Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2020-02-27 Thread Asbjørn Sloth Tønnesen
Hi Tim, On 1/21/20 6:58 PM, Tim Bray wrote: I also agree. I've just spent a month tracking down an issue where IPv6 networking connections hang.  Using Debian buster, 4.19.0-6-amd64. I also had fun finding a workaround for this bug, back in December, but I originally noticed some weirdness

Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2020-01-21 Thread Vincent Bernat
❦ 21 janvier 2020 23:51 +00, Tim Bray : >> This setting is for the size of the route cache. You can have far more >> routes. In the past, there were bugs where each lookup will be put in >> cache, but since 4.2, only the PMTU exceptions are stored in cache. See >>

Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2020-01-21 Thread Tim Bray
On 21/01/2020 19:37, Vincent Bernat wrote: This setting is for the size of the route cache. You can have far more routes. In the past, there were bugs where each lookup will be put in cache, but since 4.2, only the PMTU exceptions are stored in cache. See

Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2020-01-21 Thread Vincent Bernat
❦ 21 janvier 2020 18:58 +00, Tim Bray : > I also agree. > > I've just spent a month tracking down an issue where IPv6 networking > connections hang.  Using Debian buster, 4.19.0-6-amd64. > > Machine carries a full IPv6 table, received via BGP. About 80k routes. > > Symptoms were BFD dropping out.

Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2020-01-21 Thread Tim Bray
I also agree. I've just spent a month tracking down an issue where IPv6 networking connections hang.  Using Debian buster, 4.19.0-6-amd64. Machine carries a full IPv6 table, received via BGP. About 80k routes. Symptoms were BFD dropping out.  Connectivity hangs. setting net.ipv6.route.max_si

Bug#861115: Please consider increasing net.ipv6.route.max_size default value

2017-04-24 Thread Thomas Goirand
Source: linux Version: 4.9.18-1 Severity: wishlist Dear kernel maintainers, By default, net.ipv6.route.max_size is set to 4096. Unfortunately, when doing ipv6 routing, these days, this value is too low to hold all the internet IPv6 routes. If you do ipv6 routing with quagga, it simply doesn't fit