有关VRRP+track进行链路检查问题

RTA的GE0/1和RTB的GE0/1口是内网口，在vpn-instance 1中，做VRRP，RTA为VRRP的主。RTC是公网设备，RTA的GE0/0和RTB的GE0/0是公网口。

RTA配置

#

 version 7.1.075, R0615P20

#

 sysname RTA

#

ip vpn-instance 1

#

track 1 nqa entry admin test reaction 1

#

nqa entry admin test

 type icmp-echo

  destination ip 2.1.1.2

  frequency 100

  reaction 1 checked-element probe-fail threshold-type consecutive 5 action-type trigger-only

#

 nqa schedule admin test start-time now lifetime forever

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 2.1.1.1 255.255.255.0

#

interface GigabitEthernet0/1

 port link-mode route

 combo enable copper

 ip binding vpn-instance 1

 ip address 1.1.1.1 255.255.255.0

 vrrp vrid 1 virtual-ip 1.1.1.100

vrrp vrid 1 priority 100

 vrrp vrid 1 timer advertise 500

 vrrp vrid 1 authentication-mode simple cipher $c$3$mLWX3F+mQ0ODds4PXs6FSPq2xnfEVXSG

 vrrp vrid 1 preempt-mode delay 5000

 vrrp vrid 1 track 1 priority reduced 30

#

RTB配置

#

 version 7.1.075, R0615P11

#

 sysname RTB

#

ip vpn-instance 1

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 2.1.2.1 255.255.255.0

#

interface GigabitEthernet0/1

 port link-mode route

 combo enable copper

 ip binding vpn-instance 1

 ip address 1.1.1.2 255.255.255.0

 vrrp vrid 1 virtual-ip 1.1.1.100

 vrrp vrid 1 timer advertise 500

 vrrp vrid 1 authentication-mode simple cipher $c$3$NrVJ3aUOvYRZqUOdM1UE/yOzn/Z1rxKs

 vrrp vrid 1 priority 80

 vrrp vrid 1 preempt-mode delay 5000

[RTA]dis vrrp

IPv4 virtual router information:

 Running mode : Standard

 Total number of virtual routers : 1

 Interface          VRID  State       Running Adver     Auth     Virtual

                                      pri     timer(cs) type     IP

 ---------------------------------------------------------------------

 GE0/1              1     Master      100     500       Simple   1.1.1.100

[RTB]dis vrrp

IPv4 virtual router information:

 Running mode : Standard

 Total number of virtual routers : 1

 Interface          VRID  State       Running Adver     Auth     Virtual

                                      pri     timer(cs) type     IP

 ---------------------------------------------------------------------

 GE0/1              1     Backup      80      500       Simple   1.1.1.100

RTA上连链路断了后，RTA上的日志和debug信息：

%May 10 11:04:39:263 2019 1 IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/0 changed to down.

%May 10 11:04:39:263 2019 1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/0 changed to down.

q%May 10 11:04:39:729 2019 1 NQA/6/NQA_ENTRY_PROBE_RESULT: Reaction entry 1 of NQA entry admin-name admin operation-tag test: probe-fail.//链路断， NQA检测失败

*May 10 11:05:29:039 2019 1 VRRP4/7/Packet:

Sent Advertisement message from GigabitEthernet0/1

VRID: 1  Pri: 70  Adver timer: 500 centisecs//RTA优先级变为70，并向RTB发送优先级为70的vrrp报文

*May 10 11:05:34:039 2019 1 VRRP4/7/Packet:

Sent Advertisement message from GigabitEthernet0/1

VRID: 1  Pri: 70  Adver timer: 500 centisecs

*May 10 11:05:36:326 2019 1 VRRP4/7/Packet: Received Advertisement message from 1.1.1.2 on GigabitEthernet0/1

VRID: 1  Pri: 80  Adver timer: 500 centisecs//收到RTB发送的优先级为80的vrrp报文

%May 10 11:05:36:326 2019 1 VRRP4/6/VRRP_STATUS_CHANGE:

The status of IPv4 virtual router 1 (configured on GigabitEthernet0/1) changed from Master to Backup: VRRP packet received.//VRRP主由RTA切换为RTB

*May 10 11:05:41:610 2019 1 VRRP4/7/Packet: Received Advertisement message from 1.1.1.2 on GigabitEthernet0/1

VRID: 1  Pri: 80  Adver timer: 500 centisecs

此时看vrrp状态

[RTA]dis vrrp

IPv4 virtual router information:

 Running mode : Standard

 Total number of virtual routers : 1

 Interface          VRID  State       Running Adver     Auth     Virtual

                                      pri     timer(cs) type     IP

 ---------------------------------------------------------------------

 GE0/1              1     Backup      70      500       Simple   1.1.1.100

[RTB]

链路恢复后，RTA上的日志和debug：

%May 10 11:08:06:453 2019 1 IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/0 changed to up.

%May 10 11:08:06:453 2019 1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/0 changed to up.

q%May 10 11:08:06:540 2019 1 NQA/6/NQA_ENTRY_PROBE_RESULT: Reaction entry 1 of NQA entry admin-name admin operation-tag test: probe-pass.//链路恢复，NQA检测成功

*May 10 11:08:56:819 2019 1 VRRP4/7/Packet: Received Advertisement message from 1.1.1.2 on GigabitEthernet0/1

VRID: 1  Pri: 80  Adver timer: 500 centisecs//刚开始还是收到RTB发送的优先级为80的vrrp报文

*May 10 11:09:02:136 2019 1 VRRP4/7/Packet: Received Advertisement message from 1.1.1.2 on GigabitEthernet0/1

VRID: 1  Pri: 80  Adver timer: 500 centisecs

%May 10 11:09:02:240 2019 1 VRRP4/6/VRRP_STATUS_CHANGE:

The status of IPv4 virtual router 1 (configured on GigabitEthernet0/1) changed from Backup to Master: Preempt.//RTA由备切换为主

*May 10 11:09:02:240 2019 1 VRRP4/7/Packet:

Sent Advertisement message from GigabitEthernet0/1

VRID: 1  Pri: 100  Adver timer: 500 centisecs//向RTB发送优先级为100的vrrp报文

 [RTA]dis vrrp

IPv4 virtual router information:

 Running mode : Standard

 Total number of virtual routers : 1

 Interface          VRID  State       Running Adver     Auth     Virtual

                                      pri     timer(cs) type     IP

 ---------------------------------------------------------------------

 GE0/1              1     Master      100     500       Simple   1.1.1.100

[RTB]dis vrrp

IPv4 virtual router information:

 Running mode : Standard

 Total number of virtual routers : 1

 Interface          VRID  State       Running Adver     Auth     Virtual

                                      pri     timer(cs) type     IP

 ---------------------------------------------------------------------

 GE0/1              1     Backup      80      500       Simple   1.1.1.100