С помощью команды управления интерфейсами на first выведите подробную информацию об интерфейсе br0.
[root@first ~]# ip -d link show br0
6: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default ql
en 1000
link/ether 08:00:27:26:29:ce brd ff:ff:ff:ff:ff:ff promiscuity 0 allmulti 0 minmtu 68 maxmtu 65535
bridge forward_delay 1500 hello_time 200 max_age 2000 ageing_time 30000 stp_state 0 priority 32768
vlan_filtering 0 vlan_protocol 802.1Q bridge_id 8000.8:0:27:26:29:ce designated_root 8000.8:0:27:26:29:ce
root_port 0 root_path_cost 5 topology_change 0 topology_change_detected 0 hello_timer 0.00 tcn_timer 0.00
topology_change_timer 0.00 gc_timer 31.90 fdb_n_learned 2 fdb_max_learned 0 vlan_default_pvid 1
vlan_stats_enabled 0 vlan_stats_per_port 0 group_fwd_mask 0 group_address 01:80:c2:00:00:00 mcast_snooping 1
no_linklocal_learn 0 mcast_vlan_snooping 0 mst_enabled 0 mcast_router 1 mcast_query_use_ifaddr 0
mcast_querier 0 mcast_hash_elasticity 16 mcast_hash_max 4096 mcast_last_member_count 2 mcast_startup_query_count 2
mcast_last_member_interval 100 mcast_membership_interval 26000 mcast_querier_interval 25500
mcast_query_interval 12500 mcast_query_response_interval 1000 mcast_startup_query_interval 3125
mcast_stats_enabled 0 mcast_igmp_version 2 mcast_mld_version 1 nf_call_iptables 0 nf_call_ip6tables 0
nf_call_arptables 0 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 tso_max_size 65536
tso_max_segs 65535 gro_max_size 65536 gso_ipv4_max_size 65536 gro_ipv4_max_size 65536
[root@first ~]#
