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Revert "isisd: fix metric calculation of classic lfa backup prefixes"
authorDonatas Abraitis <donatas@opensourcerouting.org>
Sun, 10 Jul 2022 18:40:43 +0000 (21:40 +0300)
committerDonatas Abraitis <donatas@opensourcerouting.org>
Sun, 10 Jul 2022 18:40:43 +0000 (21:40 +0300)
This reverts commit e45958e9cfccd6dfc108a7ef5cb73775e8ef2e68.

isisd/isis_lfa.c patch | blob | history
tests/isisd/test_isis_spf.refout patch | blob | history

diff --git a/isisd/isis_lfa.c b/isisd/isis_lfa.c
index b348c876d3022c846028045ed01d5ff32ba27eaf..800cac8521e99c1094567a72139bc65939f15802 100644 (file)
--- a/isisd/isis_lfa.c
+++ b/isisd/isis_lfa.c
@@ -1836,7 +1836,7 @@ static bool clfa_loop_free_check(struct isis_spftree *spftree,
                                 struct isis_vertex *vertex_S_D,
                                 struct isis_spf_adj *sadj_primary,
                                 struct isis_spf_adj *sadj_N,
-                                uint32_t *path_metric)
+                                uint32_t *lfa_metric)
 {
        struct isis_spf_node *node_N;
        uint32_t dist_N_D;
@@ -1882,7 +1882,7 @@ static bool clfa_loop_free_check(struct isis_spftree *spftree,
                           dist_N_S, dist_S_D);
 
        if (dist_N_D < (dist_N_S + dist_S_D)) {
-               *path_metric = sadj_N->metric + dist_N_D;
+               *lfa_metric = sadj_N->metric + dist_N_D;
                return true;
        }
 
@@ -2082,7 +2082,7 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
                      struct isis_spftree *spftree,
                      struct lfa_protected_resource *resource)
 {
-       struct isis_vertex *vertex, *parent_vertex;
+       struct isis_vertex *vertex;
        struct listnode *vnode, *snode;
        int level = spftree->level;
 
@@ -2099,7 +2099,7 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
                struct isis_vertex_adj *vadj_primary;
                struct isis_spf_adj *sadj_primary;
                bool allow_ecmp;
-               uint32_t prefix_metric, best_metric = UINT32_MAX;
+               uint32_t best_metric = UINT32_MAX;
                char buf[VID2STR_BUFFER];
 
                if (!VTYPE_IP(vertex->type))
@@ -2133,9 +2133,6 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
                vadj_primary = listnode_head(vertex->Adj_N);
                sadj_primary = vadj_primary->sadj;
 
-               parent_vertex = listnode_head(vertex->parents);
-               prefix_metric = vertex->d_N - parent_vertex->d_N;
-
                /*
                 * Loop over list of SPF adjacencies and compute a list of
                 * preliminary LFAs.
@@ -2143,7 +2140,7 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
                lfa_list = list_new();
                lfa_list->del = isis_vertex_adj_free;
                for (ALL_LIST_ELEMENTS_RO(spftree->sadj_list, snode, sadj_N)) {
-                       uint32_t lfa_metric, path_metric;
+                       uint32_t lfa_metric;
                        struct isis_vertex_adj *lfa;
                        struct isis_prefix_sid *psid = NULL;
                        bool last_hop = false;
@@ -2193,7 +2190,7 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
 
                        /* Check loop-free criterion. */
                        if (!clfa_loop_free_check(spftree, vertex, sadj_primary,
-                                                 sadj_N, &path_metric)) {
+                                                 sadj_N, &lfa_metric)) {
                                if (IS_DEBUG_LFA)
                                        zlog_debug(
                                                "ISIS-LFA: LFA condition not met for %s",
@@ -2201,7 +2198,6 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
                                continue;
                        }
 
-                       lfa_metric = path_metric + prefix_metric;
                        if (lfa_metric < best_metric)
                                best_metric = lfa_metric;
 
@@ -2212,7 +2208,7 @@ void isis_lfa_compute(struct isis_area *area, struct isis_circuit *circuit,
 
