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How to enable smart MTU black hole detection/PLPMTUD feature for IPv6
How to enable IPv6 via miredo along with UFW?How to connect Ethernet via a Huawei Smart AXMT880s modem (with auto-detection)?How to dynamically enable and disable ipv6 on an interfaceHow to disable NAT for IPv6 (NAT66)?How to make Ubuntu honor “ignore-hosts” proxy settings for IPv6?How to enable IPV6 packet capturing in WireShark at the same time as IPV4?Unable to enable IPv6 for telnet serverHow to disable IPv6 on Windows Subsystem for Linux?
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In an article entitled "Path MTU discovery in practice", it provides a way to enable smart MTU black hole detection or Packetization Layer Path MTU Discovery feature on Linux by typing these commands:
echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing
echo 1024 > /proc/sys/net/ipv4/tcp_base_mss
However, it's for IPv4 only.
Therefore, how can I enable this feature for IPv6?
networking ipv6
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
|
show 1 more comment
In an article entitled "Path MTU discovery in practice", it provides a way to enable smart MTU black hole detection or Packetization Layer Path MTU Discovery feature on Linux by typing these commands:
echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing
echo 1024 > /proc/sys/net/ipv4/tcp_base_mss
However, it's for IPv4 only.
Therefore, how can I enable this feature for IPv6?
networking ipv6
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
1
You don't need to.
– Michael Hampton
Apr 18 at 3:24
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32
|
show 1 more comment
In an article entitled "Path MTU discovery in practice", it provides a way to enable smart MTU black hole detection or Packetization Layer Path MTU Discovery feature on Linux by typing these commands:
echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing
echo 1024 > /proc/sys/net/ipv4/tcp_base_mss
However, it's for IPv4 only.
Therefore, how can I enable this feature for IPv6?
networking ipv6
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
In an article entitled "Path MTU discovery in practice", it provides a way to enable smart MTU black hole detection or Packetization Layer Path MTU Discovery feature on Linux by typing these commands:
echo 1 > /proc/sys/net/ipv4/tcp_mtu_probing
echo 1024 > /proc/sys/net/ipv4/tcp_base_mss
However, it's for IPv4 only.
Therefore, how can I enable this feature for IPv6?
networking ipv6
networking ipv6
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
asked Apr 18 at 2:41
K. KusumoK. Kusumo
62 bronze badges
62 bronze badges
1
You don't need to.
– Michael Hampton
Apr 18 at 3:24
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32
|
show 1 more comment
1
You don't need to.
– Michael Hampton
Apr 18 at 3:24
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32
1
1
You don't need to.
– Michael Hampton
Apr 18 at 3:24
You don't need to.
– Michael Hampton
Apr 18 at 3:24
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32
|
show 1 more comment
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1
You don't need to.
– Michael Hampton
Apr 18 at 3:24
@MichaelHampton Do you mean it's already enabled by default?
– K. Kusumo
Apr 19 at 3:00
There's no point to setting a "base MSS" of 1024 when the minimum MTU is 1280. Besides, the problem itself as described there is IPv4-only.
– Michael Hampton
Apr 19 at 3:26
@MichaelHampton Where do you read the problem is IPv4-only? The article states it mostly affected IPv6 users. Ultimately the problem as described is a result of the load balancing used and applies equally to IPv4 and IPv6.
– rfc2460
Apr 27 at 14:31
@rfc2460 It affected users of IPv6 tunnels, according to the article. And you can't have a MTU below 1024 in IPv6. At least not without breaking a lot of RFCs
– Michael Hampton
Apr 27 at 14:32