Re: [j-nsp] RED Drops with Qos

2009-12-22 Thread Li Zhu
Scott, I think the packet dropping is unavoidable, no matter how you configure RED. Most of the time, your TCP is in congestion avoidance state, it increases its transmission window size by one every RTT (round trip time). In other words, it will increase its transmission rate till congestion happ

Re: [j-nsp] question about policy-statement

2009-08-27 Thread Li Zhu
cols bgp | display inheritance > group MyGroup { >neighbor 10.0.0.1 { >## >## 'policy-2' was inherited from group 'groupB' >## 'policy-1' was inherited from group 'groupA' >## >import [ policy-3

[j-nsp] question about policy-statement

2009-08-26 Thread Li Zhu
All, In configuration below, groupA and groupB import policy-statement 1 and 2, respectively. So, what is the sequence of import policy neighbor 10.0.0.1 should go through? Should it be 1. policy-statement-3, then 2, then 1? or 2. policy-statement-3 only? or 3 something else? group MyGroup { a

Re: [j-nsp] Questions about count in firewall filter

2009-06-22 Thread Li Zhu
ftware to do ACL, it may achieve that > but I have no experience with that. > > On Fri, Jun 19, 2009 at 9:43 AM, Li Zhu wrote: > >> All, >> >> In the firewall filter, the counter can count number of packets match the >> term. In the simple firewall filter below,

[j-nsp] Questions about count in firewall filter

2009-06-18 Thread Li Zhu
All, In the firewall filter, the counter can count number of packets match the term. In the simple firewall filter below, the counter AF11_NUM and EF_NUM can count number packets with af11 and ef, respectively. My question is: can Cisco achieve similar goal? I know this may be a Cisco question, bu

Re: [j-nsp] MPLS EXP bit marking question

2009-06-07 Thread Li Zhu
Masood, Nugroho Thank you for the reply. I agree with both of you that rewrite takes effect on both inner and outer mpls label. My next question is: what if I want to mark inner and outer MPLS label differently? Say I want mark the inner exp with 5 and outer exp with 6? Is it possible to achieve t

[j-nsp] MPLS EXP bit marking question

2009-06-07 Thread Li Zhu
All, There is a network like CE --- PE --- P. The PE is M320. Traffic is from CE to P. The traffic out of CE is native IP, after it reaches and gets out PE (then to P), it is double-tagged with MPLS lable. There is a exp rewrite-rule applied on PE link to P router. My questions is will the rewrite