                        if (vertex->N.ip.sr.present) {
                                psid = &vertex->N.ip.sr.sid;
-                               if (path_metric == sadj_N->metric)
+                               if (lfa_metric == sadj_N->metric)
                                        last_hop = true;
                        }
                        lfa = isis_vertex_adj_add(spftree, vertex, lfa_list,
diff --git a/tests/isisd/test_isis_spf.refout b/tests/isisd/test_isis_spf.refout
index 23d41b9e5dd02a1ef7f0060f033da63f2f63d654..bdd5b2e439a253a32ba27a993e7f49b41ed78f15 100644 (file)
--- a/tests/isisd/test_isis_spf.refout
+++ b/tests/isisd/test_isis_spf.refout
@@ -823,7 +823,7 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)       \r
  ----------------------------------------------------------\r
- 10.0.255.2/32  50      -          rt2      implicit-null  \r
+ 10.0.255.2/32  40      -          rt2      implicit-null  \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -859,7 +859,7 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)       \r
  ------------------------------------------------------------\r
- 2001:db8::2/128  50      -          rt2      implicit-null  \r
+ 2001:db8::2/128  40      -          rt2      implicit-null  \r
 \r
 test# test isis topology 2 root rt4 lfa system-id rt6\r
 IS-IS paths to level-1 routers that speak IP\r
@@ -896,7 +896,7 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.6/32  30      -          rt5      16060     \r
+ 10.0.255.6/32  20      -          rt5      16060     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -932,7 +932,7 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)  \r
  -------------------------------------------------------\r
- 2001:db8::6/128  30      -          rt5      16061     \r
+ 2001:db8::6/128  20      -          rt5      16061     \r
 \r
 test# test isis topology 3 root rt1 lfa system-id rt2\r
 IS-IS paths to level-1 routers that speak IP\r
@@ -967,10 +967,10 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.2/32  30      -          rt3      16020     \r
- 10.0.255.4/32  40      -          rt3      16040     \r
- 10.0.255.5/32  50      -          rt3      16050     \r
- 10.0.255.6/32  50      -          rt3      16060     \r
+ 10.0.255.2/32  20      -          rt3      16020     \r
+ 10.0.255.4/32  30      -          rt3      16040     \r
+ 10.0.255.5/32  40      -          rt3      16050     \r
+ 10.0.255.6/32  40      -          rt3      16060     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1017,7 +1017,7 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.3/32  30      -          rt2      16030     \r
+ 10.0.255.3/32  20      -          rt2      16030     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1085,17 +1085,17 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix          Metric  Interface  Nexthop  Label(s)       \r
  -----------------------------------------------------------\r
- 10.0.255.2/32   50      -          rt2      implicit-null  \r
- 10.0.255.3/32   60      -          rt2      16030          \r
- 10.0.255.4/32   70      -          rt2      16040          \r
- 10.0.255.5/32   60      -          rt2      16050          \r
- 10.0.255.6/32   70      -          rt2      16060          \r
- 10.0.255.7/32   80      -          rt2      16070          \r
- 10.0.255.8/32   70      -          rt2      16080          \r
- 10.0.255.9/32   80      -          rt2      16090          \r
- 10.0.255.10/32  90      -          rt2      16100          \r
- 10.0.255.11/32  80      -          rt2      16110          \r
- 10.0.255.12/32  90      -          rt2      16120          \r
+ 10.0.255.2/32   40      -          rt2      implicit-null  \r
+ 10.0.255.3/32   50      -          rt2      16030          \r
+ 10.0.255.4/32   60      -          rt2      16040          \r
+ 10.0.255.5/32   50      -          rt2      16050          \r
+ 10.0.255.6/32   60      -          rt2      16060          \r
+ 10.0.255.7/32   70      -          rt2      16070          \r
+ 10.0.255.8/32   60      -          rt2      16080          \r
+ 10.0.255.9/32   70      -          rt2      16090          \r
+ 10.0.255.10/32  80      -          rt2      16100          \r
+ 10.0.255.11/32  70      -          rt2      16110          \r
+ 10.0.255.12/32  80      -          rt2      16120          \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1173,10 +1173,10 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix          Metric  Interface  Nexthop  Label(s)  \r
  ------------------------------------------------------\r
