Calculate And Design Ip Subnets; Ethernet Connections - Cisco ONS 15454 Troubleshooting Manual

Chapter 1 General Troubleshooting

1.8.14 Calculate and Design IP Subnets

Symptom
Table 1-23
Table 1-23 Calculate and Design IP Subnets
Possible Problem
The IP capabilities of
the ONS 15454 require
specific calculations to
properly design IP
subnets.

1.8.15 Ethernet Connections

Symptom
Table 1-24
Table 1-24 Calculate and Design IP Subnets
Possible Problem
Improperly seated
connections.
Incorrect connections.
Figure 1-31 Ethernet Connectivity Reference
Device "A"
192.168.1.25
255.255.255.0
VLAN #1 Member
Device "C"
192.168.1.50
255.255.255.0
VLAN #1 Member
November 2004
You cannot calculate or design IP subnets on the ONS 15454.
describes the possible problem and the solution.
Solution
Cisco provides a free online tool to calculate and design IP subnets. Go to
http://www.cisco.com/techtools/ip_addr.html. For information about
ONS 15454 IP capability, refer to the Cisco ONS 15454 Reference Manual.
Ethernet connections appear to be broken or are not working properly.
describes the possible problem and the solution.
Solution
You can fix most connectivity problems in an Ethernet network by following
a few guidelines. See
Ethernet Connections" procedure on page
ONS Node #1
Port #1 VLAN #1
Port #3 VLAN #1
Figure 1-31 when using the steps in the
Virtual
LAN # 1
ONS Node #2
Port #1 VLAN #1
Port #2 VLAN #1
Cisco ONS 15454 Troubleshooting Guide, R4.6
1.8.14 Calculate and Design IP Subnets
"Verify
1-84.
Device "B"
192.168.1.75
255.255.255.0
VLAN #1 Member
Device "D"
192.168.1.100
255.255.255.0
VLAN #1 Member
1-83