.. title: MPLS Etiket Yığını Görselleştiricisi
.. bilgi: mpls-label-stack-görselleştirici
.. tarih: 27.03.2026 12:00:00 UTC
.. Etiketler: ağ iletişimi, mpls, etiket, yönlendirme, hesap makinesi, araç
.. kategori: Hesap Makineleri
.. bağlantı:
.. açıklama: Atlama başına MPLS etiket yığını işlemlerini (PUSH, SWAP, POP, PHP) görselleştirin. Etiket yığını diyagramını otomatik olarak doldurmak için Cisco show mpls yönlendirme tablosu çıktısını ayrıştırın.
.. yazın: metin
<style>
/* ── CANONICAL DESIGN SYSTEM ──────────────────────────────────────────────── */
.calc-container { max-width: 900px; margin: 20px auto; padding: 20px; }
.calc-header { margin-bottom: 30px; padding: 25px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 12px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); color: white; }
.calc-header h2 { margin-top: 0; color: white; font-size: 28px; margin-bottom: 10px; }
.calc-header p  { margin: 10px 0; opacity: 0.95; font-size: 15px; }
.input-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; margin-top: 20px; }
.input-group { display: flex; flex-direction: column; }
.input-group label { margin-bottom: 8px; font-weight: 600; color: rgba(255,255,255,0.95); font-size: 14px; }
.input-group input, .input-group select, .input-group textarea { padding: 14px; font-size: 14px; border: 2px solid rgba(255,255,255,0.3); border-radius: 6px; background: rgba(255,255,255,0.95); transition: all 0.3s ease; box-sizing: border-box; font-family: inherit; }
.input-group input:focus, .input-group select:focus, .input-group textarea:focus { outline: none; border-color: #4CAF50; background: white; box-shadow: 0 0 0 3px rgba(76,175,80,0.1); }
.input-group textarea { resize: vertical; min-height: 80px; font-family: 'Courier New', monospace; font-size: 13px; }
.button-container { margin-top: 20px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.calc-button { padding: 14px 35px; font-size: 16px; background: #4CAF50; color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: bold; transition: all 0.3s ease; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.calc-button:hover  { background: #45a049; transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0,0,0,0.3); }
.calc-button:active { background: #3d8b40; transform: translateY(0); }
.calc-button.secondary { background: rgba(255,255,255,0.2); }
.calc-button.secondary:hover { background: rgba(255,255,255,0.3); transform: translateY(-1px); }
.result-section { background: white; border: 1px solid #e0e0e0; border-radius: 8px; margin-top: 20px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.05); transition: all 0.3s ease; }
.result-section:hover { box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
.section-header { background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%); color: white; padding: 15px 20px; font-size: 18px; font-weight: bold; }
.section-content { padding: 20px; background: #fafafa; }
@media (max-width: 768px) { .input-grid { grid-template-columns: 1fr; } .calc-header h2 { font-size: 22px; } .calc-container { padding: 10px; } }
/* Page-specific: preserve all original .hop-*, .label-*, and diagram styles below this line */
.hop-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
    flex-wrap: wrap; }
.hop-row select, .hop-row input { padding: 7px; border: 1px solid #ddd;
    border-radius: 4px; font-size: 13px; }
.hop-row input[type="text"] { width: 90px; }
.btn { padding: 8px 18px; background: #4CAF50; color: white;
    border: none; border-radius: 6px; cursor: pointer; font-size: 13px; margin-right: 6px; margin-bottom: 6px; }
.btn:hover { background: #45a049; }
.btn-sm { padding: 4px 10px; font-size: 12px; background: #dc3545; border: none;
    border-radius: 4px; color: white; cursor: pointer; }
.visualizer { margin-top: 20px; overflow-x: auto; }
.hop-diagram { display: flex; align-items: flex-start; gap: 0; }
.hop-node { min-width: 140px; max-width: 180px; }
.hop-box { border: 2px solid #667eea; border-radius: 8px; padding: 10px;
    background: white; text-align: center; min-height: 60px; }
.hop-label { font-weight: bold; font-size: 12px; color: #555; margin-bottom: 6px; }
.stack-entry { background: #4facfe; color: white; border-radius: 4px;
