BigIron RX Series Configuration Guide
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Globally configuring IS-IS on a device
29
Syntax: [no] is-type level-1 | level-1-2 | level-2
The level-1 | level-1-2 | level-2 parameter specifies the IS-IS type. If you want to re-enable support
for both IS-IS types, re-enter the command you entered to change the IS-IS type, and use “no” in
front of the command.
To change the IS-IS on an interface, refer to
“Changing the IS-IS level on an interface”
on page 900.
Disabling or re-enabling display of hostname
Brocade’s implementation of IS-IS supports RFC 2763, which describes a mechanism for mapping
IS-IS system IDs to the hostnames of the devices with those IDs. For example, if you set the
hostname on the device to “IS-IS Router 1”, the mapping feature uses this name instead of the
BigIron RX’s IS-IS system ID in the output of the following commands.
•
show isis database
•
show isis interface
•
show isis neighbor
The BigIron RX’s hostname is displayed in each CLI command prompt, for example.
BigIron RX(config-isis-router)#
The name mapping feature is enabled by default. If you want to disable name mapping, enter the
following command.
BigIron RX(config-isis-router)# no hostname.
Syntax: [no] hostname
To display the name mappings, enter the show isis hostname command.
Changing the sequence numbers PDU interval
A
Complete Sequence Numbers PDU (CSNP)
is a complete list of the LSPs in the Designated IS’ link
state database. The CSNP contains a list of all the LSPs in the database, as well as other
information that helps IS neighbors determine whether their LSP databases are in sync with one
another. The Designated IS sends CSNPs to the broadcast interface. Level-1 and Level-2 each have
their own Designated IS.
A
Partial Sequence Numbers PDU (PSNP)
is a partial list of LSPs. ISs other than the Designated IS
(that is, the non-Designated ISs) send PSNPs to the broadcast interface.
The CSNP interval specifies how often the Designated IS sends a CSNP to the broadcast interface.
Likewise, the PSNP interval specifies how often other ISs (non-Designated ISs) send a PSNP to the
broadcast interface.
The interval you can configure on the device applies to both Level-1 and Level-2 CSNPs and PSNPs.
The default interval is 10 seconds. You can set the interval to a value from 0 – 65535 seconds.
To change the interval, enter a command such as the following.
BigIron RX(config-isis-router)# csnp-interval 15
Syntax: [no] csnp-interval
<secs>
The
<secs>
parameter specifies the interval and can be from 0 – 65535 seconds. The default is
10 seconds.
Содержание Brocade DCX
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