Re: OSPF&QOS

COM3 wrote:
Hi,
I have two questions,but I tryed to found out it's answer
i was not able to understand.
Please teach me.

1.When loopback 0 is advertised on OSPF and it is authenticated,
is loopback 0 included in "ip ospf message-digest-key md5 xxxx"
too ?

2.In MQC case, can we use "prioryty" instead of "police" ?

I just so happen to be re-reading some info on OSPF from Jeff Doyles Routing TCP/IP Vol 1 (2nd Edition). If I have interpreted this correctly:

The OSPF packet Header is where the authentication information is & key info is recorded. Routing information for the *Loopback IP would be contained in another packet e.g. Link State Update, perhaps Database Description Packet (summary information)

NB As an aside Loopback interfaces are considered stub networks & advertised as host routes. This can be changed by adding ip ospf network point-to-point under the Loopback interface (as of IOS 11.3). When done the Loopback will be advertised as a subnet route instead.

Regards

Darren
.

Relevant Pages

  • Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx()
    ... Every packet you receive can result in a sent packet, ... our loopback networking scalability is ... transport method when an app establishes a plain loopback connection (as ... if the TCP loopback packet transport is too slow we should use the VFS ...
    (Linux-Kernel)
  • Re: linux bypass loopback - got to dead end
    ... > loopback, I mean that the packet will leave the linux on one interface ...
    (comp.os.linux.networking)
  • what is the meaning of "loopback" in there?
    ... The OUTPUT rule ... allows any packet to leave via the "loopback" device and the ... INPUT rule allows packets to re-enter via the "loopback". ...
    (comp.os.linux.networking)
  • IM driver and loopback
    ... I'd like to receive packet which is send inside MPSendlike loopback-ed ... because I see no received packets in Network Monitor. ... Is flags handling described above sufficient to loopback sent packet, ...
    (microsoft.public.development.device.drivers)
  • Re: LoopBack Interface
    ... OSPF because it is fundamental to setting up a stable OSPF routed ... if asked by a network designer. ... Does the Loopback Interface ... I think Walter understood "your" question much better you appear to. ...
    (comp.dcom.sys.cisco)