{
    "id": "2498b516-4377-4f80-8116-0c5ab06025d9",
    "name": "Essential Rapid-PVST",
    "slug": "essential-rapid-pvst",
    "status": "published",
    "lab_type": "pta",
    "is_sample": false,
    "duration_in_seconds": 1800,
    "metadata": {
        "courses": [
            "601e6ec7-4f81-443d-ad77-37efe9a587cf"
        ],
        "pta_sdn": "292",
        "pta_namespace": "my.ine",
        "learning_paths": [],
        "has_published_parent": true
    },
    "session": null,
    "company": "a491bc32-c056-4946-9169-cc053387bada",
    "created": "2022-08-02T15:56:45.231182Z",
    "modified": "2024-05-17T14:46:02.513443Z",
    "is_beta": false,
    "lab_objectives": [],
    "main_learning_area": "e73fd5a8-2ead-4159-9a25-38b50ad4ab20",
    "learning_areas": [
        {
            "id": "e73fd5a8-2ead-4159-9a25-38b50ad4ab20",
            "name": "Networking",
            "slug": "networking"
        }
    ],
    "categories": [],
    "tags": [],
    "difficulty": null,
    "is_web_access": false,
    "is_lab_experience": false,
    "is_featured": false,
    "cve": null,
    "severity": null,
    "year": null,
    "external_url": "",
    "solution_video": null,
    "explanation_video": null,
    "description": "This lab teaches how to use Rapid-PVST to configure switches, view spanning tree info, create VLANs, and set up root bridges.",
    "description_html": "",
    "tasks": "![description](https://assets.ine.com/content/labs/networking-labs/Task1-7/diagram.png)\n\n\n**Helpful Hints about INE\u2019s virtual lab environment:**\n\n- Save your configuration changes frequently in the event that you get locked out of a device or lose connectivity\n- If you are suddenly logged out of the GNS3 lab environment and log back in again, you may see the prompt, \u201cAnother GNS3 instance is running, continue? (Y/N)\u201d.  Select \u201cYes\u201d\n- If you ever lose console access to one (or more) of your devices you will need to reboot the Ubuntu Virtual Machine that is hosting your GNS3 lab environment.  To do this,\n    - Minimize your GNS3 window\n    - Open the \u201cTerminal\u201d app within the Ubuntu device\n\n    ![description](https://assets.ine.com/content/labs/networking-labs/Task1-7/terminal.png)\n\n    - Type \u201creboot\u201d within the Terminal window\n    - Wait 20-30 seconds and then click the \u201cReconnect\u201d option to log back in.\n\n\n**Task: Working With Rapid-PVST**\n\n1. View the output of \"**show interfaces status**\" on all three switches.\n    - Compare the output against the links shown in the topology diagram.\n    - If any of your inter-switch links are down, enable them.\n    - Links connecting to routers don't matter in this task.\n\n2. Configure all the switches to run in rapid-PVST mode.\n\n3. On all three switches, view the output of the command, \"**show spanning-tree bridge**\" and take note of the Bridge-ID (for VLAN-1) for each switch.\n    - Based on the output of this command, which of your switches do you believe is currently the STP Root Bridge for VLAN-1?\n    - Login to that switch and issues the command, \"**show spanning-tree vlan 1**\" to confirm if your suspicion was correct.\n\n4. View the output of the command, \"**show vlan**\" on all three switches. If your switches do not currently have VLAN-200...create this VLAN.\n    - Confirm that VLAN-200 is allowed on all VLAN trunks.  If it is not, add it to your allowed list.\n\n5. Configure Sw2 as the root bridge for VLAN 200. Do not change the bridge priority.\n    - Configure Sw3 as the secondary root bridge for VLAN 200 **without changing the bridge priority**.\n    - View the output of \"**show spanning-tree bridge**\" again on all three switches and take note of the Bridge-IDs for VLAN-200\n    - Knowing who is the root bridge, and what the Bridge-IDs are for all switches should enable you to predict which ports will be in the Blocking state for this VLAN. See if you can predict that now.\n\n6. Verify spanning-tree root and blocked ports for VLAN 200.",
