Mô hình Trong bài lab này, chỉ cần thực hiện cho R6 và R7. Các routers khác không cần quan tâm. Các tác vụ yêu cầu như sau: Xin được giữ nguyên bản tiếng Anh (source IPExpert) 1) Enable HSRP support on R6 and R7. A virtual IP address of 150.50.7.10 should be used. The virtual mac-address should be 0001.0023.0456. 2) Ensure that R6 is the active HSRP router, If R6 fails, part of HSRP, R7 should take over as the active HSRP router. When R6 comes back and is available to be the active router again, it should take this responsibility over from R7 after 60 seconds. 3) R6 and R7 should exchange hello packets every 20 seconds and they should wait for 60 seconds before declaring a router down. 4) If the serial interface on R6 goes down, R7 should become the active router. Don't change the router priority on R7. 5) Configure R6 and R7 to use authentication string of packattack for HSRP authentication. 6) Configure HSRP support on the Ethernet interface of R5, R6, and R7 with a virtual IP address of 150.50.64.10. R5, R6, and R7 can use IP addresses on their Ethernet interfaces of 150.50.64. with a mask of /24, but this should not replace the current IP addressing on the 150.50.7.0/25 network. The existing HSRP group that was configured in steps 1-5 should be maintained. Do not use VLANs. 7) Ensure that R6 will only be the active router if both R5 and R7 fail. R5 should be the active router in normal network operations. 8) If R5 were to fail and R7 became the active router, when R5 came back up it should immediately become the active router again. Sơ đồ địa chỉ của các routers như sau: Router 6 Ethernet 1/0 150.50.7.6 /25 Router 7: Ethernet 1/0 150.50.7.7 /25 Khi dùng HSRP, có thể có nhiều nhóm trên cùng một interface. Hãy dùng lệnh show standby để xem các thông số của protocol HSRP. Độ ưu tiên mặc định của HSRP là 100. Router có độ ưu tiên cao hơn sẽ chiếm vai trò active. Config listing: Router 6: hostname r6 ip tcp synwait-time 5 no ip domain-lookup interface Ethernet1/0 ip address 150.50.64.6 255.255.255.0 secondary ip address 150.50.7.6 255.255.255.128 no ip redirects standby 1 timers 20 60 standby 1 priority 255 preempt delay 60 standby 1 authentication packatta standby 1 mac-address 0001.0023.0456 standby 1 ip 150.50.7.10 standby 1 track Se1/0 156 standby 2 ip 150.50.64.10 ! interface Serial1/0 ip address 150.50.100.6 255.255.255.224 encapsulation frame-relay frame-relay lmi-type cisco Router 5: hostname r5 interface Ethernet0 ip address 150.50.64.5 255.255.255.0 secondary ip address 150.50.7.5 255.255.255.128 no ip redirects standby 2 priority 255 preempt standby 2 ip 150.50.64.10 ! interface Serial0 ip address 150.50.100.5 255.255.255.224 encapsulation frame-relay Router 7: hostname r7 ip tcp synwait-time 5 no ip domain-lookup interface Loopback0 ip address 200.0.0.7 255.255.255.255 ! interface Ethernet1/0 ip address 150.50.64.7 255.255.255.0 secondary ip address 150.50.7.7 255.255.255.128 no ip redirects standby 1 timers 20 60 standby 1 priority 100 preempt standby 1 authentication packatta standby 1 mac-address 0001.0023.0456 standby 1 ip 150.50.7.10 standby 2 ip 150.50.64.10 ! interface Serial1/0 ip address 150.50.5.68 255.255.255.224 no fair-queue . 0001.0023.0456. 2) Ensure that R6 is the active HSRP router, If R6 fails, part of HSRP, R7 should take over as the active HSRP router. When R6 comes back and is available to be the active router again,. hình Trong bài lab này, chỉ cần thực hiện cho R6 và R7. Các routers khác không cần quan tâm. Các tác vụ yêu cầu như sau: Xin được giữ nguyên bản tiếng Anh (source IPExpert) 1) Enable HSRP support. 150.50.7.7 /25 Khi dùng HSRP, có thể có nhiều nhóm trên cùng một interface. Hãy dùng lệnh show standby để xem các thông số của protocol HSRP. Độ ưu tiên mặc định của HSRP là 100. Router có