5-9
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:
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#
