Cisco MDS SanOS Troubleshooting Guide -- Troubleshooting VSANs, Domains, and FSPF - Revision history

Pravraj: /* Resolving a Mismatch in Dead Intervals on an ISL Using the CLI */

2010-11-08T10:12:49Z

Resolving a Mismatch in Dead Intervals on an ISL Using the CLI

← Older revision		Revision as of 10:12, 8 November 2010
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	----		----
	<p>2. Use the '''undebug all''' command to turn off debugging. </p>		<p>2. Use the '''undebug all''' command to turn off debugging. </p>
-	<p>3. Use the '''show fspf vsan''' vsan-id '''interface''' command to show FSPF information.</p>	+	<p>3. Use the '''show fspf vsan''' ''vsan-id'' '''interface''' command to show FSPF information.</p>
	----		----
	{{Note\|To issue commands with the '''internal''' keyword, you must have an account that is a member of the network-admin group.}}		{{Note\|To issue commands with the '''internal''' keyword, you must have an account that is a member of the network-admin group.}}
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	: <p>1. The dead timer is not set to the default, so you should check the neighbor configuration.</p>		: <p>1. The dead timer is not set to the default, so you should check the neighbor configuration.</p>
	: <p>2. FSPF is not in full state, which indicates a problem.</p>		: <p>2. FSPF is not in full state, which indicates a problem.</p>
-	<p>4. Use the '''interface''' ~~comma nd~~ and then the '''fspf dead-interval''' command in interface mode to change the dead interval. </p>	+	<p>4. Use the '''interface''' command and then the '''fspf dead-interval''' command in interface mode to change the dead interval. </p>
	----		----

Pravraj: /* Resolving a Wrong Hello Interval on an ISL Using the CLI */

2010-11-08T10:12:11Z

Resolving a Wrong Hello Interval on an ISL Using the CLI

← Older revision		Revision as of 10:12, 8 November 2010
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	: <p>1. There is no second path to domain 238, through domain 1 switch 2.</p>		: <p>1. There is no second path to domain 238, through domain 1 switch 2.</p>
	: <p>2. There is no direct path to domain 1 switch 2; traffic must travel through three ISLs. This is based on the route cost column.</p>		: <p>2. There is no direct path to domain 1 switch 2; traffic must travel through three ISLs. This is based on the route cost column.</p>
-	<p>4. Use the '''show fspf vsan''' vsan-id '''interface''' command to view the FSFP configuration.</p>	+	<p>4. Use the '''show fspf vsan''' ''vsan-id'' '''interface''' command to view the FSFP configuration.</p>
	<pre>switch1# show fspf vsan 1 interface fc1/16		<pre>switch1# show fspf vsan 1 interface fc1/16
	FSPF interface fc1/16 in VSAN 1		FSPF interface fc1/16 in VSAN 1

Pravraj: /* Resolving a Wrong Hello Interval on an ISL Using the CLI */

2010-11-08T10:11:40Z

Resolving a Wrong Hello Interval on an ISL Using the CLI

← Older revision		Revision as of 10:11, 8 November 2010
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	<p>3. Use the '''show fspf internal route vsan''' command to show FSPF information. </p>		<p>3. Use the '''show fspf internal route vsan''' command to show FSPF information. </p>
	----		----
-	: {{Note\| To issue commands with the internal keyword, you must have an account that is a member of the network-admin group.}}	+	: {{Note\| To issue commands with the '''internal''' keyword, you must have an account that is a member of the network-admin group.}}
	----		----
	<pre>switch1# show fspf internal route vsan 1		<pre>switch1# show fspf internal route vsan 1

Pravraj: /* Troubleshooting FSPF Using the CLI */

2010-11-08T10:10:15Z

Troubleshooting FSPF Using the CLI

← Older revision		Revision as of 10:10, 8 November 2010
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	: <p>5. FSPF neighbor information.</p>		: <p>5. FSPF neighbor information.</p>