    "tasks_html": "<p><img alt=\"description\" src=\"https://assets.ine.com/content/labs/networking-labs/Task1-7/diagram.png\" /></p>\n<p><strong>Helpful Hints about INE\u2019s virtual lab environment:</strong></p>\n<ul>\n<li>Save your configuration changes frequently in the event that you get locked out of a device or lose connectivity</li>\n<li>If you are suddenly logged out of the GNS3 lab environment and log back in again, you may see the prompt, \u201cAnother GNS3 instance is running, continue? (Y/N)\u201d.  Select \u201cYes\u201d</li>\n<li>\n<p>If you ever lose console access to one (or more) of your devices you will need to reboot the Ubuntu Virtual Machine that is hosting your GNS3 lab environment.  To do this,</p>\n<ul>\n<li>Minimize your GNS3 window</li>\n<li>Open the \u201cTerminal\u201d app within the Ubuntu device</li>\n</ul>\n<p><img alt=\"description\" src=\"https://assets.ine.com/content/labs/networking-labs/Task1-7/terminal.png\" /></p>\n<ul>\n<li>Type \u201creboot\u201d within the Terminal window</li>\n<li>Wait 20-30 seconds and then click the \u201cReconnect\u201d option to log back in.</li>\n</ul>\n</li>\n</ul>\n<p><strong>Task: Working With Rapid-PVST</strong></p>\n<ol>\n<li>\n<p>View the output of \"<strong>show interfaces status</strong>\" on all three switches.</p>\n<ul>\n<li>Compare the output against the links shown in the topology diagram.</li>\n<li>If any of your inter-switch links are down, enable them.</li>\n<li>Links connecting to routers don't matter in this task.</li>\n</ul>\n</li>\n<li>\n<p>Configure all the switches to run in rapid-PVST mode.</p>\n</li>\n<li>\n<p>On all three switches, view the output of the command, \"<strong>show spanning-tree bridge</strong>\" and take note of the Bridge-ID (for VLAN-1) for each switch.</p>\n<ul>\n<li>Based on the output of this command, which of your switches do you believe is currently the STP Root Bridge for VLAN-1?</li>\n<li>Login to that switch and issues the command, \"<strong>show spanning-tree vlan 1</strong>\" to confirm if your suspicion was correct.</li>\n</ul>\n</li>\n<li>\n<p>View the output of the command, \"<strong>show vlan</strong>\" on all three switches. If your switches do not currently have VLAN-200...create this VLAN.</p>\n<ul>\n<li>Confirm that VLAN-200 is allowed on all VLAN trunks.  If it is not, add it to your allowed list.</li>\n</ul>\n</li>\n<li>\n<p>Configure Sw2 as the root bridge for VLAN 200. Do not change the bridge priority.</p>\n<ul>\n<li>Configure Sw3 as the secondary root bridge for VLAN 200 <strong>without changing the bridge priority</strong>.</li>\n<li>View the output of \"<strong>show spanning-tree bridge</strong>\" again on all three switches and take note of the Bridge-IDs for VLAN-200</li>\n<li>Knowing who is the root bridge, and what the Bridge-IDs are for all switches should enable you to predict which ports will be in the Blocking state for this VLAN. See if you can predict that now.</li>\n</ul>\n</li>\n<li>\n<p>Verify spanning-tree root and blocked ports for VLAN 200.</p>\n</li>\n</ol>",
    "published_date": "2019-10-15T18:00:00Z",
    "solutions": "**Solutions:**\n\nThe command to convert all switches to Rapid-PVST is as follows (to be done on all three switches):\n\n```\n    Sw1>en\n    Sw1#conf t\n    Enter configuration commands, one per line.  End with CNTL/Z.\n    Sw1(config)#spanning-tree mode rapid-pvst\n    Sw1(config)#end\n```\n\nIn the example topology below you can see the Bridge-IDs for each switch for VLAN-1:\n\n<pre><code>\n    <b>Sw1#show spanning-tree bridge</b>\n\n                                                       Hello      Max  Fwd\n    Vlan                         Bridge ID              Time      Age  Dly  Protocol\n    ---------------- --------------------------------- -----  --    -  ---  --------\n    <b>VLAN0001         32769 (32768,   1) 0c3a.cf41.0000</b>    2        20   15  rstp        \n    VLAN0100         32868 (32768, 100) 0c3a.cf41.0000    2        20   15  rstp        \n    VLAN0200         32968 (32768, 200) 0c3a.cf41.0000    2        20   15  rstp        \n    VLAN0300         33068 (32768, 300) 0c3a.cf41.0000    2        20   15  rstp    \n</pre></code>\n\n<pre><code>\n    <b>Sw2#sho spanning-tree bridge</b>\n\n                                                       Hello      Max  Fwd\n    Vlan                         Bridge ID              Time      Age  Dly  Protocol\n    ---------------- --------------------------------- -----  --    -  ---  --------\n    <b>VLAN0001         32769 (32768,   1) 0ce1.3ae3.0000</b>        2    20   15  ieee        \n    VLAN0100         32868 (32768, 100) 0ce1.3ae3.0000    2        20   15  ieee        \n    VLAN0300         33068 (32768, 300) 0ce1.3ae3.0000    2        20   15  ieee  \n</pre></code>\n\n\n<pre><code>\n<b>Sw3#show spanning-tree