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ArubaOS-CX Virtual Switching Extension (VSX) Guide for 10.03
Home
About this document
Applicable products
Latest version available online
About the examples
Switch prompts in examples
Upgrading to the latest version of VSX
Upgrading VSX from 10.02 to 10.03
Upgrading switches by using the vsx update-software command
Upgrading VSX from 10.01 to 10.03
Performing a rolling upgrade
Upgrading both switches at the same time
Getting started with VSX
Benefits of VSX
VSX solution topology overview
VSX LAG
VSF
VSF versus VSX
The common system MAC address
VSX solution requirements
VSX components
Inter-Switch Link (ISL)
ISL configurations
Switch roles
VSX switch reboot
Periodic synchronization
BFD and VSX support
Setting up the VSX environment
VSX in the core layer
Configuring core 1 and core 2 for VSX
Configuring the two aggregate VSX switches
Configuring an ArubaOS-CX switch as an access switch
Enabling VSX configuration synchronization
VSX configuration synchronization
Enabling VSX synchronization at the global level
Enabling VSX synchronization at the context level
Enabling VSX synchronization of STP configurations between VSX peer switches
Monitoring the VSX environment
Ways to view the status of VSX
Consistency checking between VSX switches
Viewing the show commands for both VSX switches from one switch
Preventing traffic loss
Link-up delay
The link-up delay timer during an ISL failure
Split brain scenario
Keepalive
Keepalive response in ISL failure scenarios
Keepalive scenario
Keepalive configurations
Recommended network configuration for keepalive
Active gateway and active forwarding
Active-active layer 2
Active-active layer 3 default gateway
Active gateway over VSX
Active gateway configurations
VRRP with VSX configuration
Active forwarding
Deployment options for upstream connectivity with active-active forwarding
Active forwarding and SVI per VRF
Benefits of active forwarding and active gateway
Virtual active gateway
Supported services on a virtual active gateway SVI
Unsupported services for a virtual active gateway SVI
Sample virtual active gateway configuration
Active-standby DHCP relay
DHCP relay failure if the SVI is down on the primary switch
Split recovery mode
IGMP snooping
DHCP relay backup
IP multicast routing
STP over VSX
Supported STP modes
How STP works with VSX
MSTP
MSTP configurations
Sample configurations for MSTP on VSX
VSX and MSTP loop-protect configurations (physical and logical views)
Show commands for MSTP
MSTP with VSX guidelines
RPVST
Sample RPVST configuration with VSX
VSX switch with RPVST, as root and nonroot
Configuring a VSX switch as root for one or more RPVST instances
Show commands for RPVST
How the Multi-Chassis role works
RPVST with VSX guidelines
Upstream connectivity
Upstream connectivity options
Upstream routing over VSX LAG SVI links
Troubleshooting
ISL is out-of-sync
ISL is in blocking state
Traffic drop on a VSX LAG interface
Traffic loss after the ISL has been out-of-sync and keepalive is down
Failure scenarios and split recovery
BFD reports a LAG as down even when healthy links are still available
VSX commands
active-gateway
config-sync disable
interface lag multi-chassis
inter-switch-link {<PORT-NUM> | lag <LAG-ID>}
inter-switch-link dead-interval
inter-switch-link hello-interval
inter-switch-link hold-time
inter-switch-link peer-detect-interval
ip icmp redirect
keepalive dead-interval
keepalive hello-interval
keepalive peer
keepalive udp-port
lacp fallback
linkup-delay-timer
linkup-delay-timer exclude lag-list
role {primary | secondary}
show interface <VLAN-NAME>
show lacp aggregates
show lacp interfaces
show lacp interfaces multi-chassis
show running-config interface
show running-config vsx
show running-config vsx-sync
show running-config vsx-sync peer-diff
show vsx active-forwarding
show vsx brief
show vsx config-consistency
show vsx config-consistency lacp
show vsx configuration
show vsx configuration split-recovery
show vsx ip data-path
show vsx ip route
show vsx ipv6 data-path
show vsx ipv6 route
show vsx status
show vsx status config-sync
split recovery
system-mac
vsx
vsx-sync
vsx-sync {[access-lists] [qos] [rate-limits] [vlans] [policies] [irdp]}
vsx-sync aaa
vsx active-forwarding
vsx-sync {[active-gateways] [policies]}
vsx-sync bfd-global
vsx-sync copp-policy
vsx-sync dcb-global (8325 series switches only)
vsx-sync dhcp-relay
vsx-sync dhcp-server
vsx-sync dhcpv6-server
vsx-sync dns
vsx-sync lldp
vsx-sync loop-protect-global
vsx-sync mclag-interfaces
vsx-sync qos-global
vsx-sync sflow
vsx-sync snmp
vsx-sync ssh
vsx-sync static-routes
vsx-sync stp-global
vsx-sync time
vsx-sync udp-forwarder
vsx update-software
vsx-sync vsx-global
Websites
Support and other resources
Accessing Hewlett Packard Enterprise Support
Accessing updates
Customer self repair
Remote support
Warranty information
Regulatory information
Documentation feedback
Troubleshooting
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