-	<p>3. Use the show fspf internal route vsan command to verify that all Fibre Channel routes are available.</p>	+	<p>3. Use the '''show fspf internal route vsan''' command to verify that all Fibre Channel routes are available.</p>
	----		----
	{{Note\| To issue commands with the '''internal''' keyword, you must have an account that is a member of the network-admin group. }}		{{Note\| To issue commands with the '''internal''' keyword, you must have an account that is a member of the network-admin group. }}

Pravraj: /* Changes to fcdomain Do Not Take Effect */

2010-11-08T10:09:34Z

Changes to fcdomain Do Not Take Effect

← Older revision		Revision as of 10:09, 8 November 2010
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	</td>		</td>
	<td><p class="pB1_Body1">		<td><p class="pB1_Body1">
-	Trigger a fabric reconfiguration. Choose <span style="color: Black; font-style: normal; font-weight: bold">Fabric</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > VSAN</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > Domain Manager </span>and select <span style="color: Black; font-style: normal; font-weight: bold">Configuration</span> tab in Fabric Manager. Select <span style="color: Black; font-style: normal; font-weight: bold">nonDistruptive</span> from the Restart drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">Apply Changes</span>. If CFS is enabled, then select the <span style="color: Black; font-style: normal; font-weight: bold">CFS</span> tab and select <span style="color: Black; font-style: normal; font-weight: bold">commit</span> from the ConfigAction drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">Apply Changes.</span>	+	Trigger a fabric reconfiguration. Choose <span style="color: Black; font-style: normal; font-weight: bold">'''Fabric'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''VSAN'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''Domain Manager''' </span>and select <span style="color: Black; font-style: normal; font-weight: bold">'''Configuration'''</span> tab in Fabric Manager. Select <span style="color: Black; font-style: normal; font-weight: bold">'''nonDistruptive'''</span> from the Restart drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">'''Apply Changes'''</span>. If CFS is enabled, then select the <span style="color: Black; font-style: normal; font-weight: bold">'''CFS'''</span> tab and select <span style="color: Black; font-style: normal; font-weight: bold">'''commit'''</span> from the '''ConfigAction''' drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">'''Apply Changes'''.</span>
	</p>		</p>
	<p class="pB1_Body1">		<p class="pB1_Body1">
-	~~Or use~~ the <span style="color: Black; font-style: normal; font-weight: bold">fcdomain restart </span>CLI command.	+	Use the <span style="color: Black; font-style: normal; font-weight: bold">'''fcdomain restart''' </span>CLI command.
	</p>		</p>
	</td>		</td>

Pravraj: /* Changes to fcdomain Do Not Take Effect */

2010-11-08T10:06:06Z

Changes to fcdomain Do Not Take Effect

← Older revision		Revision as of 10:06, 8 November 2010
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-	'''11-16 Changes to fcdomain Do Not Take Effect'''	+	:::::::::::'''11-16 Changes to fcdomain Do Not Take Effect'''

	<tr align="left" valign="bottom"> <th scope="col"><div class="pCH1_CellHead1">		<tr align="left" valign="bottom"> <th scope="col"><div class="pCH1_CellHead1">

Pravraj: /* Allowed Domain ID List Incorrect After a VSAN Merge */

2010-11-08T10:05:38Z

Allowed Domain ID List Incorrect After a VSAN Merge

← Older revision		Revision as of 10:05, 8 November 2010
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-	''' 11-15 Allowed Domain ID List Incorrect After a VSAN Merge'''	+	:::::::::::''' 11-15 Allowed Domain ID List Incorrect After a VSAN Merge'''

	<tr align="left" valign="bottom"> <th scope="col"><div class="pCH1_CellHead1">		<tr align="left" valign="bottom"> <th scope="col"><div class="pCH1_CellHead1">

Pravraj: /* CFS Distribution of Domain ID List Fails */

2010-11-08T10:05:21Z

CFS Distribution of Domain ID List Fails

← Older revision		Revision as of 10:05, 8 November 2010
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-	'''11-14 CFS Distribution of Domain ID List Fails'''	+	:::::::::::'''11-14 CFS Distribution of Domain ID List Fails'''

