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Maniphest T6252

GRE tunnels don't allow configuring MTU larger than 8024
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Description

there is a problem when we want to set higher than 8024 (it doesn't allow) , it is supported on linux :, it's supported on linux :

10: tun1@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 8972 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/gre 10.243.100.21 peer 10.243.100.22 promiscuity 0 allmulti 0 minmtu 68 maxmtu 65511
    gre remote 10.243.100.22 local 10.243.100.21 ttl 64 tos inherit numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536 tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536

Details

Version
VyOS 1.5-rolling-202404190019
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Related Objects

Event Timeline

fernando created this task.Apr 19 2024, 9:09 PM
fernando claimed this task.
Restricted Repository Identity mentioned this in rVYOSONEX4cde677e9e12: gre: T6252: allow tunnel MTU to exceed 8024 bytes.Apr 20 2024, 7:56 AM
Restricted Repository Identity mentioned this in rVYOSONEX7a6d24402c43: gre: T6252: allow tunnel MTU to exceed 8024 bytes.Apr 20 2024, 7:56 AM
Restricted Repository Identity mentioned this in rVYOSONEX8062edbefb31: Merge pull request #3335 from vyos/mergify/bp/sagitta/pr-3333.Apr 20 2024, 8:02 AM
fernando added a comment.Apr 20 2024, 12:01 PM

PR: https://github.com/vyos/vyos-1x/pull/3333

fernando closed this task as Resolved.Apr 20 2024, 12:03 PM
c-po moved this task from Open to Finished on the VyOS 1.5 Circinus board.Apr 24 2024, 5:45 AM
dmbaturin renamed this task from gre tunnel - doesn't allow configure jumbo frame more than 8024 to GRE tunnels doesn't allow configure jumbo frames larger than 8024.May 11 2024, 6:57 PM
dmbaturin renamed this task from GRE tunnels doesn't allow configure jumbo frames larger than 8024 to GRE tunnels don't allow configuring MTU larger than 8024.
dmbaturin edited projects, added VyOS 1.4 Sagitta (1.4.0-epa3); removed VyOS 1.4 Sagitta, VyOS 1.5 Circinus.
dmbaturin edited a custom field.
dmbaturin changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
dmbaturin changed Issue type from Unspecified (please specify) to Bug (incorrect behavior).
pasik subscribed.May 14 2024, 5:13 PM