D-Link DGS-3630 Emulator 1 - Page 713
show ip isis route
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Default None. DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Command Mode Router Configuration Mode. Command Default Level Level: 12. Usage Guideline This command is used to force the IS-IS process to set the overload-bit in its non-pseudonode LSPs. Normally, the setting of the overload bit is allowed only when a router runs into problems. For example, when a router is experiencing a memory shortage, it might be that the LSPDB isn't complete, resulting in an incomplete or inaccurate routing table. By setting the overload bit in its LSPs, other router can ignore the unreliable router in their SPF calculations until the router has recovered from its problems. Unless the on-startup keyword is specified, this command sets the overload bit immediately. In addition to setting the overload bit, it might be a good idea to suppress certain types of IP prefix advertisements from LSPs. For example, allowing IP prefix propagation between level 1 and level 2 effectively makes a node a transit node for IP traffic, which might be undesirable. The suppress keyword used with the interlevel or external keyword (or both) accomplishes that suppression while the overload bit is set. Example This example shows how to configure the overload bit upon startup and suppresses redistribution between IS-IS levels and suppresses redistribution from external routing protocols while the overload bit is set. Switch# configure terminal Switch(config)# router isis Switch(config-router)# net 49.0001.0001.0001.0001.00 Switch(config-router)# set-overload-bit on-startup 100 suppress interlevel external Switch(config-router)# 51-35 show ip isis route This command is used to display the IS-IS IP routing table information. show ip isis [AREA-TAG] route Parameters AREA-TAG (Optional) Specifies the tag of a routing process. Default None. Command Mode User/Privileged EXEC Mode. Command Default Level Level: 1. 708
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