HPE Aruba 3810 - Page 14

General operating rules...............................................................................................................341
Steps for provisioning VRRP operation................................................................................................. 343
Basic configuration process........................................................................................................ 343
Example configuration.................................................................................................................344
Associating more than one VIP with a VR.................................................................................. 345
Dynamically changing the priority of the VR.......................................................................................... 345
Failover operation.................................................................................................................................. 346
Pinging the virtual IP of a backup router................................................................................................ 346
Using the Pre-empt Delay Timer (PDT)................................................................................................. 347
When OSPF is also enabled on the VRRP routers.....................................................................347
Configuring the PDT....................................................................................................................347
VRRP preempt mode with LACP and older devices........................................................ 347
What occurs at startup..................................................................................................... 347
Selecting a value for the PDT...........................................................................................348
Possible configuration scenarios.................................................................................................348
PDT=zero seconds...........................................................................................................348
PDT is greater than or equal to the master down time (3 times the advertisement
interval).............................................................................................................................348
PDT is less than the master down time............................................................................348
When the PDT is not applicable..................................................................................................348
Standards compliance........................................................................................................................... 349
Operating notes..................................................................................................................................... 349
Dynamic priority change operating notes....................................................................................350
VRRP-Services enhancements............................................................................................................. 350
show vrrp.................................................................................................................................350
show vrrp config..................................................................................................................351
show vrrp statistics......................................................................................................... 351
show vrrp ipv6 config.......................................................................................................352
show vrrp ipv6 statistics.............................................................................................. 353
VRRP-Show command enhancement................................................................................................... 353
show vrrp summary................................................................................................................353
show vrrp IPv6 summary.....................................................................................................354
Error messages—Track interface.......................................................................................................... 355
Chapter 17 Border Gateway Protocol (BGP)............................................. 356
Introduction............................................................................................................................................ 356
Configuring BGP globally.......................................................................................................................357
Configuring a BGP routing process.............................................................................................357
Configuring a fixed router ID for local BGP routing process....................................................... 358
Specifying the networks to be advertised by the BGP routing process.......................................358
Adjusting BGP network timers.................................................................................................... 358
Re-enabling state contained within nodes of BGP processes.................................................... 358
Configuring BGP policy globally.............................................................................................................359
Delaying sending the BGP open message................................................................................. 361
Specifying the maximum routes that BGP will accept for installation into the RIB......................361
Enabling comparison of MED for paths from neighbors in different autonomous systems.........361
Specifying the number of times an AS number can appear in AS_PATH................................... 361
Configuring BGP to not consider AS_PATH................................................................................361
Breaking ties between routes based on originator ID value........................................................362
Comparing identical routes received from different external peers.............................................362
Assigning value of infinity to routes missing MED attribute.........................................................362
Setting BGP MED on routes when advertised to peers.............................................................. 362
Specifying a route's preference...................................................................................................362
Enabling client-to-client route reflection...................................................................................... 363
Specifying cluster ID when BGP router is route-reflector............................................................363
14 Aruba 3810 / 5400R Multicast and Routing Guide for ArubaOS-
Switch 16.08