bridge</b>\n\n                                                   Hello  Max  Fwd\nVlan                         Bridge ID              Time  Age  Dly  Protocol\n---------------- --------------------------------- -----  ---  ---  --------\n<b>VLAN0001         32769 (32768,   1) 0cbb.81c1.0000</b>    2    20   15  ieee        \nVLAN0300         33068 (32768, 300) 0cbb.81c1.0000    2    20   15  ieee     \n</pre></code>\n\n|Switch Name| VLAN-1 Bridge-ID|\n|---|---|\n|Sw1|32769.0c3a.cf41.0000|\n|Sw2|32769.0ce1.3ae3.0000|\n|Sw3|32769.0cbb.81c1.0000|\n\nBased on the information above, and knowing that the overall **lowest** Bridge-ID will become the Root Bridge, we would expect (in my topology) Switch-1 to be the STP Root Bridge.  This is because:\n   - All switches contain the same STP Priority (32769)\n   - The MAC address of Switch-1 begins with 0c3 which is lower than either of the other two switches.\n\nThis is verified as shown below:\n\n<pre><code>\n    <b>Sw1#show spanning-tree vlan 1</b>\n\n    VLAN0001\n      Spanning tree enabled protocol rstp\n      Root ID    Priority    32769\n                 Address     0c3a.cf41.0000\n                 <b>This bridge is the root</b>\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15     sec\n    [snip]\n</pre></code>\n\n\nTo configure any switch as a Root Bridge for a particular VLAN **WITHOUT changing the bridge priority** forces us to use the command, \"**spanning-tree vlan [vlan-id] root primary**\"\n\n<pre><code>\n    Sw2(config)#spanning-tree vlan 200 root primary\n    Sw2(config)#end\n</pre></code>\n\nWe can use the same command with the keyword of **secondary** to configure Sw3 as our secondary (or backup) Root Bridge:\n\n<pre><code>\n    Sw3(config)#spanning-tree vlan 200 root secondary\n    Sw3(config)#end\n</pre></code>\n\nWe know that all of the ports (for VLAN-200) on Sw2 will be forwarding because they will all be designated ports. We also know that all port-costs are the same (because every interface in this lab is Gigabit Ethernet). However all three switches have different Bridge Priority values:\n\n|Switch Name| Bridge Priority| Why?|\n|---|---|---|\n|Sw2| Lowest| Dynamically set with \"Root Priority\" command|\n|Sw3| Second Lowest| Dynamically set with \"Root Secondary\" command|\n|Sw1| Highest| Still at default of 32968 (32768+200)|\n\n\nTherefore in any elections that take place between Sw1 and Sw3...Sw3 will always be the winner. So in our sample/example topology we can predict the ports states will look like this:\n\n![description](https://assets.ine.com/content/labs/networking-labs/Task1-7/stp-predict.png)\n\n**Verification**\n\n<pre><code>\n    Sw1#sho spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol rstp\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 Cost        4\n                 Port        5 (GigabitEthernet1/0)\n                 Hello Time   2 sec  Max Age 20 sec  Forward     Delay 15 sec\n\n      Bridge ID  Priority    32968  (priority 32768 sys-id-ext     200)\n                 Address     0c3a.cf41.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward     Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- ------------    --------------------\n    Gi0/1               Desg FWD 4         128.2    P2p\n    Gi1/0               Root FWD 4         128.5    P2p     Peer(STP)\n    Gi1/1               Altn BLK 4         128.6    P2p     Peer(STP)\n    Gi1/2               Altn BLK 4         128.7    P2p     Peer(STP)\n    Gi3/0               Altn BLK 4         128.13   P2p     Peer(STP)\n    Gi3/1               Altn BLK 4         128.14   P2p     Peer(STP)\n    Gi3/2               Altn BLK 4         128.15   P2p     Peer(STP)\n\n</pre></code>\n\n\n<pre><code>\n    Sw2#show spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol ieee\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 This bridge is the root\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n\n      Bridge ID  Priority    24776  (priority 24576 sys-id-ext 200)\n                 Address     0ce1.3ae3.