https://github.com/FDio/vpp/blob/178cf493d009995b28fdf220f04c98860ff79a9b/src/vnet/srv6/sr.h
From: <vpp-dev@lists.fd.io> on behalf of "Ahmed Abdelsalam (ahabdels) via Lists.Fd.Io" <ahabdels=cisco....@lists.fd.io> Reply-To: "Ahmed Abdelsalam (ahabdels)" <ahabd...@cisco.com> Date: Thursday, 20 June 2019 at 17:26 To: "virginijus@noia.network" <virginijus@noia.network>, "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> Cc: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> Subject: Re: [vpp-dev] How to change IPv6 hoplimit ? #vpp #srv6 Hi, The hop limit of outer IPv6 header of an SRv6 packet is statically configured to 64 (https://github.com/FDio/vpp/blob178cf493d009995b28fdf220f04c98860ff79a9b/src/vnet/srv6/sr.h) You can open a jira ticket explaining the use-case requiring more than 64 hops. Ahmed From: <vpp-dev@lists.fd.io> on behalf of "virginijus@noia.network" <virginijus@noia.network> Date: Thursday, 20 June 2019 at 14:28 To: "vpp-dev@lists.fd.io" <vpp-dev@lists.fd.io> Subject: [vpp-dev] How to change IPv6 hoplimit ? #vpp #srv6 When sending SRv6 packets over long distances I'm often receiving "hop limit exceeded in transit" message Payload Length: 152 Next Header: ICMPv6 (58) Hop Limit: 37 Source: 2620:xxxxxx Destination: 2a05:xxxx Internet Control Message Protocol v6 Type: Time Exceeded (3) Code: 0 (hop limit exceeded in transit) I need to increase hoplimit for outgoing IPv6 packets and I didn't found any info in docs how to do that. It is possible with VPP ?
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