3Com Switch 8800 Configuration Guide
Chapter 20 Integrated IS-IS Configuration
20-21
Table 20-26
Set to discard the LSPs with checksum errors
Operation
Command
Set to discard the LSP with checksum error
ignore-lsp-checksum-error
Set to ignore the LSP checksum error
undo ignore-lsp-checksum-error
By default, the LSP checksum error is ignored.
20.2.20 Setting to Log the Peer Changes
After peer changes log is enabled, the IS-IS peer changes will be output on the
configuration terminal until the log is disabled.
Perform the following configuration in IS-IS view.
Table 20-27
Set to log the peer changes
Operation
Command
Enable peer changes log
log-peer-change
Disable peer changes log
undo log-peer-change
By default, the peer changes log is disabled.
20.2.21 Setting LSP Refreshment Interval
In order to ensure that the LSPs in the whole area can maintain the synchronization, all
the current LSPs will be transmitted periodically.
Perform the following configuration in IS-IS view.
Table 20-28
Set LSP refreshment interval
Operation
Command
Set LSP refreshment interval
timer lsp-refresh
seconds
Restore the default LSP refreshment interval
undo
timer lsp-refresh
By default, LSP is refreshed every 900 seconds (15 minutes).
20.2.22 Setting Lifetime of LSP
When a router generates the LSP of the system, it will fill in the maximum lifetime of this
LSP. When other routers receive this LSP, its life time will be reduced continuously as
the time goes. If updated LSP has not been received before the old one times out, this
LSP will be deleted from the LSDB.