Pravraj: /* CFS Distribution of Domain ID List Fails */

2010-11-08T10:04:17Z

CFS Distribution of Domain ID List Fails

← Older revision		Revision as of 10:04, 8 November 2010
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	</td>		</td>
	<td><p class="pB1_Body1">		<td><p class="pB1_Body1">
-	Add all domain IDs in the VSAN to the domain ID list. Choose <span style="color: Black; font-style: normal; font-weight: bold">Fabric</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > VSAN</span><span style="color: Black; font-style: italic; font-weight: bold">xx </span><span style="color: Black; font-style: normal; font-weight: bold">> Domain Manager > Allowed </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">Allowed DomainIDs </span>tab to view the current allowed domain ID list in Fabric Manager. Choose <span style="color: Black; font-style: normal; font-weight: bold">Fabric</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > VSAN</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > Domain Manager </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">Configuration</span> tab to view the existing domain IDs for this VSAN. Choose <span style="color: Black; font-style: normal; font-weight: bold">Fabric</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > VSAN</span><span style="color: Black; font-style: italic; font-weight: bold">xx</span><span style="color: Black; font-style: normal; font-weight: bold"> > Domain Manager > Allowed </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">Allowed DomainIDs </span>tab to add any missing domain IDs, and then click <span style="color: Black; font-style: normal; font-weight: bold">Apply Changes.</span> If CFS is enabled, select the <span style="color: Black; font-style: normal; font-weight: bold">CFS</span> tab and select <span style="color: Black; font-style: normal; font-weight: bold">commit</span> from the ConfigAction drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">Apply Changes.</span>	+	Add all domain IDs in the VSAN to the domain ID list. Choose <span style="color: Black; font-style: normal; font-weight: bold">'''Fabric'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''VSAN'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx''' </span><span style="color: Black; font-style: normal; font-weight: bold">> '''Domain Manager''' > '''Allowed''' </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">Allowed DomainIDs </span>tab to view the current allowed domain ID list in Fabric Manager. Choose <span style="color: Black; font-style: normal; font-weight: bold">'''Fabric'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''VSAN'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''Domain''' '''Manager''' </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">'''Configuration'''</span> tab to view the existing domain IDs for this VSAN. Choose <span style="color: Black; font-style: normal; font-weight: bold">'''Fabric'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''VSAN'''</span><span style="color: Black; font-style: italic; font-weight: bold">'''xx'''</span><span style="color: Black; font-style: normal; font-weight: bold"> > '''Domain Manager''' > Allowed </span>and select the <span style="color: Black; font-style: normal; font-weight: bold">'''Allowed DomainIDs''' </span>tab to add any missing domain IDs, and then click <span style="color: Black; font-style: normal; font-weight: bold">'''Apply Changes'''.</span> If CFS is enabled, select the <span style="color: Black; font-style: normal; font-weight: bold">'''CFS'''</span> tab and select <span style="color: Black; font-style: normal; font-weight: bold">commit</span> from the ConfigAction drop-down menu and click <span style="color: Black; font-style: normal; font-weight: bold">'''Apply Changes'''.</span>
	</p>		</p>
	<p class="pB1_Body1">		<p class="pB1_Body1">
-	~~Or use~~ the s<span style="color: Black; font-style: normal; font-weight: bold">~~how~~ fcdomain domain-list </span>to view the current allowed domain ID list. Compare this to any other switches in the VSAN to determine what domain IDs are missing. Use the <span style="color: Black; font-style: normal; font-weight: bold">fcdomain allowed</span> CLI command to add any missing domain IDs.	+	Use the <span style="color: Black; font-style: normal; font-weight: bold">'''show fcdomain domain-list''' </span>to view the current allowed domain ID list. Compare this to any other switches in the VSAN to determine what domain IDs are missing. Use the <span style="color: Black; font-style: normal; font-weight: bold">'''fcdomain allowed'''</span> CLI command to add any missing domain IDs.
	</p>		</p>
	</td>		</td>

