Re: CentOS 7 host with guests as bridge cannot access host

[Jerry Geis <jerry.geis@xxxxxxxxx>]

Thanks for the info.

brctl show virbr0
bridge name     bridge id               STP enabled     interfaces
virbr0          8000.525400fc34af       yes             virbr0-nic

brctl show virbr1
bridge name     bridge id               STP enabled     interfaces
virbr1          8000.5254009c3902       yes             virbr1-nic


ip a s virbr0
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN group default qlen 1000
    link/ether 52:54:00:fc:34:af brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever

ip a s virbr1
5: virbr1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN group default qlen 1000
    link/ether 52:54:00:9c:39:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.100.1/24 brd 192.168.100.255 scope global virbr1
       valid_lft forever preferred_lft forever

 cat /proc/sys/net/ipv4/ip_forward
1

 iptables -L FORWARD -v -n | egrep '(policy|virbr1)'
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)

iptables -L FORWARD -v -n | egrep '(policy|virbr0)'
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)


So looks like my IPTables is not correct.

What commands do you run for that ?
Thanks,

Jerry
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