Description
Steps to reproduce the issue:
- check current configuration, the config db matches the kernel configuration.
admin@vlab-01:~$ ip addr show Loopback0
72: Loopback0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether b6:c6:c5:15:92:28 brd ff:ff:ff:ff:ff:ff
inet 10.1.0.32/32 scope global Loopback0
valid_lft forever preferred_lft forever
inet6 fc00:1::32/128 scope global
valid_lft forever preferred_lft forever
inet6 fe80::b4c6:c5ff:fe15:9228/64 scope link
valid_lft forever preferred_lft forever
admin@vlab-01:~$ redis-cli
127.0.0.1:6379> select 4
OK
127.0.0.1:6379[4]> keys *LOOP*
1) "LOOPBACK_INTERFACE|Loopback0|10.1.0.32/32"
2) "LOOPBACK_INTERFACE|Loopback0|FC00:1::32/128"
3) "LOOPBACK_INTERFACE|Loopback0"
127.0.0.1:6379[4]> exit
- modify /etc/sonic/config_db.json manually to change loopback ip to 10.1.1.32/32
"LOOPBACK_INTERFACE": {
"Loopback0": {},
"Loopback0|10.1.1.32/32": {},
"Loopback0|FC00:1::32/128": {}
},
- after config reload, config db only has the new loopback ip, but we still see the old loopback ip 10.1.0.32 in the kernel.
admin@vlab-01:~$ sudo config reload -y
admin@vlab-01:~$ ip addr show Loopback0
72: Loopback0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
inet 10.1.0.32/32 scope global Loopback0
valid_lft forever preferred_lft forever
inet 10.1.1.32/32 scope global Loopback0
valid_lft forever preferred_lft forever
inet6 fc00:1::32/128 scope global
valid_lft forever preferred_lft forever
inet6 fe80::b4c6:c5ff:fe15:9228/64 scope link
valid_lft forever preferred_lft forever
admin@vlab-01:~$ redis-cli -n 4
127.0.0.1:6379[4]> keys *LOOP*
1) "LOOPBACK_INTERFACE|Loopback0|FC00:1::32/128"
2) "LOOPBACK_INTERFACE|Loopback0"
3) "LOOPBACK_INTERFACE|Loopback0|10.1.1.32/32"
Describe the results you received:
Describe the results you expected:
10.1.0.32/32 should be removed in the loopback0
Additional information you deem important (e.g. issue happens only occasionally):
**Output of `show version`:** latest version.
```
admin@vlab-01:~$ show version
SONiC Software Version: SONiC.HEAD.1549-eb5a1f7cc
Distribution: Debian 9.11
Kernel: 4.9.0-9-2-amd64
Build commit: eb5a1f7cc
Build date: Fri Nov 22 06:09:42 UTC 2019
Built by: johnar@jenkins-worker-8
```
**Attach debug file `sudo generate_dump`:**
```
(paste your output here)
```
Description
Steps to reproduce the issue:
Describe the results you received:
Describe the results you expected:
10.1.0.32/32 should be removed in the loopback0
Additional information you deem important (e.g. issue happens only occasionally):
admin@vlab-01:~$ show version
SONiC Software Version: SONiC.HEAD.1549-eb5a1f7cc
Distribution: Debian 9.11
Kernel: 4.9.0-9-2-amd64
Build commit: eb5a1f7cc
Build date: Fri Nov 22 06:09:42 UTC 2019
Built by: johnar@jenkins-worker-8
```