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  • Check Sending Link Changes
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Check Sending Link Changes

This scenario shows how to configure a ‘trap-target‘ to send linkDown and linkUp notifications. In addition, the SNMP ‘service snmp monitor traps’ command is checked.

../../../../_images/dummy.svg

Test SNMPv1 Send Traps

Description

A ‘trap-target‘ is configured to send linkDown and linkUp traps for a community in DUT0 and the ‘monitor’ command is used to check sending notifications in SNMPv1.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces dummy dum0 address 20.0.0.1/24
set service snmp community COMMUNITY2TEST
set service snmp trap-target 10.0.0.2 version v1 community COMMUNITY2TEST
set service snmp trap-target 10.0.0.2 version v1 source 10.0.0.1

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.0.0.2/24

Note

First, no trap is received in DUT1, since DUT0 does not have any ‘notify-trap’ configured and therefore does not send them.

Step 3: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 4: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 5: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 6: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled. And these traps must be received in DUT1.

Step 7: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-down

Step 8: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 9: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 10: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 11: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ and ‘link-up’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled and also when it is enabled. And these traps must be received in DUT1.

Step 12: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-up

Step 13: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 14: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 15: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 16: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring in DUT0 only the sending of ‘link-up’ traps, it must send traps when the ‘dum0’ interface is enabled. And these traps must be received in DUT1.

Step 17: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-down

Step 18: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 19: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 20: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 21: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When DUT0 is configured not to send ‘link-down’ or ‘link-up’ traps. No traps should be received on DUT1 when the ‘dum0’ interface is disabled and enabled.

Step 22: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-up
set service snmp community COMMUNITY2TEST

Step 23: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 24: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 25: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 26: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Test SNMPv2c Send Traps

Description

A ‘trap-target‘ is configured to send linkDown and linkUp traps for a community in DUT0 and the ‘monitor’ command is used to check sending notifications in SNMPv2c.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces dummy dum0 address 20.0.0.1/24
set service snmp community COMMUNITY2TEST
set service snmp trap-target 10.0.0.2 version v2c community COMMUNITY2TEST

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.0.0.2/24

Note

First, no trap is received in DUT1, since DUT0 does not have any ‘notify-trap’ configured and therefore does not send them.

Step 3: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 4: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 5: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 6: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled. And these traps must be received in DUT1.

Step 7: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-down

Step 8: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 9: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 10: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 11: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ and ‘link-up’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled and also when it is enabled. And these traps must be received in DUT1.

Step 12: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-up

Step 13: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 14: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 15: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 16: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring in DUT0 only the sending of ‘link-up’ traps, it must send traps when the ‘dum0’ interface is enabled. And these traps must be received in DUT1.

Step 17: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-down

Step 18: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 19: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 20: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 21: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When DUT0 is configured not to send ‘link-down’ or ‘link-up’ traps. No traps should be received on DUT1 when the ‘dum0’ interface is disabled and enabled.

Step 22: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-up
set service snmp community COMMUNITY2TEST

Step 23: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 24: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 25: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 26: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Test SNMPv2c Send Informs

Description

A ‘trap-target‘ is configured to send linkDown and linkUp informs for a community in DUT0 and the ‘monitor’ command is used to check sending notifications in SNMPv2c.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces dummy dum0 address 20.0.0.1/24
set service snmp community COMMUNITY2TEST
set service snmp trap-target 10.0.0.2 version v2c community COMMUNITY2TEST
set service snmp trap-target 10.0.0.2 version v2c type inform

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.0.0.2/24

Note

First, no trap is received in DUT1, since DUT0 does not have any ‘notify-trap’ configured and therefore does not send them.

Step 3: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 4: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 5: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 6: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled. And these traps must be received in DUT1.

Step 7: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-down

Step 8: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 9: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 10: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 11: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ and ‘link-up’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled and also when it is enabled. And these traps must be received in DUT1.

Step 12: Set the following configuration in DUT0:

set service snmp community COMMUNITY2TEST notify-traps link-up

Step 13: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 14: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 15: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 16: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring in DUT0 only the sending of ‘link-up’ traps, it must send traps when the ‘dum0’ interface is enabled. And these traps must be received in DUT1.

