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zebra: changes for configuring mac and neigh holdtime

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When an ES peer withdraws a MAC-IP route we hold the entry for N seconds
to allow an external daemon (neighmgr) to establish host reachability
independent of the peer. Add config commands to allow the user to set
this holdtime (N).

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
This commit is contained in:
Anuradha Karuppiah 2020-05-08 06:00:40 -07:00
parent aa178efd49
commit 41c809b2a8
1 changed files with 32 additions and 0 deletions
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32
zebra/zebra_vty.c
View File

@ -54,6 +54,7 @@
#include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_pbr.h"
#include "zebra/zebra_nhg.h"
#include "zebra/zebra_evpn_mh.h"
#include "zebra/interface.h"
#include "northbound_cli.h"
#include "zebra/zebra_nb.h"
@ -2355,6 +2356,33 @@ DEFUN (show_vrf,
return CMD_SUCCESS;
}
DEFPY (evpn_mh_mac_holdtime,
evpn_mh_mac_holdtime_cmd,
"[no$no] evpn mh mac-holdtime (0-86400)$duration",
NO_STR
"EVPN\n"
"Multihoming\n"
"MAC hold time\n"
"Duration in seconds\n")
{
return zebra_evpn_mh_mac_holdtime_update(vty, duration,
no ? true : false);
}
DEFPY (evpn_mh_neigh_holdtime,
evpn_mh_neigh_holdtime_cmd,
"[no$no] evpn mh neigh-holdtime (0-86400)$duration",
NO_STR
"EVPN\n"
"Multihoming\n"
"Neighbor entry hold time\n"
"Duration in seconds\n")
{
return zebra_evpn_mh_neigh_holdtime_update(vty, duration,
no ? true : false);
}
DEFUN (default_vrf_vni_mapping,
default_vrf_vni_mapping_cmd,
"vni " CMD_VNI_RANGE "[prefix-routes-only]",
@ -3403,6 +3431,8 @@ static int config_write_protocol(struct vty *vty)
/* Include dataplane info */
dplane_config_write_helper(vty);
zebra_evpn_mh_config_write(vty);
/* Include nexthop-group config */
if (!zebra_nhg_kernel_nexthops_enabled())
vty_out(vty, "no zebra nexthop kernel enable\n");
@ -3899,6 +3929,8 @@ void zebra_vty_init(void)
install_element(VIEW_NODE, &show_pbr_ipset_cmd);
install_element(VIEW_NODE, &show_pbr_iptable_cmd);
install_element(CONFIG_NODE, &evpn_mh_mac_holdtime_cmd);
install_element(CONFIG_NODE, &evpn_mh_neigh_holdtime_cmd);
install_element(CONFIG_NODE, &default_vrf_vni_mapping_cmd);
install_element(CONFIG_NODE, &no_default_vrf_vni_mapping_cmd);
install_element(VRF_NODE, &vrf_vni_mapping_cmd);