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2320ac3349
ip(8)'s ability to take abbreviated arguments (e.g. "li sh" instead of "link show") is very handy when using it interactively, but it doesn't make for very readable scripts and examples when shown that way. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
34 lines
1.2 KiB
Plaintext
34 lines
1.2 KiB
Plaintext
# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/icmp/passt_in_ns - Check ICMP/ICMPv6 functionality for passt in ns
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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#
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# These tests can work reliably only within an isolated namespace: the host
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# might have a net.ipv4.ping_group_range sysctl value not allowing pasta's gid
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# to create "ping" sockets. Inside the namespace, there's a single group, which
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# is allowed by default to create them.
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onlyfor passt_in_ns
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nstools ip jq sleep
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gtools ping ip jq
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test ICMP echo: guest to ns
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nsout IFNAME_NS ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
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ns ip addr add 192.0.2.1/32 dev __IFNAME_NS__
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guest ping -c1 -w1 192.0.2.1
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ns ip addr del 192.0.2.1/32 dev __IFNAME_NS__
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test ICMPv6 echo: guest to ns
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ns ip addr add 2001:db8::1 dev __IFNAME_NS__ && sleep 2 # DAD
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gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
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guest ping -c1 -w1 2001:db8::1
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ns ip addr del 2001:db8::1 dev __IFNAME_NS__
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