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eg-253:networkq:darryl [2011/05/19 10:08] – [Question 10] eechriseg-253:networkq:darryl [2011/05/19 10:15] (current) – [Question 24] eechris
Line 79: Line 79:
  
  
 +**Comment**
  
 +No, Ethernet!
 ==== Question 6 ==== ==== Question 6 ====
  
Line 217: Line 219:
    gw-saturn.icct.com     gw-saturn.icct.com
  
 +**Comment**
 +
 +This is the name of the interface on the WAN side of the router. ''saturn'' or ''saturn-if2'' is the name of the interface on the LAN side which is //your network's// gateway interface.
 ==== Question 13 ==== ==== Question 13 ====
  
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 +**Comment** You all got this wrong! You have defined C-GI which has nothing to do with routing!
  
  
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-icct@titan:~$ route +  icct@titan:~$ route 
-Kernel IP routing table +  Kernel IP routing table 
-Destination     Gateway         Genmask         Flags Metric Ref    Use Iface +  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface 
-saturn-net      *               255.255.255.0            0        0 eth0 +  saturn-net      *               255.255.255.0            0        0 eth0 
-link-local      *               255.255.0.0         1000          0 eth0 +  link-local      *               255.255.0.0         1000          0 eth0 
-default         saturn.icct.com 0.0.0.0         UG    100    0        0 eth0+  default         saturn.icct.com 0.0.0.0         UG    100    0        0 eth0
  
 ==== Question 15 ==== ==== Question 15 ====
Line 288: Line 293:
  
  ip_forward=yes  ip_forward=yes
-spoofprotect=yes+ spoofprotect=yes
  
 +**Comment**
 +
 +Actually it's the first line! The second line is for scurity.
 ==== Question 19 ==== ==== Question 19 ====
  
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 **Answer**:  **Answer**: 
  
-up route add -net 192.168.3.0 netmask 255.255.255.0 gw 192.168.1.4 +  up route add -net 192.168.3.0 netmask 255.255.255.0 gw 192.168.1.4 
-down route del -net 192.168.3.0 netmask 255.255.255.0 gw 192.168.1.4+  down route del -net 192.168.3.0 netmask 255.255.255.0 gw 192.168.1.4
  
 ===== Checking Your Network ===== ===== Checking Your Network =====
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 **Answer** **Answer**
 +
 <cli prompt="$" comment="#"> <cli prompt="$" comment="#">
 icct@titan:~$ netstat -i icct@titan:~$ netstat -i
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 eth0       1500 0     31495      0      0 0         13948      0      0      0 BMRU eth0       1500 0     31495      0      0 0         13948      0      0      0 BMRU
 lo        16436 0       241      0      0 0           241      0      0      0 LRU lo        16436 0       241      0      0 0           241      0      0      0 LRU
 +</cli>
  
 Add your explanation here. Add your explanation here.
Line 349: Line 358:
  
 **Answer** **Answer**
-icct@titan:~$ netstat -ta +  icct@titan:~$ netstat -ta 
-Active Internet connections (servers and established) +  Active Internet connections (servers and established) 
-Proto Recv-Q Send-Q Local Address           Foreign Address         State       +  Proto Recv-Q Send-Q Local Address           Foreign Address         State       
-tcp        0      0 *:www                   *:                    LISTEN      +  tcp        0      0 *:www                   *:                    LISTEN      
-tcp        0      0 titan:ipp               *:                    LISTEN      +  tcp        0      0 titan:ipp               *:                    LISTEN      
-tcp        0      0 titan:mysql             *:                    LISTEN      +  tcp        0      0 titan:mysql             *:                    LISTEN      
-tcp6            0 localhost:ipp           [::]:                 LISTEN  +  tcp6            0 localhost:ipp           [::]:                 LISTEN  
  
 Add your explanation here. Add your explanation here.
Line 372: Line 381:
 **Answer** **Answer**
  
-icct@titan:~$ traceroute 192.168.3.4 +  icct@titan:~$ traceroute 192.168.3.4 
-traceroute to 192.168.3.4 (192.168.3.4), 30 hops max, 60 byte packets +  traceroute to 192.168.3.4 (192.168.3.4), 30 hops max, 60 byte packets 
-  titan.saturn.icct.com (192.168.3.4)  0.028 ms  0.007 ms  0.007 ms+   1  titan.saturn.icct.com (192.168.3.4)  0.028 ms  0.007 ms  0.007 ms
  
  
Line 386: Line 395:
 **Answer** **Answer**
  
 +<cli prompt='$' comment="#">
 icct@titan:~$ traceroute www.swan.ac.uk icct@titan:~$ traceroute www.swan.ac.uk
 traceroute to www.swan.ac.uk (137.44.1.7), 30 hops max, 60 byte packets traceroute to www.swan.ac.uk (137.44.1.7), 30 hops max, 60 byte packets
Line 418: Line 428:
 29  * * * 29  * * *
 30  * * * 30  * * *
 +</cli>
  
    
eg-253/networkq/darryl.1305799704.txt.gz · Last modified: 2011/05/19 10:08 by eechris