AOS-CX & IP-SLA POC
Transcript of AOS-CX & IP-SLA POC
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AOS-CX & IP-SLA POC
ADOLFO BOLIVARMAY 2020
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Customer Requirements
• Two path:, Active – Standby links
• NQA or IP-SLA must be used to select the path.• Switch detects failure -> Change to standby link automatically. • Automatic fallback to ppal link (when available).
• Dynamic routing cannot be used.
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Topology
1/1/1
1/1/2
1/1/1
SW1
SW2
SW3
SW4
1/1/2
1/1/21/1/1
192.168.1.5 192.168.2.5
1/1/1
1/1/2
10.10.12.0/30
10.10.13.0/30 10.10.34.0/30
10.10.24.0/30
vrf mgmtSW1: 172.16.0.101SW2: 172.16.0.102SW3: 172.16.0.103SW4: 172.16.0.104PC1: 172.16.0.108PC2: 172.16.0.109
1/1/3 1/1/3Virtual.10.03.0020
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SW1 configuration
WAN - ppal
WAN - backup
backup routeMain route
Syslog server
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IP-SLA ppal
1/1/1
SW1
SW2
SW3
SW4
192.168.1.5 192.168.2.5
SW1ip-sla ppal
icmp-echo 10.10.24.2 source 1/1/1 payload-size 400 probe-interval 10 start-test
10.10.24.2
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Test connectivity between PC1 and PC2 – ppal link
SW1SW2SW4
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IP-SLA backup
1/1/2
SW1
SW2
SW3
SW4
192.168.1.5 192.168.2.5
SW1ip-sla backup
icmp-echo 10.10.34.2 source 1/1/2 payload-size 400 probe-interval 10start-test
10.10.34.2
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Test connectivity between PC1 and PC2 – backup link
Manual config change to backup link
SW1SW3SW4
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IP-SLA LAN2LAN
SW1
SW2
SW3
SW4
192.168.1.5 192.168.2.5
SW1ip-sla LAN2LAN
icmp-echo 192.168.2.1 source 1/1/3 payload-size 400 probe-interval 10 start-test
192.168.2.11/1/3
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IP-SLA Guidelines – AOS CX v10.4
- “ArubaOS-CX supports only SLA configuration through CLI and thresholds can be configured using NAE agents using WebUI/REST.”
- “ArubaOS-CX supports only forever test.”
- “NAE agents must be triggered for each IP-SLA test on every switch.”
- “Predefined actions are action functions that are built in to the Aruba Network Analytics Engine framework. These functions enable the agents of a script to:
- Execute CLI commands in the ArubaOS-CX network operating system ().- Send messages to the system log.”
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Install the conectivity_monitor script
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LAN2LAN IP-SLA Agent
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LAN2LAN IP-SLA Agent
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WAN-Backup IP-SLA Agent
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WAN-Backup IP-SLA Agent
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Download the conectivity_monitor script
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Edit the conectivity_monitor script, rename it
New name
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Edit the conectivity_monitor script, save it
When alert is removed, enter the static IP route
When alert changes to critical, remove the static IP route
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Click to upload a script
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Select the script
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Click on “upload”
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WAN-PPAL IP-SLA Agent
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WAN-PPAL IP-SLA Agent
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Test configuration
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SW2: int 1/1/1 shutdownppal link failure
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Backup link being used
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SW2: int 1/1/1 no shutdownppal link up
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Main link being usedConfig change applied
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Syslogs collected
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References
- https://community.hpe.com/t5/comware-based/policy-based-routing-with-tracking-nqa/td-p/7008226#.XrnmKhNKjq0
- conectivity_monitor v1.1 https://ase.arubanetworks.com/solutions/id/247
- ArubaOS-CX 10.04 Monitoring Guide 8320, 8325 Switch Series.
- ArubaOS-CX 10.04 Network Analytics Engine Guide6200, 6300, 6400, 8320, 8325, 8400 Switch Series
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Thanks!