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RHEL7: Outage in neigh_timer_handler or kmalloc-512 slab corruption

KCS Solution updated on 15 Dec 2021, 10:02 AM GMT - 0 -

0

Red Hat Enterprise Linux
Solarflare NIC dropping packets and incrementing the rx_tobe_disc counter

KCS Solution updated on 14 Dec 2021, 4:04 AM GMT - 0 -

0

Red Hat Enterprise Linux
TIME_WAIT sockets are not reused with tw_reuse parameter after RHEL 7.6

KCS Solution updated on 10 Dec 2021, 4:37 AM GMT - 0 -

0

Red Hat Enterprise Linux
How to verify net.ipv4.tcp_tw_reuse parameter is working?

KCS Solution updated on 10 Dec 2021, 4:00 AM GMT - 0 -

0

Red Hat Enterprise Linux
How to diagnose UDP "packet receive errors" in RHEL5

KCS Solution updated on 09 Dec 2021, 10:58 PM GMT - 0 -

0

Red Hat Enterprise Linux
Different crashes involving IPv6 np->opt

KCS Solution updated on 09 Dec 2021, 10:06 PM GMT - 0 -

0

Red Hat Enterprise Linux
Why there are many 'CLOSE_WAIT' sockets seen in "netstat" command output ?

KCS Solution updated on 09 Dec 2021, 8:46 AM GMT - 3 -

0

Red Hat Enterprise Linux
netstat コマンドの出力結果に CLOSE_WAIT ソケットが多数表示される

KCS Solution updated on 09 Dec 2021, 8:42 AM GMT - 0 -

0

Red Hat Enterprise Linux
Why do I see "An illegal loopback occurred on adapter (ethX) Check the configuration to verify that all Adapters are connected to 802.3ad compliant switch ports" messages for bond devices configured in mode 4 in RHEL?

KCS Solution updated on 09 Dec 2021, 8:17 AM GMT - 7 -

0

Red Hat Virtualization, Red Hat Enterprise Linux
IP fragmentation fails and fragmented packets get dropped

KCS Solution updated on 06 Dec 2021, 5:38 AM GMT - 2 -

0

Red Hat Enterprise Linux
yum repolist fails with SSL error "Encountered end of file" although system is properly registered and subscribed to Red Hat Customer Portal

KCS Solution updated on 30 Nov 2021, 5:08 PM GMT - 0 -

0

Red Hat Enterprise Linux
Using the ethtool utility one cannot set autoneg off for ethernet cards

KCS Solution updated on 17 Nov 2021, 8:12 AM GMT - 2 -

0

Red Hat Enterprise Linux
How do I match network devices in different network namespaces?

KCS Solution updated on 16 Nov 2021, 4:22 AM GMT - 0 -

0

Red Hat OpenStack Platform, Red Hat Enterprise Linux
OpenStack deployment fails while configuring overcloud networks

KCS Solution updated on 12 Nov 2021, 3:25 PM GMT - 0 -

0

Red Hat OpenStack Platform
Does nftables support SCTP chunk-type?

KCS Solution updated on 10 Nov 2021, 5:30 AM GMT - 0 -

0

Red Hat Enterprise Linux
Very low TCP connection throughput during recovery

KCS Solution updated on 03 Nov 2021, 12:11 AM GMT - 2 -

0

Red Hat Enterprise Linux
A virtio-net device can receive a packet larger than the MTU

KCS Solution updated on 25 Oct 2021, 12:50 AM GMT - 0 -

0

Red Hat Enterprise Linux
Same outgoing TCP source port numbers are heavily reused when a large block of the local port range is reserved

KCS Solution updated on 21 Oct 2021, 6:01 AM GMT - 3 -

0

Red Hat Enterprise Linux
virtio-net receives non-local unicast traffic, does not filter by MAC

KCS Solution updated on 14 Oct 2021, 10:11 PM GMT - 0 -

0

Red Hat OpenStack Platform, Red Hat Enterprise Linux
tcpdump reports a large number of incoming TCP segments have incorrect TCP checksums

KCS Solution updated on 11 Oct 2021, 11:28 AM GMT - 0 -

0

Red Hat Enterprise Linux
log message 'e1000e Detected Hardware Unit Hang' before system hangs

KCS Solution updated on 11 Oct 2021, 5:53 AM GMT - 0 -

0

Red Hat Enterprise Linux
RHEL: What are delayed ACKs and can they be disabled?

KCS Solution updated on 07 Oct 2021, 12:10 AM GMT - 0 -

0

Red Hat Enterprise Linux
What is ethtool "extra RSS contexts and steering filters"?

KCS Solution updated on 06 Oct 2021, 5:23 AM GMT - 0 -

0

Red Hat Enterprise Linux
Red Hat Enterprise Linux 7 の再送タイムアウト (RTO) で、追加の再送が見られるのはなぜですか?

KCS Solution updated on 15 Sep 2021, 4:19 AM GMT - 0 -

0

Red Hat Enterprise Linux
TCP connections fail due to TCP Zero Window

KCS Solution updated on 09 Sep 2021, 4:12 AM GMT - 1 -

0

Red Hat Enterprise Linux

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network_stack

RHEL7: Outage in neigh_timer_handler or kmalloc-512 slab corruption

Solarflare NIC dropping packets and incrementing the rx_tobe_disc counter

TIME_WAIT sockets are not reused with tw_reuse parameter after RHEL 7.6

How to verify net.ipv4.tcp_tw_reuse parameter is working?

How to diagnose UDP "packet receive errors" in RHEL5

Different crashes involving IPv6 np->opt

Why there are many 'CLOSE_WAIT' sockets seen in "netstat" command output ?

netstat コマンドの出力結果に CLOSE_WAIT ソケットが多数表示される

Why do I see "An illegal loopback occurred on adapter (ethX) Check the configuration to verify that all Adapters are connected to 802.3ad compliant switch ports" messages for bond devices configured in mode 4 in RHEL?

IP fragmentation fails and fragmented packets get dropped

yum repolist fails with SSL error "Encountered end of file" although system is properly registered and subscribed to Red Hat Customer Portal

Using the ethtool utility one cannot set autoneg off for ethernet cards

How do I match network devices in different network namespaces?

OpenStack deployment fails while configuring overcloud networks

Does nftables support SCTP chunk-type?

Very low TCP connection throughput during recovery

A virtio-net device can receive a packet larger than the MTU

Same outgoing TCP source port numbers are heavily reused when a large block of the local port range is reserved

virtio-net receives non-local unicast traffic, does not filter by MAC

tcpdump reports a large number of incoming TCP segments have incorrect TCP checksums

log message 'e1000e Detected Hardware Unit Hang' before system hangs

RHEL: What are delayed ACKs and can they be disabled?

What is ethtool "extra RSS contexts and steering filters"?

Red Hat Enterprise Linux 7 の再送タイムアウト (RTO) で、追加の再送が見られるのはなぜですか?

TCP connections fail due to TCP Zero Window

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