[FROG] Static route stuck in 'inactive' state
Alasdair Muckart
alasdairmuckart at catalyst.net.nz
Mon Jun 10 21:53:26 UTC 2024
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If I delete the route and re-add it, it works so I'm not sure what dropped it
into an "inactive" state.
Interface information:
Configuration:
- --- cut ---
interface enp6s0f3
vrrp 2
vrrp 2 priority 110
vrrp 2 ip 192.168.146.129
exit
- --- cut ---
Show interfaces from vtysh
- --- cut ---
# show interface enp6s0f3
Interface enp6s0f3 is up, line protocol is up
Link ups: 15 last: 2024/06/10 17:29:11.53
Link downs: 2 last: 2024/06/08 04:35:15.39
vrf: default
Description: to cat-wlgwil-prod-ffw via old network
index 9 metric 0 mtu 1500 speed 1000 txqlen 1000
flags: <UP,BROADCAST,RUNNING,MULTICAST>
Type: Ethernet
HWaddr: 90:3c:b3:3f:da:16
inet 192.168.146.130/29
inet6 fe80::923c:b3ff:fe3f:da16/64
Interface Type Other
Interface Slave Type None
protodown: off
# show interface vrrp4-1-2
Interface vrrp4-1-2 is up, line protocol is up
Link ups: 10 last: 2024/06/10 17:22:50.29
Link downs: 5 last: 2024/06/08 04:35:22.37
vrf: default
Description: VRRP facing cat-wlgwil-prod-ffw on old network
index 24 metric 0 mtu 1500 speed 1000 txqlen 1000
flags: <UP,BROADCAST,RUNNING,MULTICAST>
Type: Ethernet
HWaddr: 00:00:5e:00:01:02
inet 192.168.146.129/32 unnumbered
inet6 fe80::200:5eff:fe00:102/64
Interface Type macvlan
Interface Slave Type None
protodown: off
Parent interface: enp6s0f3
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IP link and address info from OS.
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# ip link show dev enp6s0f3
9: enp6s0f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group 300 qlen 1000
link/ether 90:3c:b3:3f:da:16 brd ff:ff:ff:ff:ff:ff
# ip a show dev enp6s0f3
9: enp6s0f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group 300 qlen 1000
link/ether 90:3c:b3:3f:da:16 brd ff:ff:ff:ff:ff:ff
inet 192.168.146.130/29 brd 192.168.146.135 scope global enp6s0f3
valid_lft forever preferred_lft forever
inet6 fe80::923c:b3ff:fe3f:da16/64 scope link
valid_lft forever preferred_lft forever
# ip link show dev vrrp4-1-2
24: vrrp4-1-2 at enp6s0f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group 300 qlen 1000
link/ether 00:00:5e:00:01:02 brd ff:ff:ff:ff:ff:ff
# ip a show dev vrrp4-1-2
24: vrrp4-1-2 at enp6s0f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group 300 qlen 1000
link/ether 00:00:5e:00:01:02 brd ff:ff:ff:ff:ff:ff
inet 192.168.146.129/32 scope global vrrp4-1-2
valid_lft forever preferred_lft forever
inet6 fe80::200:5eff:fe00:102/64 scope link
valid_lft forever preferred_lft forever
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Alasdair Muckart via frog <frog at lists.frrouting.org> writes:
> [1. message/rfc822]
> From: Alasdair Muckart <alasdairmuckart at catalyst.net.nz>
> Subject: Static route stuck in 'inactive' state
> To: frog at lists.frrouting.org
> Date: Mon, 10 Jun 2024 17:10:17 +1200 (16 hours, 43 minutes, 9 seconds ago)
> Reply-To: alasdairmuckart at catalyst.net.nz
> Flags: seen, list, personal
> Maildir: /catalyst/Lists/Frog
>
> [[PGP Signed Part:Undecided]]
> [2. text/plain]
> I have a static route that's stuck in 'inactive' state and not being inserted
> into the kernel routing table, and I can't figure out why.
>
> Can anyone shed light on this?
>
> FRRouting 10.0 on Linux(5.15.0-112-generic), Ubuntu 22.04.
>
> I have three static routes in my configuration:
>
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> ip route 10.0.0.0/8 192.168.146.134 vrrp4-1-2
> ip route 172.16.0.0/12 192.168.146.134 vrrp4-1-2
> ip route 192.168.0.0/16 192.168.146.134 vrrp4-1-2
> --- cut ---
>
> Two of them work but the 192.168.0.0/16 route is stuck "inactive" in the
> output of 'show ip route static':
>
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> Codes: K - kernel route, C - connected, L - local, S - static,
> R - RIP, O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
> T - Table, v - VNC, V - VNC-Direct, A - Babel, F - PBR,
> f - OpenFabric, t - Table-Direct,
> > - selected route, * - FIB route, q - queued, r - rejected, b - backup
> t - trapped, o - offload failure
>
> S> 10.0.0.0/8 [1/0] via 192.168.146.134, vrrp4-1-2 (recursive), weight 1, 01:22:16
> via 192.168.146.134, vrrp4-1-2 onlink, weight 1, 01:22:16
> S> 172.16.0.0/12 [1/0] via 192.168.146.134, vrrp4-1-2 (recursive), weight 1, 01:22:16
> via 192.168.146.134, vrrp4-1-2 onlink, weight 1, 01:22:16
> S 192.168.0.0/16 [1/0] via 192.168.146.134, vrrp4-1-2 inactive, weight 1, 01:22:16
> --- cut ---
>
> Looking at the routes on the machine, I see routes for the 10/8 and 172.16/12,
> but not 192.168/16:
>
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> 10.0.0.0/8 nhid 84 via 192.168.146.134 dev vrrp4-1-2 proto static metric 20 onlink
> 172.16.0.0/12 nhid 84 via 192.168.146.134 dev vrrp4-1-2 proto static metric 20 onlink
> --- cut ---
>
> Thanks.
- --
Alasdair Muckart (he/him)
Network Infrastructure Architect
Catalyst.Net Limited - Expert Open Source Solutions
Catalyst.Net Ltd - a Catalyst IT group company
DDI: +64 4 897 7794 | Mobile: +64 22 638 5141 | Tel: +64 4 499 2267 | www.catalyst.net.nz
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