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Verifying DLSw
Configuration
To verify DLSw configuration, perform these tasks:
Displaying LLC Type
2 Properties on a Fast Ethernet Interface
Purpose
Verify the configuration of LLC type 2 properties on a Fast Ethernet
interface.
Action
From the CLI, enter the show interfaces fe-3/0/0 command.
user@host# show interfaces fe-3/0/0
fe-3/0/0 {
unit 0 {
family inet{
address 172.5.20.1/24;
}
family llc2}
}
}
What it Means
Verify that the output shows the intended LLC type 2 configuration.
For more information about the format of a configuration file, see the J-series Services Router Basic LAN and WAN Access Configuration Guide.
Displaying DLSw Capabilities
Purpose
Verify DLSw capabilities of remote DLSw peers.
Action
From the CLI, enter the show dlsw capabilities command.
| |
user@host> show dlsw capabilities
Peer: 50.50.50.50
Vendor ID :000585
Version number :0200
Initial pacing window size :32
Version String
Juniper Networks, Inc. j2300 internet router
JUNOS Software Release 7.4I0 [builder]
Build date: 2005-07-15 07:13:17 UTC
Copyright (c) 1996-2005 Juniper Networks,Inc.
Compiled Wed 26–Jan-05 02:49 by pwade
|
What it Means
Verify that the output correctly displays the capabilities of remote
DLSw peers.
Displaying DLSw Circuit
State
Purpose
Display DLSw circuits currently established after configuration in Configuring Basic
DLSw (Required).
Action
From the CLI, enter the show dlsw circuits command.
| |
user@host> show dlsw circuits
Local address LSAP Remote address DSAP Peer Uptime
22:22:00:00:00:06 04 44:44:00:00:00:06 04 18.255.18.2 00:06:42
|
What it Means
The output shows a summary of DLSw circuits. Verify that the information
is correct for your DLSw network.
-
Local address—MAC address of the local DLSw peer
-
LSAP—Number of the local service access point
-
Remote address—MAC address of the remote DLSw peer
-
DSAP—Number of the destination service access point
-
Peer (or remote peer address)—IP address of the
remote DLSw peer
-
Uptime—How long the circuit has been established
Displaying
Details of a DLSw Circuit State
Purpose
Display the details of DLSw circuits currently established after configuration
in Configuring Basic
DLSw (Required).
Action
From the CLI, enter the show dlsw circuits detail command.
| |
user@host> show dlsw circuits detail
Circuit ID: 9ad20498aa04
Local address: 22:22:00:00:00:06, LSAP: 04
Remote address: 44:44:00:00:00:06, DSAP: 04
Remote peer address: 18.255.18.2
Circuit state: Connected
Uptime: 00:09:02
Max BTU size: 1466
Circuit priority: 3
Statistics:
I-frames received : 0
I-frames sent : 0
Bytes in I-frames received : 0
Bytes in I-frames sent : 0
I frames rejected : 0
Bytes in I-frames rejected : 0
I-frames retransmitted : 0
Bytes in retransmitted I-frames : 0
Reject frames received : 0
Reject frames sent : 0
XID frames received : 2
XID frames sent : 2
|
What it Means
In addition to the local and remote MAC addresses, the priority, the
maximum basic transmission unit (BTU) size, and the statistics are displayed.
Displaying
DLSw Peers
Purpose
Display information about the DLSw peers on the network.
Action
From the CLI, enter the show dlsw peers brief command.
| |
user@host> show dlsw peers brief
Peer State Circuits Uptime
17.255.17.2 Connected 0 00:00:00
18.255.18.2 Connected 1 00:12:03
|
What it Means
The output displays the number of active or inactive DLSw peers.
Displaying
Details of DLSw Peers
Purpose
Display detailed information about DLSw peers on a network.
Action
From the CLI, enter the show dlsw peers detail command.
| |
user@host> show dlsw peers detail
Peer: 18.255.18.2
State: Connected, Circuits: 1, Local address: 10.255.4.50
Uptime: 00:15:05
Receive initial pacing: 20, No circuits timeout: 0
Type-of-service value: 0
Peer cost: 100, Load balancing: Circuit Weight
Circuit weight: 2
Statistics:
Data packets received : 0
Data packets sent : 0
Data bytes received : 0
Data bytes sent : 0
Control packets received : 7
Control packets sent : 8
CANUREACH_ex received : 0
CANUREACH_ex sent : 1
ICANREACH_ex received : 1
ICANREACH_ex sent : 0
|
What it Means
The output displays the DLSw peer state and the following statistics:
-
Packets received—Number of packets received from
DLSw peers
-
Packets sent—Number of packets sent to the DLSw
peers
-
Bytes received—Number of bytes received from DLSw
peers
-
Bytes sent—Number of bytes sent to the DLSw peers
-
CANUREACH_ex received—Number of exploratory messages
received from remote DLSw peers
-
CANUREACH_ex sent—Number of exploratory messages
sent to remote DLSw peers
-
ICANREACH_ex received—Number of confirmation messages
received from remote DLSw peers
-
ICANREACH_ex sent—Number of confirmation messages
sent to remote DLSw peers
Displaying
DLSw Reachability Information
Purpose
Display information about the MAC cache entries and peer IP addresses
currently maintained on the DLSw router.
Action
From the CLI, enter the show dlsw reachability command.
| |
user@host> show dlsw reachability
MAC index MAC address Location Peer/Interface
0 44:44:00:00:00:06 remote 192.168.17.2
192.168.18.2
1 22:22:00:00:00:06 local fe-0/0/1.0
|
What it Means
The output displays the DLSw reachability details:
-
MAC index—Number assigned to the DLSw peer
-
MAC address—MAC address of the DLSw peer
-
Location—Local or remote peer
-
Peer/interface—Interface location of the local
DLSw peer or IP address of the remote DLSw peer
Displaying DLSw Ethernet Redundancy
Properties
Purpose
Display information about the DLSw Ethernet redundancy state.
Action
From the CLI, enter the show llc2 redundancy brief command.
| |
user@host> show llc2 redundancy brief
Interface Unit Group Int state ER state
fe-0/0/0.0 0 0 up backup
|
What it Means
The output displays the state of the group and the interface. It also
indicates if the router is the master router or the backup router.
Displaying DLSw Ethernet Redundancy
Statistics
Purpose
Display statistics about the number of keepalives sent and received
as well as errors detected.
Action
From the CLI, enter the show llc2 redundancy interface statistics command.
| |
user@host> show llc2 redundancy interface statistics
Interface: fe-0/0/0.0, Index: 68, Group:0
Interface ERED PDU statistics
Advertisement sent :0
Advertisement received :33240
Interface ERED PDU error statistics
Invalid ERED TTL value received :0
|
What it Means
The output displays the number of advertisements sent and received as
well as any invalid Ethernet redundancy time-to-live (TTL) packets.
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