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Message #46929
[Bug 1549078] Re: neutron router static routes ecmp deesn't work
** Changed in: neutron
Status: New => Incomplete
** Changed in: neutron
Status: Incomplete => Won't Fix
** Changed in: neutron
Status: Won't Fix => Confirmed
** Changed in: neutron
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1549078
Title:
neutron router static routes ecmp deesn't work
Status in neutron:
Confirmed
Bug description:
Create 1 router and set gateway network, then create 2 static routes with same prefix.
~/devstack$ neutron router-show R2
+-------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up | True |
| availability_zone_hints | |
| availability_zones | nova |
| distributed | False |
| external_gateway_info | {"network_id": "d5d571b9-c7c2-443f-8591-7da9d40435a7", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "4d033b6c-9a05-4aee-8462-ac909f86aa86", "ip_address": "172.16.3.3"}]} |
| ha | False |
| id | 1b2467b2-3b83-45bb-90e1-4d78c781d275 |
| name | R2 |
| routes | {"destination": "1.1.1.0/24", "nexthop": "172.16.3.100"} |
| | {"destination": "1.1.1.0/24", "nexthop": "172.16.3.101"} |
| status | ACTIVE |
| tenant_id | d1694a63f75a422b9c83e0693effa482 |
+-------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
~/devstack$ sudo ip netns exec qrouter-1b2467b2-3b83-45bb-90e1-4d78c781d275 ip neighbor show
172.16.3.101 dev qg-4515a36e-77 lladdr 00:00:01:00:00:02 PERMANENT
172.16.3.100 dev qg-4515a36e-77 lladdr 00:00:01:00:00:01 PERMANENT
fe80::f816:3eff:fe8e:a49f dev qg-4515a36e-77 lladdr fa:16:3e:8e:a4:9f STALE
fe80::5863:baff:fefe:c15e dev qg-4515a36e-77 lladdr 5a:63:ba:fe:c1:5e STALE
~/devstack$ sudo ip netns exec qrouter-1b2467b2-3b83-45bb-90e1-4d78c781d275 ip route
default via 172.16.3.1 dev qg-4515a36e-77
1.1.1.0/24 via 172.16.3.101 dev qg-4515a36e-77 ###ONLY 2nd route is installed.
172.16.3.0/24 dev qg-4515a36e-77 proto kernel scope link src 172.16.3.3
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References