- 10.0.255.8/32   50      -          rt10     16080     \r
- 10.0.255.9/32   60      -          rt10     16090     \r
- 10.0.255.11/32  40      -          rt10     16110     \r
- 10.0.255.12/32  50      -          rt10     16120     \r
+ 10.0.255.8/32   40      -          rt10     16080     \r
+ 10.0.255.9/32   50      -          rt10     16090     \r
+ 10.0.255.11/32  30      -          rt10     16110     \r
+ 10.0.255.12/32  40      -          rt10     16120     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1252,7 +1252,7 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix          Metric  Interface  Nexthop  Label(s)  \r
  ------------------------------------------------------\r
- 10.0.255.10/32  40      -          rt7      16100     \r
+ 10.0.255.10/32  30      -          rt7      16100     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1313,14 +1313,14 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)       \r
  ----------------------------------------------------------\r
- 10.0.255.1/32  130     -          rt4      16010          \r
- 10.0.255.2/32  120     -          rt4      16020          \r
- 10.0.255.4/32  110     -          rt4      implicit-null  \r
- 10.0.255.5/32  120     -          rt4      16050          \r
- 10.0.255.6/32  140     -          rt4      16060          \r
- 10.0.255.7/32  140     -          rt4      16070          \r
- 10.0.255.8/32  140     -          rt4      16080          \r
- 10.0.255.9/32  130     -          rt4      16090          \r
+ 10.0.255.1/32  120     -          rt4      16010          \r
+ 10.0.255.2/32  110     -          rt4      16020          \r
+ 10.0.255.4/32  100     -          rt4      implicit-null  \r
+ 10.0.255.5/32  110     -          rt4      16050          \r
+ 10.0.255.6/32  130     -          rt4      16060          \r
+ 10.0.255.7/32  130     -          rt4      16070          \r
+ 10.0.255.8/32  130     -          rt4      16080          \r
+ 10.0.255.9/32  120     -          rt4      16090          \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1366,14 +1366,14 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)       \r
  ------------------------------------------------------------\r
- 2001:db8::1/128  130     -          rt4      16011          \r
- 2001:db8::2/128  120     -          rt4      16021          \r
- 2001:db8::4/128  110     -          rt4      implicit-null  \r
- 2001:db8::5/128  120     -          rt4      16051          \r
- 2001:db8::6/128  140     -          rt4      16061          \r
- 2001:db8::7/128  140     -          rt4      16071          \r
- 2001:db8::8/128  140     -          rt4      16081          \r
- 2001:db8::9/128  130     -          rt4      16091          \r
+ 2001:db8::1/128  120     -          rt4      16011          \r
+ 2001:db8::2/128  110     -          rt4      16021          \r
+ 2001:db8::4/128  100     -          rt4      implicit-null  \r
+ 2001:db8::5/128  110     -          rt4      16051          \r
+ 2001:db8::6/128  130     -          rt4      16061          \r
+ 2001:db8::7/128  130     -          rt4      16071          \r
+ 2001:db8::8/128  130     -          rt4      16081          \r
+ 2001:db8::9/128  120     -          rt4      16091          \r
 \r
 test# test isis topology 10 root rt8 lfa system-id rt5\r
 IS-IS paths to level-1 routers that speak IP\r
@@ -1414,15 +1414,15 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.1/32  90      -          rt6      16010     \r
+ 10.0.255.1/32  80      -          rt6      16010     \r
                         -          rt7      16010     \r
- 10.0.255.2/32  100     -          rt6      16020     \r
+ 10.0.255.2/32  90      -          rt6      16020     \r
                         -          rt7      16020     \r
- 10.0.255.3/32  70      -          rt6      16030     \r
+ 10.0.255.3/32  60      -          rt6      16030     \r
                         -          rt7      16030     \r
- 10.0.255.4/32  70      -          rt6      16040     \r
+ 10.0.255.4/32  60      -          rt6      16040     \r
                         -          rt7      16040     \r
- 10.0.255.5/32  110     -          rt6      16050     \r
+ 10.0.255.5/32  100     -          rt6      16050     \r
                         -          rt7      16050     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
@@ -1463,15 +1463,15 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)  \r
  -------------------------------------------------------\r
- 2001:db8::1/128  90      -          rt6      16011     \r
