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**********************************************************************
DDN MGT Bulletin 83 DCA DDN Defense Communications System
3 Sept 91 Published by: DDN Network Info Center
(NIC@NIC.DDN.MIL) (800) 235-3155
DEFENSE DATA NETWORK
MANAGEMENT BULLETIN
The DDN MANAGEMENT BULLETIN is distributed online by the DDN Network
Information Center under DCA contract as a means of communicating
official policy, procedures and other information of concern to
management personnel at DDN facilities. Back issues may be read
through the TACNEWS server ("@n" command at the TAC) or may be
obtained by FTP (or Kermit) from the NIC.DDN.MIL host [192.67.67.20]
using login="anonymous" and password="guest". The pathname
for bulletins is DDN-NEWS:DDN-MGT-BULLETIN-nn.TXT (where "nn" is the
bulletin number).
**********************************************************************
DDN Mailbridge/Internet Routing Services
References:
A. DDN E MAIL MSG, MILNET NETWORK CHANGE DIRECTIVE
MS1-0158, 14 AUG 91
B. DISA/SERVICE/AGENCY MEETING, INTERNET ROUTER SERVICE SUBSCRIBER
REQUIREMENTS, 7 MAY 91
C. DISA(DCA) MSG, MILNET GATEWAY AND HOST REHOMING ASSIGNMENTS,
131811Z JUL 90
D. DISA(DCA) MSG, DEFENSE DATA NETWORK MAILBRIDGES/CORE GATEWAYS,
281648Z DEC 90
1. This message provides guidance and status information
concerning the Defense Data Network (DDN) Mailbridge (MB) and the
two functions which it fulfills: (1) Internet Routing Service
(IRS) using Exterior Gateway Protocol (EGP) and (2) DDN
connectivity to the non MILNET Internet, commonly referred to as
the NSFNET. Request widest dissemination. The following topics
will be addressed:
-- EGP Update Options (see also Para 8, below, for detailed
assignments).
-- Randolph Mailbridge Network Address Change Effective
9 Sep 91.
-- Non-compliance with Internet Control Message Protocol
(ICMP) Re-Direct Messages.
-- Planned Relocations for Mailbridges.
-- Planned NSFNET (Internet) Connection Changes.
-- Replacement System for MB/EGP Servers.
-- Detailed EGP Server Assignments.
2. EGP Update Options. MB software Patch 11, fully deployed as
of 30 Jul 91, provides the capability to restrict the EGP update
size by eliminating announcement of networks and gateways served
by the NSFNET and provides a default routing assignment (zero
default route) to reach those non-advertized networks. Due to the
update size exceeding 8K bytes and after consultation with
relevant gateway administrators and managers, the limited update
was activated at BMILBBN, BMILISI, BMILDCEC, and BMILOAK. Full
MILNET/NSFNET network update announcements continue to be provided
by BMILRAN, BMILAMES, and BMILMITRE at this time. See Ref A for
details. See Para 8, below, for specific assignments.
3. Randolph MB Network Address Change Effective 9 Sep 91. As a
result of the planned deactivation and removal of PSN 101 at
Randolph AFB TX on 9 Sep 91, it is necessary to re-home the MB to
node 51. The new network address is 26.1.0.51. All gateways
acquiring EGP updates from the MB at Randolph should change their
software accordingly. Use of BMILAMES (26.20.0.16) or BMILMITRE
(26.20.0.17) as a secondary source for full EGP updates, pending
required changes, may be used as an interim alternative. However,
strict compliance with the assignments detailed in Para 8, below,
is critical to overall operational effectiveness of the EGP
service.
4. Non Compliance with ICMP Re-Direct Messages. When the MB is
used as a default route to other addresses, the MB searches its
tables to see if a direct route is available. If so, the MB sends
a protocol message to the originating address of that packet
advising of the direct address. It is expected that properly
implemented Internet protocol software will respond to that re-
direct command for all subsequent packets destined for that
address. Many hosts/gateways are not responding to the re-direct
commands, which results in extraneous packets (i.e., packet plus
re-direct message plus retransmission for every packet) traversing
the network and poorer response to the user. This mis-use also
adds additional processing requirements to an already stressed MB.