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- -------------------------    -------\n    Gi1/0               Desg FWD 4         128.5    P2p\n    Gi1/1               Desg FWD 4         128.6    P2p\n    Gi1/2               Desg FWD 4         128.7    P2p\n    Gi2/0               Desg FWD 4         128.9    P2p\n    Gi2/1               Desg FWD 4         128.10   P2p\n    Gi2/2               Desg FWD 4         128.11   P2p\n\n</pre></code>\n\n\n<pre><code>\n    Sw3#show spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol ieee\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 Cost        4\n                 Port        9 (GigabitEthernet2/0)\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n\n      Bridge ID  Priority    28872  (priority 28672 sys-id-ext 200)\n                 Address     0cbb.81c1.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- -------------------------    -------\n    Gi2/0               Root FWD 4         128.9    P2p\n    Gi2/1               Altn BLK 4         128.10   P2p\n    Gi2/2               Altn BLK 4         128.11   P2p\n    Gi3/0               Desg FWD 4         128.13   P2p\n    Gi3/1               Desg FWD 4         128.14   P2p\n    Gi3/2               Desg FWD 4         128.15   P2p\n\n</pre></code>",
    "solutions_html": "<p><strong>Solutions:</strong></p>\n<p>The command to convert all switches to Rapid-PVST is as follows (to be done on all three switches):</p>\n<pre class=\"codehilite\"><code>    Sw1&gt;en\n    Sw1#conf t\n    Enter configuration commands, one per line.  End with CNTL/Z.\n    Sw1(config)#spanning-tree mode rapid-pvst\n    Sw1(config)#end</code></pre>\n\n<p>In the example topology below you can see the Bridge-IDs for each switch for VLAN-1:</p>\n<pre><code>\n    <b>Sw1#show spanning-tree bridge</b>\n\n                                                       Hello      Max  Fwd\n    Vlan                         Bridge ID              Time      Age  Dly  Protocol\n    ---------------- --------------------------------- -----  --    -  ---  --------\n    <b>VLAN0001         32769 (32768,   1) 0c3a.cf41.0000</b>    2        20   15  rstp        \n    VLAN0100         32868 (32768, 100) 0c3a.cf41.0000    2        20   15  rstp        \n    VLAN0200         32968 (32768, 200) 0c3a.cf41.0000    2        20   15  rstp        \n    VLAN0300         33068 (32768, 300) 0c3a.cf41.0000    2        20   15  rstp    \n</pre>\n\n<p></code></p>\n<pre><code>\n    <b>Sw2#sho spanning-tree bridge</b>\n\n                                                       Hello      Max  Fwd\n    Vlan                         Bridge ID              Time      Age  Dly  Protocol\n    ---------------- --------------------------------- -----  --    -  ---  --------\n    <b>VLAN0001         32769 (32768,   1) 0ce1.3ae3.0000</b>        2    20   15  ieee        \n    VLAN0100         32868 (32768, 100) 0ce1.3ae3.0000    2        20   15  ieee        \n    VLAN0300         33068 (32768, 300) 0ce1.3ae3.0000    2        20   15  ieee  \n</pre>\n\n<p></code></p>\n<pre><code>\n<b>Sw3#show spanning-tree bridge</b>\n\n                                                   Hello  Max  Fwd\nVlan                         Bridge ID              Time  Age  Dly  Protocol\n---------------- --------------------------------- -----  ---  ---  --------\n<b>VLAN0001         32769 (32768,   1) 0cbb.81c1.0000</b>    2    20   15  ieee        \nVLAN0300         33068 (32768, 300) 0cbb.81c1.0000    2    20   15  ieee     \n</pre>\n\n<p></code></p>\n<table>\n<thead>\n<tr>\n<th>Switch Name</th>\n<th>VLAN-1 Bridge-ID</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>Sw1</td>\n<td>32769.0c3a.cf41.0000</td>\n</tr>\n<tr>\n<td>Sw2</td>\n<td>32769.0ce1.3ae3.0000</td>\n</tr>\n<tr>\n<td>Sw3</td>\n<td>32769.0cbb.81c1.0000</td>\n</tr>\n</tbody>\n</table>\n<p>Based on the information above, and knowing that the overall <strong>lowest</strong> Bridge-ID will become the Root Bridge, we would expect (in my topology) Switch-1 to be the STP Root Bridge.  This is because:\n   - All switches contain the same STP Priority (32769)\n   - The MAC address of Switch-1 begins with 0c3 which is lower than either of the other two switches.