Juniper-networks JUNOS OS 10.4 Manual de usuario descargar pdf (Pagina 196)

Interface Vlan STP Index Bridge Domain

ge-2/0/4 500 46 default—switch/bd500

ge-2/0/8 500 47 default-switch/bd500

ge-2/0/4 600 46 default—switch/bd600

ge-2/0/8 600 47 default-switch/bd600

Meaning The output displayed shows the ring interfaces ge-2/0/4 and ge-2/0/8 in protection

groups ring-1 and ring-2. For ring-1, VLAN 200 and VLAN 300 are being supported on both

STP Index 44 and 45 on bridge domains bd200 and bd300. For ring-2, VLAN 500 and

VLAN 600 are being supported on both STP Index 46 and 47 on bridge domains bd500

and bd600. The data channel controls the traffic on the VLAN IDs to facilitate load

balancing.

Verifying the Ethernet Protection Ring on AS1

Purpose Verify that ERP is enabled on AS1.

Action Show the status of the ring APS (R-APS) messages to determine if there is a ring failure:

user@as1> show protection-group ethernet-ring aps

Ethernet Ring Name Request/state No Flush Ring Protection Originator Remote

Node ID

Link Blocked

Ring-1 NR No Yes No

00:21:59:03:ff:d0

Ring-2 NR No Yes No

13:22:af:31:fc:00

Meaning The output displayed shows that protection groups ring-1 and ring-2 have a Request/state

of NR, meaning there is no request for APS on the ring. If a Request/state of SF is displayed,

it indicates there is a signal failure on the ring. The output also shows that the ring

protection link is not blocked. The No Flush field displays No, indicating that MAC

addresses will be flushed when the ring nodes receive this message first time. A value of

Yes would indicate MAC address flushing is not needed. The Originator field for ring-1 and

ring-2 displays No, indicating that this node is not the R-APS originator.

Verifying the Data Channels on AS1

Purpose Verify the forwarding state of the data channel.

Action List the interfaces acting as the control channels and their respective data channels

(represented by the STP index number):

user@as1>show protection-group ethernet-ring data-channel

Ethernet ring data channel parameters for protection group ring-1

Interface STP index Forward State

ge-2/0/5 22 forwarding

ge-2/1/1 23 forwarding

Ethernet ring data channel parameters for protection group ring-2

Junos OS 13.1 MX Series 3D Universal Edge Routers Solutions Guide

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Juniper-networks JUNOS OS 10.4 Manual de usuario Pagina 196