name : mirror_gre_topo_lib.sh # SPDX-License-Identifier: GPL-2.0 # This is the standard topology for testing mirroring to gretap and ip6gretap # netdevices. The tests that use it tweak it in one way or another--importantly, # $swp3 and $h3 need to have addresses set up. # # +---------------------+ +---------------------+ # | H1 | | H2 | # | + $h1 | | $h2 + | # | | 192.0.2.1/28 | | 192.0.2.2/28 | | # +-----|---------------+ +---------------|-----+ # | | # +-----|-------------------------------------------------------------|-----+ # | SW o--> mirror | | # | +---|-------------------------------------------------------------|---+ | # | | + $swp1 BR $swp2 + | | # | +---------------------------------------------------------------------+ | # | | # | + $swp3 + gt6 (ip6gretap) + gt4 (gretap) | # | | : loc=2001:db8:2::1 : loc=192.0.2.129 | # | | : rem=2001:db8:2::2 : rem=192.0.2.130 | # | | : ttl=100 : ttl=100 | # | | : tos=inherit : tos=inherit | # | | : : | # +-----|---------------------:----------------------:----------------------+ # | : : # +-----|---------------------:----------------------:----------------------+ # | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) | # | loc=2001:db8:2::2 loc=192.0.2.130 | # | rem=2001:db8:2::1 rem=192.0.2.129 | # | ttl=100 ttl=100 | # | tos=inherit tos=inherit | # | | # +-------------------------------------------------------------------------+ source "$relative_path/mirror_topo_lib.sh" mirror_gre_topo_h3_create() { mirror_topo_h3_create tunnel_create h3-gt4 gretap 192.0.2.130 192.0.2.129 ip link set h3-gt4 vrf v$h3 matchall_sink_create h3-gt4 tunnel_create h3-gt6 ip6gretap 2001:db8:2::2 2001:db8:2::1 ip link set h3-gt6 vrf v$h3 matchall_sink_create h3-gt6 } mirror_gre_topo_h3_destroy() { tunnel_destroy h3-gt6 tunnel_destroy h3-gt4 mirror_topo_h3_destroy } mirror_gre_topo_switch_create() { mirror_topo_switch_create tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \ ttl 100 tos inherit tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \ ttl 100 tos inherit allow-localremote } mirror_gre_topo_switch_destroy() { tunnel_destroy gt6 tunnel_destroy gt4 mirror_topo_switch_destroy } mirror_gre_topo_create() { mirror_topo_h1_create mirror_topo_h2_create mirror_gre_topo_h3_create mirror_gre_topo_switch_create } mirror_gre_topo_destroy() { mirror_gre_topo_switch_destroy mirror_gre_topo_h3_destroy mirror_topo_h2_destroy mirror_topo_h1_destroy }