After taking patches related to ip4_mtrie.c we are not longer seeing the issue related to /8 routes and default gateway.
Thanks a lot! Chetan On Tue, Feb 4, 2020 at 10:55 AM chetan bhasin <chetan.bhasin...@gmail.com> wrote: > Thanks Neale for response. I will take a look. > > On Mon, Feb 3, 2020 at 2:58 PM Neale Ranns (nranns) <nra...@cisco.com> > wrote: > >> >> >> 18.01 might be missing patches in ip4_mtrie.c. >> >> >> >> /neale >> >> >> >> *From: *<vpp-dev@lists.fd.io> on behalf of chetan bhasin < >> chetan.bhasin...@gmail.com> >> *Date: *Friday 31 January 2020 at 11:47 >> *To: *vpp-dev <vpp-dev@lists.fd.io> >> *Subject: *[vpp-dev] Issue coming while fib lookup in vpp 18.01 between >> /8 and default route >> >> >> >> Hello Everyone, >> >> >> >> I know that vpp 18.01 is not supported further, but can anybody please >> provide a direction towards the below issue: >> >> >> >> We have two routes - >> >> 1) defaut gateway via 2.2.2.2 >> >> 2) 10.0.0.0/8 via 3.3.3.3 >> >> >> >> Trying to ping 10.20.x.x via VPP but it is going via 1) default gateway >> but it should go via 2) 3.3.3.3 >> >> >> >> Note : its working fine if we add route with subnet /16. >> >> >> >> show ip fib looks like as below : >> >> 0.0.0.0/0 >> unicast-ip4-chain >> [@0]: dpo-load-balance: [proto:ip4 index:1 buckets:1 uRPF:43 >> to:[17:1012]] >> [0] [@5]: ipv4 via 2.2.2.2 device_b/0/0: 00000c9ff024000c29b196440800 >> 0.0.0.0/32 >> unicast-ip4-chain >> [@0]: dpo-load-balance: [proto:ip4 index:2 buckets:1 uRPF:1 to:[0:0]] >> [0] [@0]: dpo-drop ip4 >> 10.0.0.0/8 >> unicast-ip4-chain >> [@0]: dpo-load-balance: [proto:ip4 index:25 buckets:1 uRPF:40 to:[0:0]] >> [0] [@5]: ipv4 via 3.3.3.3 device_13/0/0: 00000c9ff032000c29b1964e0800 >> >> >> >> Thanks, >> >> Chetan Bhasin >> >
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