    padding: 4px 8px; margin: 2px 0; font-size: 12px; font-family: monospace;
    text-align: center; }
.stack-entry.new { background: #28a745; }
.stack-entry.top { background: #f7971e; }
.stack-entry.php { background: #dc3545; }
.stack-entry.empty { background: #eee; color: #999; }
.op-badge { display: inline-block; padding: 3px 8px; border-radius: 12px;
    font-size: 11px; font-weight: bold; margin-bottom: 6px; }
.op-push { background: #d4edda; color: #155724; }
.op-swap { background: #cce5ff; color: #004085; }
.op-pop  { background: #f8d7da; color: #721c24; }
.op-php  { background: #fff3cd; color: #856404; }
.arrow { display: flex; align-items: center; padding: 0 4px; color: #666;
    font-size: 20px; padding-top: 30px; }
code { background: rgba(0,0,0,0.2); padding: 1px 5px; border-radius: 3px; font-size: 12px; }
@media (max-width: 600px) { .hop-node { min-width: 110px; } }
</style>
<div class="calc-container">
<div class="calc-header">
<h2>MPLS Etiket Yığını Görselleştiricisi</h2>
<p>Yapıştır<code style="background:rgba(0,0,0,0.2);padding:1px 5px;border-radius:3px">show mpls forwarding-table</code>veya her atlamada etiket yığınını görselleştirmek için çıktıyı izleyin.</p>
<div class="input-grid">
<div class="input-group" style="grid-column:1/-1">
<label>CLI Çıkışı</label>
<textarea id="cliInput" placeholder="Paste Cisco/Juniper MPLS output here…" rows="6"></textarea>
</div>
</div>
<div class="button-container">
<button class="calc-button" onclick="parseCli()">CLI Çıkışını Ayrıştırma</button>
<button class="calc-button secondary" onclick="addHop()">+ Şerbetçiotu Ekle</button>
</div>
</div>
<div class="result-section">
<div class="section-header">Manuel Hop Oluşturucu</div>
<div class="section-content">
<div id="hopList"></div>
<div class="button-container">
<button class="calc-button" onclick="renderDiagram()">Görselleştir</button>
<button class="calc-button secondary" onclick="clearHops()">Temizlemek</button>
</div>
</div>
</div>
<div class="result-section" id="diagramSection" style="display:none">
<div class="section-header">Atlama Başına Etiket Yığını</div>
<div class="section-content">
<div class="visualizer">
<div class="hop-diagram" id="hopDiagram"></div>
</div>
<div id="diagramLegend" style="margin-top:12px;font-size:12px;color:#666"></div>
</div>
</div>
<div class="result-section">
<div class="section-header">MPLS Operasyon Referansı</div>
<div class="section-content">
<table style="width:100%;border-collapse:collapse;font-size:13px">
<tr style="background:#667eea;color:white"><th style="padding:7px">Operasyon</th><th style="padding:7px">Tanım</th><th style="padding:7px">Girişi Yönlendirme</th></tr>
<tr><td style="padding:7px;border-bottom:1px solid #eee"><span class="op-badge op-push">İTMEK</span></td><td style="padding:7px;border-bottom:1px solid #eee">Yığın üstüne yeni bir etiket ekleyin (LER girişi)</td><td style="padding:7px;border-bottom:1px solid #eee">IP → etiket</td></tr>
<tr><td style="padding:7px;border-bottom:1px solid #eee"><span class="op-badge op-swap">TAKAS</span></td><td style="padding:7px;border-bottom:1px solid #eee">Üst etiketi yeni bir etiketle değiştirin (transit LSR)</td><td style="padding:7px;border-bottom:1px solid #eee">label_in → label_out</td></tr>
<tr><td style="padding:7px;border-bottom:1px solid #eee"><span class="op-badge op-pop">POP</span></td><td style="padding:7px;border-bottom:1px solid #eee">Üstteki etiketi kaldırın ve kalan yığını veya IP'yi kullanarak iletin</td><td style="padding:7px;border-bottom:1px solid #eee">Pop Etiketi</td></tr>
<tr><td style="padding:7px"><span class="op-badge op-php">PHP</span></td><td style="padding:7px">Sondan Bir Önceki Atlama — çıkış LER işini azaltmak için sondan ikinci yönlendirici etiketi çıkarır</td><td style="padding:7px">Giden: Sondan bir önceki atlamada Pop Label</td></tr>
</table>
</div>
</div>
</div>
<script>
let hops = [
    { node: 'Ingress LER', op: 'PUSH', inLabel: '', outLabel: '100' },
    { node: 'Transit LSR', op: 'SWAP', inLabel: '100', outLabel: '200' },
    { node: 'PHP LSR', op: 'PHP', inLabel: '200', outLabel: '' },
    { node: 'Egress LER', op: 'POP', inLabel: '', outLabel: '' },
];

