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pimd: use VTEP-PIP as pim-register's ip header SIP

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The unique physical IP is used as the SIP in the ip header to ensure
that pim-register-stop makes it back to the right MLAG switch.

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
This commit is contained in:
Anuradha Karuppiah 2019-03-24 17:15:39 -07:00
parent 48b3386245
commit d9e75668b6
1 changed files with 9 additions and 0 deletions
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9
pimd/pim_register.c
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@ -258,6 +258,15 @@ void pim_null_register_send(struct pim_upstream *up)
/* checksum is broken */ /* checksum is broken */
src = pim_ifp->primary_address; src = pim_ifp->primary_address;
if (PIM_UPSTREAM_FLAG_TEST_SRC_VXLAN_ORIG(up->flags)) {
if (!pim_vxlan_get_register_src(pim_ifp->pim, up, &src)) {
if (PIM_DEBUG_TRACE)
zlog_debug(
"%s: Cannot send null-register for %s vxlan-aa PIP unavailable",
__PRETTY_FUNCTION__, up->sg_str);
return;
}
}
pim_register_send((uint8_t *)&ip_hdr, sizeof(struct ip), pim_register_send((uint8_t *)&ip_hdr, sizeof(struct ip),
src, rpg, 1, up); src, rpg, 1, up);
} }