+ 2001:db8::1/128  80      -          rt6      16011     \r
                           -          rt7      16011     \r
- 2001:db8::2/128  100     -          rt6      16021     \r
+ 2001:db8::2/128  90      -          rt6      16021     \r
                           -          rt7      16021     \r
- 2001:db8::3/128  70      -          rt6      16031     \r
+ 2001:db8::3/128  60      -          rt6      16031     \r
                           -          rt7      16031     \r
- 2001:db8::4/128  70      -          rt6      16041     \r
+ 2001:db8::4/128  60      -          rt6      16041     \r
                           -          rt7      16041     \r
- 2001:db8::5/128  110     -          rt6      16051     \r
+ 2001:db8::5/128  100     -          rt6      16051     \r
                           -          rt7      16051     \r
 \r
 test# test isis topology 11 root rt3 lfa system-id rt5\r
@@ -1511,8 +1511,8 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.5/32  40      -          rt2      16050     \r
- 10.0.255.6/32  40      -          rt2      16060     \r
+ 10.0.255.5/32  30      -          rt2      16050     \r
+ 10.0.255.6/32  30      -          rt2      16060     \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1550,8 +1550,8 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)  \r
  -------------------------------------------------------\r
- 2001:db8::5/128  40      -          rt2      16051     \r
- 2001:db8::6/128  40      -          rt2      16061     \r
+ 2001:db8::5/128  30      -          rt2      16051     \r
+ 2001:db8::6/128  30      -          rt2      16061     \r
 \r
 test# test isis topology 13 root rt4 lfa system-id rt3\r
 IS-IS paths to level-1 routers that speak IP\r
@@ -1593,10 +1593,10 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)       \r
  ----------------------------------------------------------\r
- 10.0.255.3/32  120     -          rt5      16030          \r
- 10.0.255.5/32  110     -          rt5      implicit-null  \r
- 10.0.255.6/32  130     -          rt5      16060          \r
- 10.0.255.7/32  120     -          rt5      16070          \r
+ 10.0.255.3/32  110     -          rt5      16030          \r
+ 10.0.255.5/32  100     -          rt5      implicit-null  \r
+ 10.0.255.6/32  120     -          rt5      16060          \r
+ 10.0.255.7/32  110     -          rt5      16070          \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1699,7 +1699,7 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.2/32  30      -          rt3      -         \r
+ 10.0.255.2/32  20      -          rt3      -         \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1731,7 +1731,7 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)  \r
  -------------------------------------------------------\r
- 2001:db8::2/128  30      -          rt3      -         \r
+ 2001:db8::2/128  20      -          rt3      -         \r
 \r
 test# test isis topology 14 root rt5 lfa system-id rt4\r
 IS-IS paths to level-1 routers that speak IP\r
@@ -1765,10 +1765,10 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.1/32  70      -          rt3      -         \r
- 10.0.255.2/32  70      -          rt3      -         \r
- 10.0.255.3/32  60      -          rt3      -         \r
- 10.0.255.4/32  70      -          rt3      -         \r
+ 10.0.255.1/32  60      -          rt3      -         \r
+ 10.0.255.2/32  60      -          rt3      -         \r
+ 10.0.255.3/32  50      -          rt3      -         \r
+ 10.0.255.4/32  60      -          rt3      -         \r
 \r
 IS-IS paths to level-1 routers that speak IPv6\r
 Vertex               Type         Metric Next-Hop             Interface Parent\r
@@ -1801,10 +1801,10 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)  \r
  -------------------------------------------------------\r
- 2001:db8::1/128  70      -          rt3      -         \r
- 2001:db8::2/128  70      -          rt3      -         \r
- 2001:db8::3/128  60      -          rt3      -         \r
- 2001:db8::4/128  70      -          rt3      -         \r
+ 2001:db8::1/128  60      -          rt3      -         \r
+ 2001:db8::2/128  60      -          rt3      -         \r
+ 2001:db8::3/128  50      -          rt3      -         \r
+ 2001:db8::4/128  60      -          rt3      -         \r
 \r
 test# \r
 test# test isis topology 1 root rt1 remote-lfa system-id rt2\r
@@ -2174,11 +2174,11 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)  \r
  -----------------------------------------------------\r
- 10.0.255.1/32  50      -          rt3      16010     \r
+ 10.0.255.1/32  40      -          rt3      16010     \r
