R3721-F3210-F3171-HP High-End Firewalls System Management and Maintenance Configuration Guide-6PW101

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Device information ······················································································································································· 1
Displaying device information ········································································································································· 1
Device info ································································································································································ 1
System resource state ··············································································································································· 2
Device interface information ··································································································································· 2
Recent system logs ···················································································································································· 2
Using ping, tracert, and system debugging ··············································································································· 4
Ping ····················································································································································································· 4
Executing the ping operation in the Web interface ······························································································ 4
Executing the ping operation at the CLI ················································································································· 6
Tracert ················································································································································································ 6
Executing the tracert operation in the Web interface ·························································································· 7
Executing the tracert operation at the CLI ·············································································································· 8
System debugging ···························································································································································· 8
Debugging information control switches················································································································ 9
Debugging a feature ················································································································································ 9
System maintenance and debugging examples ········································································································· 10
Ping example ························································································································································· 10
Ping and tracert example ····································································································································· 12
Configuring IP performance optimization ················································································································ 14
Enabling forwarding of directed broadcasts to a directly connected network ······················································· 14
Configuration procedure ······································································································································ 14
Configuration example ········································································································································· 14
Configuring TCP attributes ············································································································································ 15
Configuring TCP MSS for the interface ··············································································································· 15
Configuring TCP path MTU discovery ················································································································· 16
Configuring the TCP send/receive buffer size ··································································································· 17
Configuring TCP timers ········································································································································· 17
Configuring ICMP to send error packets ····················································································································· 18
Advantages of sending ICMP error packets ······································································································· 18
Disadvantages of sending ICMP error packets ·································································································· 19
Configuration procedure ······································································································································ 19
Setting the packet forwarding mode ···························································································································· 19
Displaying and maintaining IP performance optimization ························································································ 20
Managing the file system ·········································································································································· 21
Managing files ······························································································································································· 21
Displaying file information ··································································································································· 21
Displaying file contents ········································································································································· 21
Renaming a file ······················································································································································ 22
Copying a file ························································································································································ 22
Moving a file ·························································································································································· 22
Deleting a file ························································································································································· 22
Restoring a file from the recycle bin ···················································································································· 22
Emptying the recycle bin ······································································································································ 23
Calculating file digest ··········································································································································· 23
Managing directories ···················································································································································· 23
Displaying directory information ························································································································· 23