name : test_vxlan_fdb_changelink.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Check FDB default-remote handling across "ip link set". check_remotes() { local what=$1; shift local N=$(bridge fdb sh dev vx | grep 00:00:00:00:00:00 | wc -l) echo -ne "expected two remotes after $what\t" if [[ $N != 2 ]]; then echo "[FAIL]" EXIT_STATUS=1 else echo "[ OK ]" fi } ip link add name vx up type vxlan id 2000 dstport 4789 bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.20 self permanent bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.30 self permanent check_remotes "fdb append" ip link set dev vx type vxlan remote 192.0.2.30 check_remotes "link set" ip link del dev vx exit $EXIT_STATUS