Pravraj: /* FC Domain ID Overlap */

2010-11-08T09:59:28Z

FC Domain ID Overlap

← Older revision		Revision as of 09:59, 8 November 2010
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	</pre>		</pre>
	<p>'''Explanation: ''' The interface is isolated because of a domain overlap.</p>		<p>'''Explanation: ''' The interface is isolated because of a domain overlap.</p>
-	<p>'''Recommended Action: ''' Use the '''show fcdomain domain-list''' to determine which domain IDs are overlapping. Use the '''fcdomain domain''' domain-id ['''static \| preferred'''] vsan vsan-id CLI command or similar Fabric Manager procedure to change the domain ID for one of the overlapping domain IDs.</p>	+	<p>'''Recommended Action: ''' Use the '''show fcdomain domain-list''' to determine which domain IDs are overlapping. Use the '''fcdomain domain''' ''domain-id'' ['''static \| preferred'''] '''vsan''' ''vsan-id'' CLI command or similar Fabric Manager procedure to change the domain ID for one of the overlapping domain IDs.</p>

	====Assigning a New Domain ID Using Fabric Manager====		====Assigning a New Domain ID Using Fabric Manager====
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	To verify FC domain ID overlap and reassign a new domain ID using Fabric Manager, follow these steps:		To verify FC domain ID overlap and reassign a new domain ID using Fabric Manager, follow these steps:
	----		----
-	<p>1. Choose Switches > Interfaces > FC Physical and check the FailureCause column for an isolation or domain overlap status. </p>	+	<p>1. Choose '''Switches''' > '''Interfaces''' > '''FC Physical''' and check the FailureCause column for an isolation or domain overlap status. </p>
-	<p>2. Choose Fabricxx > VSANxx > Domain Manager to view which domains are currently in the VSAN.</p>	+	<p>2. Choose '''Fabricxx''' > '''VSANxx''' > '''Domain Manager''' to view which domains are currently in the VSAN.</p>
	<p>3. Repeat Step 2 on the other switch to determine which domain IDs overlap.</p>		<p>3. Repeat Step 2 on the other switch to determine which domain IDs overlap.</p>
-	<p>4. Select the Configuration tab and set Config Domain and Config Type to change the domain ID for one of the overlapping domain IDs.</p>	+	<p>4. Select the '''Configuration''' tab and set Config Domain and Config Type to change the domain ID for one of the overlapping domain IDs.</p>

	: * The static option tells the switch to request that particular domain ID. If it does not get that particular address, it will isolate itself from the fabric.		: * The static option tells the switch to request that particular domain ID. If it does not get that particular address, it will isolate itself from the fabric.
	: * The preferred option has the switch request a specified domain ID. If that ID is unavailable, it will accept another ID.		: * The preferred option has the switch request a specified domain ID. If that ID is unavailable, it will accept another ID.
-	<p>5. Set the Restart drop-down menu to disruptive and click Apply Changes to restart the Domain Manager. </p>	+	<p>5. Set the Restart drop-down menu to disruptive and click '''Apply Changes''' to restart the Domain Manager. </p>
	----		----
	: {{Note\| While the static option can be applied to runtime after a disruptive or nondisruptive restart, the preferred option is applied to runtime only after a disruptive restart.}}		: {{Note\| While the static option can be applied to runtime after a disruptive or nondisruptive restart, the preferred option is applied to runtime only after a disruptive restart.}}
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	In this example, switch 2 is isolated because of a domain ID 75 overlap.		In this example, switch 2 is isolated because of a domain ID 75 overlap.

-	<p>4. Use the '''fcdomain domain''' domain-id '''[static \| preferred] vsan''' vsan-id command to change the domain ID for one of the overlapping domain IDs.</p>	+	<p>4. Use the '''fcdomain domain''' ''domain-id'' '''[static \| preferred] vsan''' ''vsan-id'' command to change the domain ID for one of the overlapping domain IDs.</p>

	* The static option tells the switch to request that particular domain ID. If it does not get that particular address, it will isolate itself from the fabric.		* The static option tells the switch to request that particular domain ID. If it does not get that particular address, it will isolate itself from the fabric.