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docs: clarify auto-mtu flag purpose

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This commit is contained in:
Aaron U'Ren 2022-02-02 15:50:37 -06:00
parent d27c317891
commit c5af115703
2 changed files with 3 additions and 2 deletions
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2
docs/user-guide.md
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@ -44,7 +44,7 @@ Usage of kube-router:
--advertise-external-ip Add External IP of service to the RIB so that it gets advertised to the BGP peers.
--advertise-loadbalancer-ip Add LoadbBalancer IP of service status as set by the LB provider to the RIB so that it gets advertised to the BGP peers.
--advertise-pod-cidr Add Node's POD cidr to the RIB so that it gets advertised to the BGP peers. (default true)
--auto-mtu Auto detect and set the largest possible MTU for pod interfaces. (default true)
--auto-mtu Auto detect and set the largest possible MTU for kube-bridge and pod interfaces (also accounts for IPIP overlay network when enabled). (default true)
--bgp-graceful-restart Enables the BGP Graceful Restart capability so that routes are preserved on unexpected restarts
--bgp-graceful-restart-deferral-time duration BGP Graceful restart deferral time according to RFC4724 4.1, maximum 18h. (default 6m0s)
--bgp-graceful-restart-time duration BGP Graceful restart time according to RFC4724 3, maximum 4095s. (default 1m30s)

3
pkg/options/options.go
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@ -103,7 +103,8 @@ func (s *KubeRouterConfig) AddFlags(fs *pflag.FlagSet) {
fs.BoolVar(&s.AdvertiseNodePodCidr, "advertise-pod-cidr", true,
"Add Node's POD cidr to the RIB so that it gets advertised to the BGP peers.")
fs.BoolVar(&s.AutoMTU, "auto-mtu", true,
"Auto detect and set the largest possible MTU for pod interfaces.")
"Auto detect and set the largest possible MTU for kube-bridge and pod interfaces (also accounts for "+
"IPIP overlay network when enabled).")
fs.BoolVar(&s.BGPGracefulRestart, "bgp-graceful-restart", false,
"Enables the BGP Graceful Restart capability so that routes are preserved on unexpected restarts")
fs.DurationVar(&s.BGPGracefulRestartDeferralTime, "bgp-graceful-restart-deferral-time",