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zebra: add implicit-null labels to the rib

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Implicit-null labels are never installed in the FIB but we need to keep
track of them because of L2/L3 VPN nexthop resolution.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2017-06-05 22:48:10 -03:00 committed by David Lamparter
parent 211ee93ffb
commit 2f9c59f031
1 changed files with 4 additions and 6 deletions
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10
zebra/zserv.c
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@ -1877,14 +1877,12 @@ static void zread_mpls_labels(int command, struct zserv *client, u_short length,
if (command == ZEBRA_MPLS_LABELS_ADD) {
mpls_lsp_install(zvrf, type, in_label, out_label, gtype, &gate,
ifindex);
if (out_label != MPLS_IMP_NULL_LABEL)
mpls_ftn_update(1, zvrf, type, &prefix, gtype, &gate,
ifindex, distance, out_label);
mpls_ftn_update(1, zvrf, type, &prefix, gtype, &gate, ifindex,
distance, out_label);
} else if (command == ZEBRA_MPLS_LABELS_DELETE) {
mpls_lsp_uninstall(zvrf, type, in_label, gtype, &gate, ifindex);
if (out_label != MPLS_IMP_NULL_LABEL)
mpls_ftn_update(0, zvrf, type, &prefix, gtype, &gate,
ifindex, distance, out_label);
mpls_ftn_update(0, zvrf, type, &prefix, gtype, &gate, ifindex,
distance, out_label);
}
}
/* Send response to a label manager connect request to client */