Displaying ospfv3 gr helper mode information, Displaying ospfv3 nsr information – Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide User Manual

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For example, to display the SPF tree for area 0, enter the following command at any level of the CLI.

device# show ipv6 ospf spf tree area 0

SPF tree for Area 0

+- 10.223.223.223 cost 0

+- 10.223.223.223:88 cost 1

+- 10.1.1.1:0 cost 1

Syntax: show ipv6 opsf spf tree area area-id

The tree keyword displays the SPF table.

The area area-id parameter specifies a particular area. You can specify the area-id in the following
formats:

• As an IPv4 address; for example, 192.168.1.1.
• As a numerical value from 0 through 2,147,483,647.

In this sample output, consider the SPF node with the router ID 10.223.223.223 to be the top (root) of
the tree and the local router. Consider all other layers of the tree (10.223.223.223:88 and 10.1.1.1:0)
to be destinations in the network. Therefore, traffic destined from router 10.223.223.223 to router
10.1.1.1:0 must first traverse router 10.223.223.223:88.

Displaying OSPFv3 GR Helper mode information

Run the show ipv6 ospf command to display information about the graceful restart helper mode

device# (config-ospf6-router)#show ipv6 ospf

OSPFv3 Process number 0 with Router ID 0xa19e0eb(10.25.224.235)

Running 0 days 0 hours 0 minutes 26 seconds

Number of AS scoped LSAs is 0

Sum of AS scoped LSAs Checksum is 0

External LSA Limit is 250000

Database Overflow Interval is 10

Database Overflow State is NOT OVERFLOWED

Route calculation executed 0 times

Pending outgoing LSA count 0

Authentication key rollover interval 300 seconds

Number of areas in this router is 0

High Priority Message Queue Full count: 0

Graceful restart helper is enabled, strict lsa checking is disabled

Nonstop-routing is ENABLED

Displaying OSPFv3 NSR information

Run the show ipv6 ospf command to display information about the NSR support.