Commit Graph

2 Commits

Author SHA1 Message Date
wangshengjun
18e51088a0 [ebtables]add the filter rule for ARP packets with vlan tag: (#3945)
1. ebtables -t filter -A FORWARD -p 802_1Q --vlan-encap 0806 -j DROP
The ARP packet with vlan tag can't match the default rule.

Signed-off-by: wangshengjun <wangshengjun@asterfusion.com>
2020-05-09 18:36:36 -07:00
Ying Xie
9efcf1759a
[ebtables] install ebtables in base image and install filter rules (#2805)
- Add ebtables package, and install some filter rules:
  1. ebtables -A FORWARD -d BGA -j DROP
  2. ebtables -A FORWARD -p ARP -j DROP

Basically, we let the ARP packets in the VLAN being forwarded by the ASIC,
kernel gets a copy of these ARP packets and the forwarding from Kenerl gets
dropped. So there is always only one copy of ARP/response in the VLAN.

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
2019-05-09 09:44:41 -07:00