Why Proxmox is using tap?

T

tincboy

Renowned Member
Apr 13, 2010
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Previously each KVM guest had a network card with names like vmtab101i0 in host but I can see in latest Proxmox the name changed to something like tap101i0d0, Did this make any change in networking architecture of KVM guests in Proxmox?
I've asked this question because previously it was possible to use "tc" to limit the connectivity of an IP in Proxmox but now those tc rules are not working.
 
I'm using these rules, can you please check them out?

tc qdisc add dev tap101i0d0 root handle 1: cbq avpkt 1000 bandwidth 10mbit

tc class add dev tap101i0d0 parent 1: classid 1:2 cbq rate 1024kbit allot 1500 prio 5 bounded isolated

tc filter add dev tap101i0d0 parent 1: protocol ip prio 16 u32 match ip dst xxx.xxx.xxx.xxx flowid 1:2
 
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