</p>\n<p>This is verified as shown below:</p>\n<pre><code>\n    <b>Sw1#show spanning-tree vlan 1</b>\n\n    VLAN0001\n      Spanning tree enabled protocol rstp\n      Root ID    Priority    32769\n                 Address     0c3a.cf41.0000\n                 <b>This bridge is the root</b>\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15     sec\n    [snip]\n</pre>\n\n<p></code></p>\n<p>To configure any switch as a Root Bridge for a particular VLAN <strong>WITHOUT changing the bridge priority</strong> forces us to use the command, \"<strong>spanning-tree vlan [vlan-id] root primary</strong>\"</p>\n<pre><code>\n    Sw2(config)#spanning-tree vlan 200 root primary\n    Sw2(config)#end\n</pre>\n\n<p></code></p>\n<p>We can use the same command with the keyword of <strong>secondary</strong> to configure Sw3 as our secondary (or backup) Root Bridge:</p>\n<pre><code>\n    Sw3(config)#spanning-tree vlan 200 root secondary\n    Sw3(config)#end\n</pre>\n\n<p></code></p>\n<p>We know that all of the ports (for VLAN-200) on Sw2 will be forwarding because they will all be designated ports. We also know that all port-costs are the same (because every interface in this lab is Gigabit Ethernet). However all three switches have different Bridge Priority values:</p>\n<table>\n<thead>\n<tr>\n<th>Switch Name</th>\n<th>Bridge Priority</th>\n<th>Why?</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>Sw2</td>\n<td>Lowest</td>\n<td>Dynamically set with \"Root Priority\" command</td>\n</tr>\n<tr>\n<td>Sw3</td>\n<td>Second Lowest</td>\n<td>Dynamically set with \"Root Secondary\" command</td>\n</tr>\n<tr>\n<td>Sw1</td>\n<td>Highest</td>\n<td>Still at default of 32968 (32768+200)</td>\n</tr>\n</tbody>\n</table>\n<p>Therefore in any elections that take place between Sw1 and Sw3...Sw3 will always be the winner. So in our sample/example topology we can predict the ports states will look like this:</p>\n<p><img alt=\"description\" src=\"https://assets.ine.com/content/labs/networking-labs/Task1-7/stp-predict.png\" /></p>\n<p><strong>Verification</strong></p>\n<pre><code>\n    Sw1#sho spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol rstp\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 Cost        4\n                 Port        5 (GigabitEthernet1/0)\n                 Hello Time   2 sec  Max Age 20 sec  Forward     Delay 15 sec\n\n      Bridge ID  Priority    32968  (priority 32768 sys-id-ext     200)\n                 Address     0c3a.cf41.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward     Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- ------------    --------------------\n    Gi0/1               Desg FWD 4         128.2    P2p\n    Gi1/0               Root FWD 4         128.5    P2p     Peer(STP)\n    Gi1/1               Altn BLK 4         128.6    P2p     Peer(STP)\n    Gi1/2               Altn BLK 4         128.7    P2p     Peer(STP)\n    Gi3/0               Altn BLK 4         128.13   P2p     Peer(STP)\n    Gi3/1               Altn BLK 4         128.14   P2p     Peer(STP)\n    Gi3/2               Altn BLK 4         128.15   P2p     Peer(STP)\n\n</pre>\n\n<p></code></p>\n<pre><code>\n    Sw2#show spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol ieee\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 This bridge is the root\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n\n      Bridge ID  Priority    24776  (priority 24576 sys-id-ext 200)\n                 Address     0ce1.3ae3.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- -------------------------    -------\n    Gi1/0               Desg FWD 4         128.5    P2p\n    Gi1/1               Desg FWD 4         128.6    P2p\n    Gi1/2               Desg FWD 4         128.7    P2p\n    Gi2/0               Desg FWD 4         128.9    P2p\n    Gi2/1               Desg FWD 4         128.10   P2p\n    Gi2/2               Desg FWD 4         128.11   P2p\n\n</pre>\n\n<p></code></p>\n<pre><code>\n    Sw3#show spanning-tree vlan 200\n\n    VLAN0200\n      Spanning tree enabled protocol ieee\n      Root ID    Priority    24776\n                 Address     0ce1.3ae3.0000\n                 Cost        4\n                 Port        9 (GigabitEthernet2/0)\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n\n      Bridge ID  Priority    28872  (priority 28672 sys-id-ext 200)\n                 Address     0cbb.81c1.0000\n                 Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec\n                 Aging Time  300 sec\n\n    Interface           Role Sts Cost      Prio.Nbr Type\n    ------------------- ---- --- --------- -------- -------------------------    -------\n    Gi2/0               Root FWD 4         128.9    P2p\n    Gi2/1               Altn BLK 4         128.10   P2p\n    Gi2/2               Altn BLK 4         128.11   P2p\n    Gi3/0               Desg FWD 4         128.13   P2p\n    Gi3/1               Desg FWD 4         128.14   P2p\n    Gi3/2               Desg FWD 4         128.15   P2p\n\n</pre>\n\n<p></code></p>",
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