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Information about ipvs in different network namespace can be seen via procfs.
How to reproduce:
# ip netns add ns01
# ip netns add ns02
# ip netns exec ns01 ip a add dev lo 127.0.0.1/8
# ip netns exec ns02 ip a add dev lo 127.0.0.1/8
# ip netns exec ns01 ipvsadm -A -t 10.1.1.1:80
# ip netns exec ns02 ipvsadm -A -t 10.1.1.2:80
The ipvsadm displays information about its own network namespace only.
# ip netns exec ns01 ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 10.1.1.1:80 wlc
# ip netns exec ns02 ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 10.1.1.2:80 wlc
But I can see information about other network namespace via procfs.
# ip netns exec ns01 cat /proc/net/ip_vs
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 0A010101:0050 wlc
TCP 0A010102:0050 wlc
# ip netns exec ns02 cat /proc/net/ip_vs
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 0A010102:0050 wlc
Signed-off-by: KUWAZAWA Takuya <albatross0@gmail.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.