Step 17: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-down

Step 18: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 19: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 20: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 21: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When DUT0 is configured not to send ‘link-down’ or ‘link-up’ traps. No traps should be received on DUT1 when the ‘dum0’ interface is disabled and enabled.

Step 22: Set the following configuration in DUT0:

del service snmp community COMMUNITY2TEST notify-traps link-up
set service snmp community COMMUNITY2TEST

Step 23: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 24: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 25: Run command service snmp monitor traps community COMMUNITY2TEST `` at ``DUT1.

Step 26: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Test SNMPv3 Send Traps

Description

A ‘trap-target‘ is configured to send linkDown and linkUp traps for a user in DUT0 and the ‘monitor’ command is used to check sending notifications in SNMPv3.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces dummy dum0 address 20.0.0.1/24
set service snmp user USER2TEST
set service snmp trap-target 10.0.0.2 version v3 user USER2TEST
set service snmp engine-id 0x80000009010a0101c1

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.0.0.2/24

Note

First, no trap is received in DUT1, since DUT0 does not have any ‘notify-trap’ configured and therefore does not send them.

Step 3: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 4: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 5: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 6: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled. And these traps must be received in DUT1.

Step 7: Set the following configuration in DUT0:

set service snmp user USER2TEST notify-traps link-down

Step 8: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 9: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 10: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 11: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ and ‘link-up’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled and also when it is enabled. And these traps must be received in DUT1.

Step 12: Set the following configuration in DUT0:

set service snmp user USER2TEST notify-traps link-up

Step 13: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 14: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 15: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 16: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring in DUT0 only the sending of ‘link-up’ traps, it must send traps when the ‘dum0’ interface is enabled. And these traps must be received in DUT1.

Step 17: Set the following configuration in DUT0:

del service snmp user USER2TEST notify-traps link-down

Step 18: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 19: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 20: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 21: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When DUT0 is configured not to send ‘link-down’ or ‘link-up’ traps. No traps should be received on DUT1 when the ‘dum0’ interface is disabled and enabled.

Step 22: Set the following configuration in DUT0:

del service snmp user USER2TEST notify-traps link-up
set service snmp user USER2TEST

Step 23: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 24: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 25: Run command service snmp monitor traps user USER2TEST engine-id 0x80000009010a0101c1 at DUT1.

Step 26: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Test SNMPv3 Send Informs

Description

A ‘trap-target‘ is configured to send linkDown and linkUp informs for a user in DUT0 and the ‘monitor’ command is used to check sending notifications in SNMPv3.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces dummy dum0 address 20.0.0.1/24
set service snmp user USER2TEST
set service snmp trap-target 10.0.0.2 version v3 user USER2TEST
set service snmp trap-target 10.0.0.2 version v3 type inform

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.0.0.2/24

Note

First, no trap is received in DUT1, since DUT0 does not have any ‘notify-trap’ configured and therefore does not send them.

Step 3: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 4: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 5: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 6: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled. And these traps must be received in DUT1.

Step 7: Set the following configuration in DUT0:

set service snmp user USER2TEST notify-traps link-down

Step 8: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 9: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 10: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 11: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring the sending of ‘link-down’ and ‘link-up’ traps in DUT0, it must send traps when the ‘dum0’ interface is disabled and also when it is enabled. And these traps must be received in DUT1.

Step 12: Set the following configuration in DUT0:

set service snmp user USER2TEST notify-traps link-up

Step 13: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 14: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 15: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 16: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When configuring in DUT0 only the sending of ‘link-up’ traps, it must send traps when the ‘dum0’ interface is enabled. And these traps must be received in DUT1.

Step 17: Set the following configuration in DUT0:

del service snmp user USER2TEST notify-traps link-down

Step 18: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 19: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 20: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 21: Set the following configuration in DUT0:

del interfaces dummy dum0 disable

Note

When DUT0 is configured not to send ‘link-down’ or ‘link-up’ traps. No traps should be received on DUT1 when the ‘dum0’ interface is disabled and enabled.

Step 22: Set the following configuration in DUT0:

del service snmp user USER2TEST notify-traps link-up
set service snmp user USER2TEST

Step 23: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 24: Set the following configuration in DUT0:

set interfaces dummy dum0 disable

Step 25: Run command service snmp monitor traps user USER2TEST `` at ``DUT1.

Step 26: Set the following configuration in DUT0:

del interfaces dummy dum0 disable
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