Cherry-pick BGP fixes into 4.19#2731

Closed

tssurya wants to merge 22 commits into

openshift:release-4.19from

tssurya:cherry-pick-bgp-fixes-into-4.19

Commits on Aug 21, 2025

Remove support for receiving advertised routes on nodes
tssurya
committed
Don't use match as a criteria for isEquivalentMatch
tssurya
committed
Advertised networks: SNAT Traffic to nodeIP
tssurya
committed
BGP,UDN,LGW: Ensure both masqueradeIP and podsubnet ip rules are present
tssurya
committed
Convert LGW postrouting rules to NFT
tssurya
committed
rename/reuse pmtud nft sets to remote-node-ips
tssurya
committed
BGP, default network, LGW: Conditionally Masquerade
tssurya
committed
Add E2E's for these traffic flows
tssurya
committed
Add masqueradeIP flows back for advertised networks in breth0
tssurya
committed
Change priority of ovn-kube-local-gw-masq to 101
tssurya
committed
Add all remote nodeIPs for the PMTUD/BGP remote node NFT set
tssurya
committed
cleanupStalePodSNATs: Don't blow all SNATs for advertised Networks
tssurya
committed
Fix CreateOrUpdateNATs to update non-default values
tssurya
committed
UDN,L2: UDN pod in networkA to nodePort on networkB works for IPV6!
tssurya
committed
SNAT traffic from advertised UDNs towards UDN enabled default services

jcaamano
authored and
tssurya
committed
Reapply "Add the IP rule for a UDN only when it is advertised to the default VRF"

jcaamano
authored and
tssurya
committed
Provide global routed udn isolation option

pperiyasamy
authored and
tssurya
committed
Skip adding drop ACLs when Routed UDN Isolation is disabled

pperiyasamy
authored and
tssurya
committed
Add CI lane and E2E to test loosly isolated advertised UDNs

pperiyasamy
authored and
tssurya
committed
Set nodes default gateway to the external FRR router for isolation loose mode

pliurh
authored and
tssurya
committed
node: refactor MEG/Advertised UDN ingress and egress flows

pliurh
authored and
tssurya
committed
Refactor: Rename config flag routed-udn-isolation to advertised-udn-isolation-mode

pliurh
authored and
tssurya
committed

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Cherry-pick BGP fixes into 4.19#2731

Cherry-pick BGP fixes into 4.19#2731
tssurya wants to merge 22 commits into
openshift:release-4.19from
tssurya:cherry-pick-bgp-fixes-into-4.19

Commits on Aug 21, 2025

Remove support for receiving advertised routes on nodes

Don't use match as a criteria for isEquivalentMatch

Advertised networks: SNAT Traffic to nodeIP

BGP,UDN,LGW: Ensure both masqueradeIP and podsubnet ip rules are present

Convert LGW postrouting rules to NFT

rename/reuse pmtud nft sets to remote-node-ips

BGP, default network, LGW: Conditionally Masquerade

Add E2E's for these traffic flows

Add masqueradeIP flows back for advertised networks in breth0

Change priority of ovn-kube-local-gw-masq to 101

Add all remote nodeIPs for the PMTUD/BGP remote node NFT set

cleanupStalePodSNATs: Don't blow all SNATs for advertised Networks

Fix CreateOrUpdateNATs to update non-default values

UDN,L2: UDN pod in networkA to nodePort on networkB works for IPV6!

SNAT traffic from advertised UDNs towards UDN enabled default services

Reapply "Add the IP rule for a UDN only when it is advertised to the default VRF"

Provide global routed udn isolation option

Skip adding drop ACLs when Routed UDN Isolation is disabled

Add CI lane and E2E to test loosly isolated advertised UDNs

Set nodes default gateway to the external FRR router for isolation loose mode

node: refactor MEG/Advertised UDN ingress and egress flows

Refactor: Rename config flag routed-udn-isolation to advertised-udn-isolation-mode