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Re: mboned: Possible MSDP Storm


Chronological Thread 
  • From: "Marshall Eubanks" <>
  • To: , Marshall Eubanks <>
  • Cc: , <>
  • Subject: Re: mboned: Possible MSDP Storm
  • Date: Sat, 18 Oct 2003 08:31:21 -0400

Well, whatever is going on continues this morning.

It doesn't seem to be growing - and I note that AS109 is
Cisco Systems. So I suspect that this is either internal traffic
that is not being filtered, or some new application gone wild.

Regards
Marshall


Date of MBGP Dump Sat Oct 18 06:13:05 EDT 2003

There were 8188 SA-Cache Entries
There were 171 Duplicate S,G Entries
There were 4511 SA-Cache Groups
There were 1324 SA-Cache Sources
There were 254 SA-Cache RPs
There were 162 SA-Cache ASs

The Most Active Group is 224.0.1.76 with 120 members
The Most Active Source is 144.254.7.161 with 466 groups
The Most Active RP is 64.102.254.9 with 3022 entries
The Most Active AS is 109 with 5272 entries

There were 3275 Groups with only one Sender

First Octet Histogram

Octet 224 had 2238 entries or 49.61 %
Octet 225 had 23 entries or 0.51 %
Octet 226 had 22 entries or 0.49 %
Octet 227 had 15 entries or 0.33 %
Octet 228 had 22 entries or 0.49 %
Octet 229 had 29 entries or 0.64 %
Octet 230 had 11 entries or 0.24 %
Octet 231 had 10 entries or 0.22 %
Octet 233 had 1967 entries or 43.60 %
Octet 234 had 118 entries or 2.62 %
Octet 235 had 8 entries or 0.18 %
Octet 236 had 25 entries or 0.55 %
Octet 237 had 9 entries or 0.20 %
Octet 238 had 14 entries or 0.31 %




On Fri, 17 Oct 2003 22:58:42 -0700 (PDT)


wrote:
>
> Nice stats!!
>
> My vote is storm - AS109. Its sending SAs in mass outside its GLOP space.
>
> Greg
>
> On Fri, 17 Oct 2003, Marshall Eubanks wrote:
>
> > Hello;
> >
> > There seems to be either a lot of MSDP use or an MSDP storm
> > in progress. Since about 1800 EDT on Wednesday, the number
> > of MSDP sources has more than doubled.
> >
> > Before the storm
> >
> > Date of MBGP Dump Thu Oct 16 00:13:01 EDT 2003
> >
> > There were 4595 SA-Cache Entries
> > There were 107 Duplicate S,G Entries
> > There were 2739 SA-Cache Groups
> > There were 1421 SA-Cache Sources
> > There were 276 SA-Cache RPs
> > There were 166 SA-Cache ASs
> >
> > The Most Active Group is 224.0.1.76 with 121 members
> > The Most Active Source is 192.73.7.34 with 173 groups
> > The Most Active RP is 64.102.254.9 with 900 entries
> > The Most Active AS is 109 with 1544 entries
> >
> > There were 2387 Groups with only one Sender
> >
> > First Octet Histogram
> >
> > Octet 224 had 1360 entries or 49.65 %
> > Octet 225 had 22 entries or 0.80 %
> > Octet 226 had 15 entries or 0.55 %
> > Octet 227 had 80 entries or 2.92 %
> > Octet 228 had 110 entries or 4.02 %
> > Octet 229 had 69 entries or 2.52 %
> > Octet 230 had 7 entries or 0.26 %
> > Octet 231 had 7 entries or 0.26 %
> > Octet 233 had 959 entries or 35.01 %
> > Octet 234 had 65 entries or 2.37 %
> > Octet 235 had 8 entries or 0.29 %
> > Octet 236 had 15 entries or 0.55 %
> > Octet 237 had 7 entries or 0.26 %
> > Octet 238 had 15 entries or 0.55 %
> >
> > ------------------------
> > Now
> >
> > Date of MBGP Dump Fri Oct 17 18:13:02 EDT 2003
> >
> > There were 7240 SA-Cache Entries
> > There were 147 Duplicate S,G Entries
> > There were 4288 SA-Cache Groups
> > There were 1470 SA-Cache Sources
> > There were 271 SA-Cache RPs
> > There were 167 SA-Cache ASs
> >
> > The Most Active Group is 224.0.1.76 with 121 members
> > The Most Active Source is 144.254.7.161 with 377 groups
> > The Most Active RP is 64.102.254.9 with 2462 entries
> > The Most Active AS is 109 with 4147 entries
> >
> > There were 3207 Groups with only one Sender
> >
> > First Octet Histogram
> >
> > Octet 224 had 2114 entries or 49.30 %
> > Octet 225 had 21 entries or 0.49 %
> > Octet 226 had 20 entries or 0.47 %
> > Octet 227 had 11 entries or 0.26 %
> > Octet 228 had 10 entries or 0.23 %
> > Octet 229 had 128 entries or 2.99 %
> > Octet 230 had 7 entries or 0.16 %
> > Octet 231 had 38 entries or 0.89 %
> > Octet 233 had 1822 entries or 42.49 %
> > Octet 234 had 22 entries or 0.51 %
> > Octet 235 had 61 entries or 1.42 %
> > Octet 236 had 14 entries or 0.33 %
> > Octet 237 had 9 entries or 0.21 %
> > Octet 238 had 11 entries or 0.26 %
> >
> > Note the excess traffic is all in 224 and 233.
> >
> > Regards
> > Marshall
> > __________________________________________________________
> > web archive: http://darkwing.uoregon.edu/~llynch/mboned/
> >
>
> __________________________________________________________
> web archive: http://darkwing.uoregon.edu/~llynch/mboned/



  • Re: mboned: Possible MSDP Storm, Marshall Eubanks, 10/18/2003

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