In the future, chronic failure to respond to re-direct commands
will be brought to the attention of the parent service/agency for
corrective action. Continued non-compliance may result in denial
of re-direct service to the offending host/gateway with resultant
lost traffic.
5. Planned MB Relocations. As a result of MILNET re-designs
driven by changing requirements and funding cutbacks, the packet
switching nodes currently connecting BMILAMES (26.20.0.16),
BMILISI (26.6.0.103), and BMILMITRE (26.20.0.17) Mailbridges will
be deactivated and the Mailbridges re-homed. As soon as a firm
re-home location and schedule is determined, an announcement of
the new addresses will be provided.
6. Planned Changes to the MILNET/NSFNET Connections. In an
effort to provide more efficient and economical service to those
subscribers exchanging traffic between the MILNET and the NSFNET,
or non-DoD Internet, it is planned to provide this
interconnectivity via Internet protocol routers to be located at
Ft Detrick (for the fix-east connection) and at Oakland (Navy) CA
(for the fix-west connection). MILNET entry points for this
Internet traffic will be at one of eight IP router locations. This
change will off load this store and forward function from
BMILMITRE and BMILAMES Mailbridges and provide a more efficient
and economical exchange of MILNET/NSFNET traffic. Further
information and specific address assignments will be provided as
this plan matures. In the interim, Internet traffic should be
routed as specified in Ref C and DDN Management Bulletin 74.
7. Replacement System for MB/EGP Servers. As announced at Ref B, a
replacement system for Internet routing service is required because of
current Mailbridge hardware and software limitations in addition to
Exterior Gateway Protocol (EGP) limitations. A detailed plan
describing this replacement system, along with a schedule of events,
is being forwarded under separate cover to principal offices of the
Deparment of Defense Services and Agencies for review, comment, and
concurrence. The plan includes a migration from EGP to Border Gateway
Protocol (BGP) and replacement of the current Mailbridge hardware and
software within the next two years. EGP will be supported, at least
to some degree, until all gateways can convert to BGP. Status updates
and required modifications to subscriber gateways will be published as
needed.
8. Detailed EGP Server Assignments.
a. Strict compliance with the assignments enumerated below is
essential to providing adequate service to all users. Failure to
comply with these assignments could result in the denial of
Internet routing service updates and/or exchange of traffic with
the non DoD Internet. Refs C and D previously requested
assistance in this matter.
b. These EGP Server assignments supersede those provided by Ref C
and DDN Management Bulletin 74.
c. Air Force concentrators will continue to use either
BMILDCEC or BMILOAK as their EGP servers.
d. Internet traffic assignments will remain as assigned by
Ref C and DDN Management Bulletin 74 (see Para 6, above).
e. Host/Gateway Administrators should initiate compliance
with this message as soon as possible with complete compliance
prior to 30 Sep 91.
f. Questions or issues should be directed to the DDN
Monitoring Center Trouble Desks:
(1) CONUS: 1-800-451-7413 or (703) 486-1982 or
(DSN) 231-1787.
(2) Europe: (ETS) 430-5532 or (MIL) 2729-5532 or
(DSN) 314-430-5532 or (CIV) 011-49-680-5532
(3) Pacific: (808) 656-1472 or (DSN) 315-456-1472
g. The following network addresses apply:
Mailbridge Name Site Location Network Address
AMES Moffett Field CA 26.20.0.16
BBN Cambridge MA 26.20.0.72
DCEC Reston VA 26.21.0.104
ISI Marina Del Rey CA 26.6.0.103
MITRE McLean VA 26.20.0.17
OAK Oakland CA 26.1.0.148
RAN Randolph AFB TX 26.3.0.101 (until 9 sep 91)
RAN Randolph AFB TX 26.1.0.51 (after 9 sep 91)
h. Specific EGP assignments. Each gateway should acquire as
EGP peers (neighbors) only those two EGP servers assigned. Failure
to comply may result in erroneous/conflicting updates or
loss of capability to exchange traffic with both MILNET and non
DoD Internet gateways.
