diff --git a/monitor/grafana/dashboards/ours-rp-inter-rp.json b/monitor/grafana/dashboards/ours-rp-inter-rp.json
index fd2e431..102a3ad 100644
--- a/monitor/grafana/dashboards/ours-rp-inter-rp.json
+++ b/monitor/grafana/dashboards/ours-rp-inter-rp.json
@@ -494,6 +494,174 @@
           "refId": "A"
         }
       ]
+    },
+    {
+      "id": 12,
+      "title": "Repo Sync Availability by RP",
+      "type": "timeseries",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "Prometheus"
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 36
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "none",
+          "min": 0,
+          "decimals": 0
+        },
+        "overrides": []
+      },
+      "options": {
+        "legend": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "expr": "inter_rp_repo_sync_total{exported_instance=\"remote200-inter-rp\",state=~\"available|failed\",exported_rp=~\"ours-rp|routinator\"}",
+          "legendFormat": "{{exported_rp}} {{state}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 13,
+      "title": "Repo Sync Overlap Classes",
+      "type": "timeseries",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "Prometheus"
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 36
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "none",
+          "min": 0,
+          "decimals": 0
+        },
+        "overrides": []
+      },
+      "options": {
+        "legend": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "expr": "inter_rp_repo_sync_overlap_total{exported_instance=\"remote200-inter-rp\",left=\"ours-rp\",right=\"routinator\"}",
+          "legendFormat": "{{class}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 14,
+      "title": "Repo Sync Diff URIs",
+      "type": "table",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "Prometheus"
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 24,
+        "x": 0,
+        "y": 44
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "none",
+          "decimals": 0
+        },
+        "overrides": []
+      },
+      "options": {
+        "showHeader": true,
+        "sortBy": []
+      },
+      "targets": [
+        {
+          "expr": "inter_rp_repo_sync_diff_info{exported_instance=\"remote200-inter-rp\",left=\"ours-rp\",right=\"routinator\"}",
+          "format": "table",
+          "instant": true,
+          "legendFormat": "{{class}} #{{rank}}",
+          "refId": "A"
+        }
+      ]
+    },
+    {
+      "id": 15,
+      "title": "Only-Ours Repo Count",
+      "type": "stat",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "Prometheus"
+      },
+      "gridPos": {
+        "h": 4,
+        "w": 6,
+        "x": 18,
+        "y": 32
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "short",
+          "decimals": 0
+        },
+        "overrides": []
+      },
+      "options": {
+        "colorMode": "value",
+        "graphMode": "area",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "textMode": "auto",
+        "wideLayout": true
+      },
+      "targets": [
+        {
+          "expr": "max(inter_rp_repo_sync_overlap_total{exported_instance=\"remote200-inter-rp\",left=\"ours-rp\",right=\"routinator\",class=\"only_ours\"})",
+          "legendFormat": "only ours",
+          "refId": "A",
+          "instant": true
+        }
+      ]
     }
   ],
   "refresh": "10s",
@@ -513,5 +681,5 @@
   "timezone": "browser",
   "title": "Ours RP vs Routinator",
   "uid": "ours-rp-inter-rp",
-  "version": 2
+  "version": 3
 }
diff --git a/scripts/inter_rp/inter_rp_ours_routinator_exporter.py b/scripts/inter_rp/inter_rp_ours_routinator_exporter.py
index 66cc2d6..bd333a0 100755
--- a/scripts/inter_rp/inter_rp_ours_routinator_exporter.py
+++ b/scripts/inter_rp/inter_rp_ours_routinator_exporter.py
@@ -3,6 +3,7 @@ import csv
 import datetime as dt
 import json
 import os
+import re
 import socket
 import sys
 import threading
@@ -138,6 +139,126 @@ def sample_routinator(now, errors):
