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Cisco IR829 Integrated Services Router Hardware Installation Guide
Chapter 5 Guest Operating System (Guest OS) Installation and Configuration
Troubleshooting
Pro Inside global Inside local Outside local Outside global
tcp 9.1.1.131:22 192.168.1.2:22 9.1.1.3:53649 9.1.1.3:53649
tcp 9.1.1.131:60100 192.168.1.2:60100 9.1.1.3:22 9.1.1.3:22
--- 9.1.1.131 192.168.1.2 --- ---
Troubleshooting
To determine common causes of configuration failure, enter the following commands:
Checking Connectivity
Use standard Linux tools (for example, ping and traceroute) to check Guest OS connectivity.
Related Documentation
Find Cisco 1000 Series Connected Grid Routers product documentation at:
www.cisco.com/go/cgr1000-docs.
Find Connected Grid Modules for Cisco 1000 Series Connected Grid Routers documentation at:
www.cisco.com/go/cg-modules
Command Purpose
ifconfig eth0 Checks if Guest OS is assigned an IP address. The
following is example output:
eth0 Link encap:Ethernet HWaddr 02:00:03:f1:cd:05
inet addr:9.1.2.2 Bcast:0.0.0.0 Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:684 (684.0 B) TX bytes:894 (894.0 B)
[GOS]#
netstat -r Displays the Guest OS route table. The following
is example output:
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
default 9.1.2.1 0.0.0.0 UG 0 0 0 eth0
9.1.2.0 * 255.255.255.0 U 0 0 0 eth0
[GOS]#
show ip arp Verifies that Cisco IOS learned Guest OS ARP
mapping.The following is example output:
Protocol Address Age (min) Hardware Addr Type Interface
Internet 9.1.1.1 - 0022.bdef.c562 ARPA GigabitEthernet0
Internet 9.1.2.1 - 0022.bdef.c569 ARPA GigabitEthernet5
Internet 9.1.2.2 112 0022.bdef.c56d ARPA GigabitEthernet5
IR800#
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