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| author | Anuradha Karuppiah <anuradhak@cumulusnetworks.com> | 2020-06-14 21:13:23 +0200 |
|---|---|---|
| committer | Anuradha Karuppiah <anuradhak@nvidia.com> | 2020-12-15 19:03:50 +0100 |
| commit | 35f5c31b0e246ccafc0649e826b8d63ee60eaed1 (patch) | |
| tree | 070058f85f8d422ba231148edd4f73d5e808869f /zebra/zebra_evpn_mh.h | |
| parent | zebra: display DF status only for local ESs (diff) | |
| download | frr-35f5c31b0e246ccafc0649e826b8d63ee60eaed1.tar.xz frr-35f5c31b0e246ccafc0649e826b8d63ee60eaed1.zip | |
zebra: add support for DF delay timer
When a new ES is created it is held in a non-DF state for 3 seconds
as specified by RFC7432. This allows the switch time to import
the Type-4 routes from the peers. And the peers time to rx the new
Type-4 route.
root@torm-11:mgmt:~# vtysh -c "show evpn es 03:44:38:39:ff:ff:01:00:00:01"|grep DF
DF status: non-df
DF delay: 00:00:01
DF preference: 50000
root@torm-11:mgmt:~# vtysh -c "show evpn es 03:44:38:39:ff:ff:01:00:00:01"|grep DF
DF status: df
DF preference: 50000
root@torm-11:mgmt:~#
Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
Diffstat (limited to 'zebra/zebra_evpn_mh.h')
| -rw-r--r-- | zebra/zebra_evpn_mh.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/zebra/zebra_evpn_mh.h b/zebra/zebra_evpn_mh.h index dc2c299cf..14b298757 100644 --- a/zebra/zebra_evpn_mh.h +++ b/zebra/zebra_evpn_mh.h @@ -88,6 +88,13 @@ struct zebra_evpn_es { * advertised via the ESR */ uint16_t df_pref; + + /* When a new ES is configured it is held in a non-DF state + * for 3 seconds. This allows the peer Type-4 routes to be + * imported before running the DF election. + */ +#define ZEBRA_EVPN_MH_DF_DELAY_TIME 3 /* seconds */ + struct thread *df_delay_timer; }; RB_HEAD(zebra_es_rb_head, zebra_evpn_es); RB_PROTOTYPE(zebra_es_rb_head, zebra_evpn_es, rb_node, zebra_es_rb_cmp); |