     sample["vaps"] = count_unique_csv(latest / "vaps.csv", 2)
     return sample
 
+
+def parse_prom_labels(label_text):
+    labels = {}
+    for key, value in re.findall(r'(\w+)="((?:[^"\\]|\\.)*)"', label_text):
+        labels[key] = value.replace(r'\"', '"').replace(r'\\', '\\')
+    return labels
+
+def parse_prometheus_samples(text, metric_name):
+    pattern = re.compile(r'^' + re.escape(metric_name) + r'\{([^}]*)\}\s+([-+0-9.eE]+)\s*$', re.MULTILINE)
+    for match in pattern.finditer(text):
+        try:
+            value = float(match.group(2))
+        except ValueError:
+            continue
+        yield parse_prom_labels(match.group(1)), value
+
+def load_ours_repo_sets(errors):
+    try:
+        import urllib.request
+        text = urllib.request.urlopen("http://127.0.0.1:9556/metrics", timeout=10).read().decode("utf-8", "replace")
+    except Exception as exc:
+        errors.append(f"ours-rp repo metrics: {exc}")
+        return {"total": set(), "available": set(), "failed": set(), "info": {}}
+    info = {}
+    states = {}
+    for labels, value in parse_prometheus_samples(text, "ours_rp_repository_info"):
+        uri = labels.get("uri")
+        if uri:
+            info[uri] = labels
+    for labels, value in parse_prometheus_samples(text, "ours_rp_repository_terminal_state_publication_points"):
+        uri = None
+        repo_id = labels.get("repo_id")
+        for candidate_uri, candidate in info.items():
+            if candidate.get("repo_id") == repo_id:
+                uri = candidate_uri
+                break
+        if not uri:
+            continue
+        states.setdefault(uri, {})[labels.get("terminal_state", "unknown")] = value
+    total = set(info)
+    available = set()
+    failed = set()
+    for uri in total:
+        repo_states = states.get(uri, {})
+        non_failed = sum(value for state, value in repo_states.items() if state != "failed_no_cache")
+        if non_failed > 0:
+            available.add(uri)
+        else:
+            failed.add(uri)
+    return {"total": total, "available": available, "failed": failed, "info": info}
+
+def load_routinator_repo_sets(errors):
+    path = PEER_ROOT / "routinator" / "routinator-metrics.prom"
+    if not path.exists():
+        errors.append(f"routinator repo metrics: missing {path}")
+        return {"total": set(), "success": set(), "failed": set(), "duration": {}}
+    try:
+        text = path.read_text(encoding="utf-8", errors="replace")
+    except Exception as exc:
+        errors.append(f"routinator repo metrics: read {path}: {exc}")
+        return {"total": set(), "success": set(), "failed": set(), "duration": {}}
+    total = set()
+    success = set()
+    failed = set()
+    duration = {}
+    for metric in ["routinator_rrdp_status", "routinator_rsync_status"]:
+        for labels, value in parse_prometheus_samples(text, metric):
+            uri = labels.get("uri")
+            if not uri:
+                continue
+            total.add(uri)
+            ok = value in (0.0, 200.0, 304.0)
+            if ok:
+                success.add(uri)
+            else:
+                failed.add(uri)
+    for metric in ["routinator_rrdp_duration", "routinator_rsync_duration"]:
+        for labels, value in parse_prometheus_samples(text, metric):
+            uri = labels.get("uri")
+            if uri:
+                duration[uri] = max(duration.get(uri, 0.0), value)
+    return {"total": total, "success": success, "failed": failed, "duration": duration}
+
+def emit_repo_diff_metrics(out, errors):
+    ours = load_ours_repo_sets(errors)
+    routinator = load_routinator_repo_sets(errors)
+    ours_ok = ours["available"]
+    rout_ok = routinator["success"]
+    only_ours = sorted(ours_ok - rout_ok)
+    only_routinator = sorted(rout_ok - ours_ok)
+    both = ours_ok & rout_ok
+    neither = (ours["total"] | routinator["total"]) - (ours_ok | rout_ok)
