Usage of /usr/bin/kube-router: --advertise-cluster-ip Add Cluster IP of the service to the RIB so that it gets advertises to the BGP peers. --advertise-external-ip Add External IP of service to the RIB so that it gets advertised to the BGP peers. --advertise-loadbalancer-ip Add LoadBalancer 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 kube-bridge and pod interfaces (also accounts for IPIP overlay network when enabled). (default true) --bfd-desired-min-tx-interval uint32 The desired min interval in milliseconds for GoBGP to transmit BFD control packets. (default 1000) --bfd-detection-multiplier uint32 BFD failure detection multiplier. Must be between 1-255. (default 3) --bfd-port uint32 UDP port for BFD control packets (default 3784) --bfd-required-min-rx-interval uint32 Min interval in milliseconds for GoBGP to receive BFD control packets. (default 1000) --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) --bgp-holdtime duration This parameter is mainly used to modify the holdtime declared to BGP peer. When kube-router goes down abnormally, the local saving time of BGP route will be affected. Holdtime must be in the range 3s to 18h12m16s. (default 1m30s) --bgp-port uint32 The port open for incoming BGP connections and to use for connecting with other BGP peers. (default 179) --cache-sync-timeout duration The timeout for cache synchronization (e.g. '5s', '1m'). Must be greater than 0. (default 1m0s) --cleanup-config Cleanup iptables rules, ipvs, ipset configuration and exit. --cluster-asn uint ASN number under which cluster nodes will run iBGP. --disable-source-dest-check Disable the source-dest-check attribute for AWS EC2 instances. When this option is false, it must be set some other way. (default true) --enable-bfd Enable BFD for GoBGP --enable-cni Enable CNI plugin. Disable if you want to use kube-router features alongside another CNI plugin. (default true) --enable-ibgp Enables peering with nodes with the same ASN, if disabled will only peer with external BGP peers (default true) --enable-ipv4 Enables IPv4 support (default true) --enable-ipv6 Enables IPv6 support --enable-overlay When enable-overlay is set to true, IP-in-IP tunneling is used for pod-to-pod networking across nodes in different subnets. When set to false no tunneling is used and routing infrastructure is expected to route traffic for pod-to-pod networking across nodes in different subnets (default true) --enable-pod-egress SNAT traffic from Pods to destinations outside the cluster. (default true) --enable-pprof Enables pprof for debugging performance and memory leak issues. --excluded-cidrs strings Excluded CIDRs are used to exclude IPVS rules from deletion. --gobgp-admin-address string Address for GoBGP server. Used in combination with gobgp-admin-port to expose GoBGP for administrative purposes. Setting this to empty string will default the address to 127.0.0.1. (default "127.0.0.1") --gobgp-admin-port uint16 Port to connect to GoBGP for administrative purposes. Setting this to 0 will disable the GoBGP gRPC server. (default 50051) --hairpin-mode Add iptables rules for every Service Endpoint to support hairpin traffic. --health-addr string Health check address to listen on (Default: all interfaces; ensure to configure the 'livenessProbe' to use the same IP address) --health-port uint16 Health check port, 0 = Disabled (default 20244) -h, --help Print usage information. --hostname-override string Overrides the NodeName of the node. Set this if kube-router is unable to determine your NodeName automatically. --injected-routes-sync-period duration The delay between route table synchronizations (e.g. '5s', '1m', '2h22m'). Must be greater than 0. (default 1m0s) --iptables-sync-period duration The delay between iptables rule synchronizations (e.g. '5s', '1m'). Must be greater than 0. (default 5m0s) --ipvs-graceful-period duration The graceful period before removing destinations from IPVS services (e.g. '5s', '1m', '2h22m'). Must be greater than 0. (default 30s) --ipvs-graceful-termination Enables the experimental IPVS graceful termination capability --ipvs-permit-all Enables rule to accept all incoming traffic to service VIP's on the node. (default true) --ipvs-sync-period duration The delay between ipvs config synchronizations (e.g. '5s', '1m', '2h22m'). Must be greater than 0. (default 5m0s) --kubeconfig string Path to kubeconfig file with authorization information (the master location is set by the master flag). --loadbalancer-default-class Handle loadbalancer services without a class (default true) --loadbalancer-ip-range strings CIDR values from which loadbalancer services addresses are assigned (can be specified multiple times). Also used by the proxy module to validate loadBalancerIPs when --strict-external-ip-validation is enabled. --loadbalancer-sync-period duration The delay between