AR1-bfd-session-ntd2407]min-rx-interval 10`：设置BFD会话的最小接收间隔为`10`毫秒 - 8. `[AR1-bfd-session-ntd2407]commit`：提交BFD会话的配置，使其生效 \ No newline at end of file + 8. `[AR1-bfd-session-ntd2407]commit`：提交BFD会话的配置，使其生效 + +### 三、功能性测试 + +- **断连测试** + + ![image-20240828153740948](https://picgo-noriu.oss-cn-beijing.aliyuncs.com/Images/image-20240828153740948.png) + + - 查看BFD信息 + + ``` + [AR1]dis bfd session all + -------------------------------------------------------------------------------- + Local Remote PeerIpAddr State Type InterfaceName + -------------------------------------------------------------------------------- + + 1 4 192.168.24.4 Down S_IP_PEER - + -------------------------------------------------------------------------------- + Total UP/DOWN Session Number : 0/1 + ``` + + - PING + + ``` + + ``` + + - Tracert + + ``` + + ``` + + \ No newline at end of file