Enterasys Networks XSR CLI auto-virtual-link, database-overflow

OSPF Commands
5-90 Configuring the Internet Protocol
Figure 5-1 Area Virtual Link Example
auto-virtual-link
Thiscommandautomaticallycreatesvirtuallinks.Refertothearea-virtual-linkcommandfor
morerelatedinformation.
Syntax
auto-virtual-link
Syntax
Thiscommand’snoformnegatestheautomaticcreationofavirtuallink:
no auto-virtual-link
Mode
OSPFRouterconfiguration:XSR(config-router)#
Example
XSR(config-router)#auto-virtual-link
database-overflow
ThiscommanddynamicallylimitsthesizeofOSPFLink‐Statedatabaseoverflow,acondition
wheretheXSRisunabletomaintainthedatabaseinitsentirety.Typically,databaseoverflow
occurswhenarouterimportsalargenumberofexternal,Type5LSAroutesintoOSPF.This
commandletsyoucontrolotherLSAtypesaswell:1‐4,7,and10.
Usually,���thisproblemcanbeavertedbyproperconfigurationofOSPFroutersintostubareasor
NSSAs,sinceAS‐externalLSAsareomittedfromthistypeofLink‐Statedatabases.But,inthe
eventofanunexpecteddatabaseoverflow,thereisinsufficienttimetoperformthistypeof
isolation.
Syntax
database-overflow [LSA type][option]
LSA Type:
ABR1 ABR2
Area 0.0.0.0 Area 2 Area 3
Eth 1
virtual link
Serial 1/1 Eth 1
Serial 1/0
192.16.33.2
172.16.150.1 192.16.33.1 172.15.0.1
asbr-summary ASBorderRouterSummaryLSA(Type4).
external ASExternalAreaLSA(Type5).