PSN PSN FULL UPDATE LIMITED UPDATE
Nbr Name PRIMARY SECONDARY PRIMARY SECONDARY
1 OBL MITRE RAN BBN ISI
2 VHN MITRE RAN BBN ISI
3 NOSC RAN AMES ISI BBN
4 HDL MITRE RAN BBN ISI
5 BRM MITRE RAN BBN ISI
6 RDM MITRE RAN BBN ISI
7 LON MITRE RAN BBN ISI
8 NRL MITRE RAN BBN ISI
9 SIG MITRE RAN BBN ISI
10 RTA MITRE RAN BBN ISI
11 CORON RAN AMES ISI BBN
12 VCA MITRE RAN BBN ISI
13 GUNTR RAN MITRE BBN ISI
14 LD2 AMES MITRE BBN ISI
15 RAM MITRE RAN BBN ISI
16 MFFT AMES RAN ISI BBN
17 MCLEN MITRE RAN BBN ISI
18 GRIFF MITRE RAN BBN ISI
19 GAITH MITRE RAN BBN ISI
20 HILL AMES RAN ISI BBN
22 MCCL1 AMES RAN ISI BBN
23 MCC2 AMES RAN ISI BBN
24 JOHNS MITRE RAN BBN ISI
25 CTN MITRE RAN BBN ISI
26 PENT MITRE RAN BBN ISI
28 ELF AMES RAN ISI BBN
29 ABER MITRE RAN BBN ISI
30 BROOK RAN AMES ISI BBN
31 NFLK2 MITRE RAN BBN ISI
32 GREEL AMES RAN ISI BBN
33 MONTY AMES RAN ISI BBN
35 SD2NS RAN AMES ISI BBN
36 BNT MITRE RAN BBN ISI
37 FTMCP MITRE RAN BBN ISI
38 NAVTN RAN MITRE BBN ISI
39 EDWDS AMES RAN ISI BBN
40 CAMB MITRE RAN BBN ISI
41 RED MITRE RAN BBN ISI
42 RM2 MITRE RAN BBN ISI
43 SHFT AMES RAN ISI BBN
44 ORLAN RAN AMES BBN ISI
45 DOVER MITRE RAN BBN ISI
46 NEME RAN AMES ISI BBN
47 WPAFB MITRE RAN BBN ISI
48 KIRK RAN AMES ISI BBN
49 CAMB2 MITRE RAN BBN ISI
50 ALEX MITRE RAN BBN ISI
51 RNDY2 RAN AMES ISI BBN
52 RNDY3 RAN MITRE ISI BBN
53 EGLIN MITRE RAN BBN ISI
54 DETRK MITRE RAN BBN ISI
55 ARGON RAN MITRE BBN ISI
56 LD1 MITRE RAN BBN ISI
57 MEADE MITRE RAN BBN ISI
58 NYC MITRE RAN BBN ISI
59 SCOTT MITRE RAN BBN ISI
60 FTMON MITRE RAN BBN ISI
61 STLS MITRE AMES BBN ISI
62 CPRBT RAN AMES ISI BBN
63 ELSE2 RAN AMES ISI BBN
64 ROBIN MITRE RAN BBN ISI
65 ELSEG RAN AMES ISI BBN
66 HANSC MITRE RAN BBN ISI
67 ANDRW MITRE RAN BBN ISI
69 FT2 MITRE RAN BBN ISI
70 DCA2 MITRE RAN BBN ISI
71 TINK RAN AMES ISI BBN
72 CAMB3 MITRE RAN BBN ISI
73 MENPK AMES RAN ISI BBN
74 WHTSN RAN AMES ISI BBN
75 YUMA RAN AMES ISI BBN
76 DCAOC MITRE RAN BBN ISI
77 ZAMA AMES RAN ISI BBN
78 PUGET AMES RAN ISI BBN
79 BENNI RAN MITRE BBN ISI
80 FTBRG RAN MITRE BBN ISI
