3com MSR 20-20 참조 매뉴얼

다운로드
페이지 2742
2022
C
HAPTER
 133: NAT C
ONFIGURATION
 C
OMMANDS
display nat connection-limit
Syntax
display nat connection-limit [ source src-address { mask | mask-length } ] 
destination dst-address { mask | mask-length } ]  [ destination-port { eq | gt | lt | neq 
| range 
port-number ] [ vpn-instance vpn-instance-name ]
View
Any view
Parameter
source src-address: Displays the connection-limit statistics of a specified source 
address.
destination dst-address: Displays the connection-limit statistics of a specified 
destination address.
mask: Network mask.
Interface:Ethernet1/0, Protocol:6(tcp),
[global] 202.110.10.10: 8080 [local] 
10.110.10.10: 80(www) 
An internal server, a WWW server, is 
configured on interface Ethernet 1/0. Its 
internal address and port number are 
10.110.10.10 and 80 respectively. Its 
external address and port number are 
202.110.10.10 and 8080 respectively. The 
protocol used is TCP. 
NAT static information: 
Information about static NAT: 
There are currently 2 static table(s) 
There are currently 2 static NAT entries. 
GlobalAddr External 
IP 
address 
InsideAddr 
Internal IP address 
Vpn-instance 
Layer 3 VPN to which the internal IP 
address belongs 
tcp ---- aging-time value is 86400 (seconds) 
The aging time for TCP is 86,400 seconds. 
udp ---- aging-time value is 300 (seconds) 
The aging time for UDP is 300 seconds. 
icmp ---- aging-time value is 60 (seconds) 
The aging time for ICMP is 60 seconds. 
pptp ---- aging-time value is 86400 (seconds) 
The aging time for PPTP is 86,400 seconds. 
dns ---- aging-time value is 60 (seconds) 
The aging time for DNS is 60 seconds. 
tcp-fin ---- aging-time value is 60 (seconds) 
The aging time for TCP fin or rst is 60 
seconds. 
tcp-syn ---- aging-time value is 3600 (seconds) 
The aging time for TCP syn is 3,600 
seconds. 
ftp-ctrl ---- aging-time value is 7200 (seconds) 
The aging time for FTP ctrl is 7,200 
seconds. 
ftp-data ---- aging-time value is 300 (seconds) 
The aging time for FTP data is 300 seconds. 
NAT log information: 
NAT log information 
log enable: enable acl 2000 
Logging data flows matching acl 2000 
flow-begin: enable 
Logging newly established sessions 
flow-active: 10(minutes) 
Interval in logging active flows (10 
minutes)
Table 525   Description on some fields of the display nat all command
Field Description