                         -          rt6      16010     \r
- 10.0.255.2/32  40      -          rt3      16020     \r
+ 10.0.255.2/32  30      -          rt3      16020     \r
                         -          rt6      16020     \r
- 10.0.255.4/32  30      -          rt3      16040     \r
+ 10.0.255.4/32  20      -          rt3      16040     \r
                         -          rt6      16040     \r
 \r
 test# test isis topology 3 root rt5 remote-lfa system-id rt3 ipv4-only\r
@@ -2535,13 +2535,13 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)     \r
  --------------------------------------------------------\r
- 10.0.255.1/32  60      -          rt10     16010        \r
+ 10.0.255.1/32  50      -          rt10     16010        \r
  10.0.255.2/32  60      -          rt12     50900/16020  \r
  10.0.255.3/32  70      -          rt12     50900/16030  \r
- 10.0.255.4/32  50      -          rt10     16040        \r
+ 10.0.255.4/32  40      -          rt10     16040        \r
  10.0.255.5/32  50      -          rt12     50900/16050  \r
  10.0.255.6/32  60      -          rt12     50900/16060  \r
- 10.0.255.7/32  40      -          rt10     16070        \r
+ 10.0.255.7/32  30      -          rt10     16070        \r
  10.0.255.8/32  40      -          rt12     50900/16080  \r
 \r
 test# test isis topology 7 root rt6 remote-lfa system-id rt5 ipv4-only\r
@@ -2671,13 +2671,13 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix          Metric  Interface  Nexthop  Label(s)  \r
  ------------------------------------------------------\r
- 10.0.255.1/32   80      -          rt9      16010     \r
- 10.0.255.4/32   70      -          rt9      16040     \r
- 10.0.255.5/32   60      -          rt9      16050     \r
- 10.0.255.7/32   60      -          rt9      16070     \r
- 10.0.255.8/32   50      -          rt9      16080     \r
- 10.0.255.10/32  70      -          rt9      16100     \r
- 10.0.255.11/32  60      -          rt9      16110     \r
+ 10.0.255.1/32   70      -          rt9      16010     \r
+ 10.0.255.4/32   60      -          rt9      16040     \r
+ 10.0.255.5/32   50      -          rt9      16050     \r
+ 10.0.255.7/32   50      -          rt9      16070     \r
+ 10.0.255.8/32   40      -          rt9      16080     \r
+ 10.0.255.10/32  60      -          rt9      16100     \r
+ 10.0.255.11/32  50      -          rt9      16110     \r
 \r
 test# test isis topology 8 root rt2 remote-lfa system-id rt5 ipv4-only\r
 P-space (self):\r
@@ -2863,14 +2863,14 @@ IS-IS L1 IPv4 routing table:
 \r
  Prefix         Metric  Interface  Nexthop  Label(s)       \r
  ----------------------------------------------------------\r
- 10.0.255.1/32  60      -          rt1      implicit-null  \r
+ 10.0.255.1/32  50      -          rt1      implicit-null  \r
                         -          rt3      16010          \r
- 10.0.255.3/32  60      -          rt1      16030          \r
+ 10.0.255.3/32  50      -          rt1      16030          \r
                         -          rt3      implicit-null  \r
  10.0.255.4/32  80      -          rt3      50500/16040    \r
- 10.0.255.5/32  70      -          rt1      16050          \r
+ 10.0.255.5/32  60      -          rt1      16050          \r
                         -          rt3      16050          \r
- 10.0.255.6/32  80      -          rt3      16060          \r
+ 10.0.255.6/32  70      -          rt3      16060          \r
 \r
 P-space (self):\r
 \r
@@ -2941,14 +2941,14 @@ IS-IS L1 IPv6 routing table:
 \r
  Prefix           Metric  Interface  Nexthop  Label(s)       \r
  ------------------------------------------------------------\r
- 2001:db8::1/128  60      -          rt1      implicit-null  \r
+ 2001:db8::1/128  50      -          rt1      implicit-null  \r
                           -          rt3      16011          \r
- 2001:db8::3/128  60      -          rt1      16031          \r
+ 2001:db8::3/128  50      -          rt1      16031          \r
                           -          rt3      implicit-null  \r
  2001:db8::4/128  80      -          rt3      50500/16041    \r
- 2001:db8::5/128  70      -          rt1      16051          \r
+ 2001:db8::5/128  60      -          rt1      16051          \r
                           -          rt3      16051          \r
- 2001:db8::6/128  80      -          rt3      16061          \r
+ 2001:db8::6/128  70      -          rt3      16061          \r
 \r
 test# test isis topology 13 root rt1 remote-lfa system-id rt3 ipv4-only\r
 P-space (self):\r
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