function addHop() {
    hops.push({ node: `Hop ${hops.length + 1}`, op: 'SWAP', inLabel: '', outLabel: '' });
    renderHopList();
}

function removeHop(i) {
    hops.splice(i, 1);
    renderHopList();
}

function renderHopList() {
    const div = document.getElementById('hopList');
    div.innerHTML = hops.map((h, i) => `<div class="hop-row">
        <input type="text" value="${h.node}" oninput="hops[${i}].node=this.value" placeholder="Node name" style="width:120px">
        <select onchange="hops[${i}].op=this.value">
            ${['PUSH','SWAP','POP','PHP'].map(op => `<option${h.op===op?' selected':''}>${op}</option>`).join('')}
        </select>
        <input type="text" value="${h.inLabel}" oninput="hops[${i}].inLabel=this.value" placeholder="In label" title="Incoming label (blank for ingress)">
        →
        <input type="text" value="${h.outLabel}" oninput="hops[${i}].outLabel=this.value" placeholder="Out label" title="Outgoing label (blank for POP/egress)">
        <button class="btn-sm" onclick="removeHop(${i})">✕</button>
    </div>`).join('');
}

function clearHops() {
    hops = [];
    renderHopList();
    document.getElementById('diagramSection').style.display = 'none';
}

function parseCli() {
    const text = document.getElementById('cliInput').value;
    const lines = text.split('\n').filter(l => l.trim() && !/^Local|^Label/.test(l.trim()));
    const parsed = [];
    lines.forEach((line, i) => {
        const cols = line.trim().split(/\s+/);
        if (cols.length < 4) return;
        const localLabel = cols[0];
        const outLabel = cols[1];
        const op = outLabel.toLowerCase() === 'pop' ? (i === lines.length - 2 ? 'PHP' : 'POP')
            : localLabel !== '' && !isNaN(localLabel) && outLabel !== '' && !isNaN(outLabel) ? 'SWAP' : 'PUSH';
        const isPhp = outLabel.toLowerCase() === 'pop' && i < lines.length - 1;
        parsed.push({
            node: `LSR ${i + 1} (${cols[5] || cols[4] || 'iface'})`,
            op: outLabel.toLowerCase() === 'pop' ? (isPhp ? 'PHP' : 'POP') : 'SWAP',
            inLabel: localLabel,
            outLabel: outLabel.toLowerCase() === 'pop' ? '' : outLabel,
        });
    });
    if (parsed.length) {
        // Add ingress
        hops = [{ node: 'Ingress LER', op: 'PUSH', inLabel: '', outLabel: parsed[0].inLabel }, ...parsed];
        renderHopList();
        renderDiagram();
    } else {
        alert('No forwarding entries found. Check the pasted format.');
    }
}

function renderDiagram() {
    const diag = document.getElementById('hopDiagram');
    diag.innerHTML = '';
    document.getElementById('diagramSection').style.display = 'block';

    // Simulate label stack through hops
    let stack = [];
    const snapshots = [];

    hops.forEach(h => {
        const before = [...stack];
        if (h.op === 'PUSH') {
            if (h.outLabel) stack = [h.outLabel, ...stack];
        } else if (h.op === 'SWAP') {
            if (stack.length && h.outLabel) stack[0] = h.outLabel;
            else if (h.outLabel) stack = [h.outLabel];
        } else if (h.op === 'POP' || h.op === 'PHP') {
            stack = stack.slice(1);
        }
        snapshots.push({ before, after: [...stack], op: h.op, outLabel: h.outLabel, node: h.node });
    });

    snapshots.forEach((s, i) => {
        if (i > 0) {
            const arrow = document.createElement('div');
            arrow.className = 'arrow';
            arrow.textContent = '→';
            diag.appendChild(arrow);
        }
        const node = document.createElement('div');
        node.className = 'hop-node';
        const opClass = `op-${s.op.toLowerCase()}`;
        const stackHtml = s.after.length
            ? s.after.map((lbl, li) => `<div class="stack-entry${li === 0 ? ' top' : ''}">${lbl}</div>`).join('')
            : '<div class="stack-entry empty">IP</div>';
        node.innerHTML = `<div class="hop-box">
            <div class="hop-label">${s.node}</div>
            <span class="op-badge ${opClass}">${s.op}</span>
            ${stackHtml}
        </div>`;
        diag.appendChild(node);
    });

    document.getElementById('diagramLegend').innerHTML =
        '<span class="stack-entry top" style="display:inline-block;margin-right:6px">Top label (orange)</span>' +
        '<span class="stack-entry" style="display:inline-block;margin-right:6px">Inner label</span>' +
        '<span class="stack-entry empty" style="display:inline-block">IP (no labels)</span>';
}

// Initialize
renderHopList();
</script>