+    base = {"instance": INSTANCE, "left": "ours-rp", "right": "routinator"}
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "ours-rp", "state": "total"}, len(ours["total"])))
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "ours-rp", "state": "available"}, len(ours_ok)))
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "ours-rp", "state": "failed"}, len(ours["failed"])))
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "routinator", "state": "total"}, len(routinator["total"])))
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "routinator", "state": "available"}, len(rout_ok)))
+    out.append(metric_line("inter_rp_repo_sync_total", {"instance": INSTANCE, "rp": "routinator", "state": "failed"}, len(routinator["failed"])))
+    out.append(metric_line("inter_rp_repo_sync_overlap_total", {**base, "class": "both_available"}, len(both)))
+    out.append(metric_line("inter_rp_repo_sync_overlap_total", {**base, "class": "only_ours"}, len(only_ours)))
+    out.append(metric_line("inter_rp_repo_sync_overlap_total", {**base, "class": "only_routinator"}, len(only_routinator)))
+    out.append(metric_line("inter_rp_repo_sync_overlap_total", {**base, "class": "neither_available"}, len(neither)))
+    for diff_class, uris in [("only_ours", only_ours), ("only_routinator", only_routinator)]:
+        for rank, uri in enumerate(uris[:50], start=1):
+            labels = {**base, "class": diff_class, "rank": rank, "uri": uri}
+            if uri in routinator["duration"]:
+                labels["routinator_duration"] = f"{routinator['duration'][uri]:.3f}"
+            out.append(metric_line("inter_rp_repo_sync_diff_info", labels, 1))
+    return {
+        "oursTotal": len(ours["total"]),
+        "oursAvailable": len(ours_ok),
+        "routinatorTotal": len(routinator["total"]),
+        "routinatorAvailable": len(rout_ok),
+        "onlyOurs": only_ours[:50],
+        "onlyRoutinator": only_routinator[:50],
+        "bothAvailable": len(both),
+        "neitherAvailable": len(neither),
+    }
+
 def sync_metrics(now):
     path = PEER_ROOT / "sync-status.json"
     if not path.exists():
@@ -201,7 +322,8 @@ def build_metrics():
         out.append(metric_line("inter_rp_vrps_diff", {"instance": INSTANCE, "left": "ours-rp", "right": "routinator"}, abs(int(ours["vrps"]) - int(rout["vrps"]))))
     if ours.get("vaps") is not None and rout.get("vaps") is not None:
         out.append(metric_line("inter_rp_vaps_diff", {"instance": INSTANCE, "left": "ours-rp", "right": "routinator"}, abs(int(ours["vaps"]) - int(rout["vaps"]))))
-    return "".join(out), {"errors": errors, "samples": samples, "sync": sync}
+    repo_diff = emit_repo_diff_metrics(out, errors)
+    return "".join(out), {"errors": errors, "samples": samples, "sync": sync, "repoDiff": repo_diff}
 
 def get_metrics():
     now = time.time()
diff --git a/scripts/inter_rp/sync_routinator_from_remote231.sh b/scripts/inter_rp/sync_routinator_from_remote231.sh
index d541515..2d4c884 100755
--- a/scripts/inter_rp/sync_routinator_from_remote231.sh
+++ b/scripts/inter_rp/sync_routinator_from_remote231.sh
@@ -47,7 +47,13 @@ sync_once() {
     rm -rf "$tmp"
     return 2
   fi
-  rm -rf "$PEER_ROOT/routinator/latest.next" "$PEER_ROOT/routinator/latest.prev"
+  if ! ssh -o BatchMode=yes -o ConnectTimeout=8 "$REMOTE231"     "curl -fsS --max-time 20 http://127.0.0.1:9558/metrics" >"$tmp/routinator-metrics.prom"; then
+    rm -rf "$tmp"
+    return 3
+  fi
+  rm -rf "$PEER_ROOT/routinator/latest.next" "$PEER_ROOT/routinator/latest.prev" "$PEER_ROOT/routinator/routinator-metrics.prom.next"
+  mv "$tmp/routinator-metrics.prom" "$PEER_ROOT/routinator/routinator-metrics.prom.next"
+  mv "$PEER_ROOT/routinator/routinator-metrics.prom.next" "$PEER_ROOT/routinator/routinator-metrics.prom"
   mv "$tmp/latest" "$PEER_ROOT/routinator/latest.next"
   if [[ -e "$PEER_ROOT/routinator/latest" ]]; then
     mv "$PEER_ROOT/routinator/latest" "$PEER_ROOT/routinator/latest.prev"