checking for missed services (e.g. '5s', '1m'). Must be greater than 0. (default 1m0s) --masquerade-all SNAT all traffic to cluster IP/node port. --master string The address of the Kubernetes API server (overrides any value in kubeconfig). --metrics-addr string Prometheus metrics address to listen on, (Default: all interfaces) --metrics-path string Prometheus metrics path (default "/metrics") --metrics-port uint16 Prometheus metrics port, (Default 0, Disabled) --netpol-default-deny Default policy to use for pods to have before NetworkPolicy is applied --nodeport-bindon-all-ip For service of NodePort type create IPVS service that listens on all IP's of the node. --nodes-full-mesh Each node in the cluster will setup BGP peering with rest of the nodes. (default true) --overlay-encap string Valid encapsulation types are "ipip" or "fou" (if set to "fou", the udp port can be specified via "overlay-encap-port") (default "ipip") --overlay-encap-port uint16 Overlay tunnel encapsulation port (only used for "fou" encapsulation) (default 5555) --overlay-type string Possible values: subnet,full - When set to "subnet", the default, default "--enable-overlay=true" behavior is used. When set to "full", it changes "--enable-overlay=true" default behavior so that IP-in-IP tunneling is used for pod-to-pod networking across nodes regardless of the subnet the nodes are in. (default "subnet") --override-nexthop Override the next-hop in bgp routes sent to peers with the local ip. --peer-router-asns uints ASN numbers of the BGP peer to which cluster nodes will advertise cluster ip and node's pod cidr. (default []) --peer-router-ips ipSlice The ip address of the external router to which all nodes will peer and advertise the cluster ip and pod cidr's. (default []) --peer-router-multihop-ttl uint8 Enable eBGP multihop supports -- sets multihop-ttl. (Relevant only if ttl >= 2) --peer-router-passwords strings Password for authenticating against the BGP peer defined with "--peer-router-ips". --peer-router-passwords-file string Path to file containing password for authenticating against the BGP peer defined with "--peer-router-ips". --peer-router-passwords will be preferred if both are set. --peer-router-ports uints The remote port of the external BGP to which all nodes will peer. If not set, default BGP port (179) will be used. (default []) --router-id string BGP router-id. Must be specified in a ipv6 only cluster, "generate" can be specified to generate the router id. --routes-sync-period duration The delay between route updates and advertisements (e.g. '5s', '1m', '2h22m'). Must be greater than 0. (default 5m0s) --run-firewall Enables Network Policy -- sets up iptables to provide ingress firewall for pods. (default true) --run-loadbalancer Enable loadbalancer address allocator --run-router Enables Pod Networking -- Advertises and learns the routes to Pods via iBGP. (default true) --run-service-proxy Enables Service Proxy -- sets up IPVS for Kubernetes Services. (default true) --runtime-endpoint string Path to CRI compatible container runtime socket (used for DSR mode). Currently known working with containerd. --service-cluster-ip-range strings CIDR values from which service cluster IPs are assigned (can be specified up to 2 times) (default [10.96.0.0/12]) --service-external-ip-range strings Specify external IP CIDRs that are used for inter-cluster communication (can be specified multiple times). Also used by the proxy module to validate externalIPs when --strict-external-ip-validation is enabled. --service-node-port-range string NodePort range specified with either a hyphen or colon (default "30000-32767") --service-tcp-timeout duration Specify TCP timeout for IPVS services in standard duration syntax (e.g. '5s', '1m'), default 0s preserves default system value (default: 0s) --service-tcpfin-timeout duration Specify TCP FIN timeout for IPVS services in standard duration syntax (e.g. '5s', '1m'), default 0s preserves default system value (default: 0s) --service-udp-timeout duration Specify UDP timeout for IPVS services in standard duration syntax (e.g. '5s', '1m'), default 0s preserves default system value (default: 0s) --strict-external-ip-validation When enabled, the proxy module validates externalIPs and loadBalancerIPs against configured CIDR ranges (--service-external-ip-range and --loadbalancer-ip-range). When strict mode is enabled and no range is configured, all externalIPs / loadBalancerIPs are rejected (default-deny). Disable this flag to restore previous behavior of accepting all IPs without validation. (default true) --use-nftables-for-netpol [Experimental] Use nftables instead of iptables for the network policy controller. Requires nft >= 1.0.1 and kernel nftables support. (default false) -v, --v string log level for V logs (default "0") -V, --version Print version information.