81 CRDRK MITRE RAN BBN ISI
82 BUCK AMES RAN ISI BBN
83 ROB2 MITRE RAN BBN ISI
84 NSWC MITRE RAN BBN ISI
85 CHINA RAN AMES ISI BBN
86 LOW1 RAN AMES ISI BBN
87 KIRT2 AMES RAN ISI BBN
88 BETHS MITRE RAN BBN ISI
89 CLRK RAN AMES ISI BBN
90 ALAMO RAN AMES ISI BBN
91 CPO MITRE RAN BBN ISI
92 NWNSC MITRE RAN BBN ISI
93 KADE AMES RAN ISI BBN
94 LOW2 RAN AMES ISI BBN
96 CORO MITRE RAN BBN ISI
97 PXNAS MITRE RAN BBN ISI
98 MAC RAN AMES BBN ISI
99 HILL2 AMES RAN ISI BBN
100 HICK AMES RAN ISI BBN
102 WOSWC MITRE RAN BBN ISI
103 MRDEL RAN AMES ISI BBN
104 DC104 MITRE RAN BBN ISI
105 OFAFB RAN AMES ISI BBN
107 ALEX3 MITRE RAN BBN ISI
108 NFKNS MITRE RAN BBN ISI
109 NORL RAN AMES ISI BBN
110 JAX1 RAN AMES BBN ISI
111 DAVIS RAN AMES ISI BBN
112 STLA2 MITRE RAN BBN ISI
113 ANNIS MITRE RAN BBN ISI
114 NCAD MITRE RAN BBN ISI
115 WAREN MITRE RAN BBN ISI
116 FKT MITRE RAN BBN ISI
117 WLKR AMES RAN ISI BBN
118 SCOT2 MITRE RAN BBN ISI
119 SNV MITRE RAN BBN ISI
120 DUGWY AMES RAN ISI BBN
121 ALAME AMES RAN ISI BBN
122 FTHCA RAN AMES ISI BBN
123 WP2 MITRE RAN BBN ISI
124 WP3 MITRE RAN BBN ISI
125 FTLEV RAN AMES ISI BBN
126 MONT2 AMES RAN ISI BBN
127 HAN2 MITRE RAN BBN ISI
128 ONIZ AMES RAN ISI BBN
129 FTBEN MITRE RAN BBN ISI
130 FTDIX MITRE RAN BBN ISI
131 KNOX MITRE RAN BBN ISI
132 SILL RAN AMES ISI BBN
133 SIDIO AMES RAN ISI BBN
134 SHARP AMES RAN ISI BBN
135 FTORD AMES RAN ISI BBN
136 MIL MITRE RAN BBN ISI
137 SHEP RAN MITRE BBN ISI
138 LANGL MITRE RAN BBN ISI
139 KELLY RAN AMES ISI BBN
140 TINK2 RAN AMES ISI BBN
141 ANDR AMES RAN ISI BBN
142 FTBEL MITRE RAN BBN ISI
143 KEESL RAN AMES ISI BBN
144 OFTT2 RAN AMES ISI BBN
145 WHLR AMES RAN ISI BBN
146 MUN MITRE RAN BBN ISI
147 SAM1 RAN AMES ISI BBN
148 OAK AMES RAN ISI BBN
149 PHILI MITRE RAN BBN ISI
150 ANK MITRE RAN BBN ISI
151 DENVR RAN AMES ISI BBN
152 MECH MITRE RAN BBN ISI
153 ROCKI MITRE RAN BBN ISI
154 SAM2 RAN AMES ISI BBN
155 DB2 MITRE RAN BBN ISI
156 CLT MITRE RAN BBN ISI
157 SHERI MITRE RAN BBN ISI
158 COLA RAN AMES ISI BBN
159 LEWIS AMES RAN ISI BBN
160 BATTL RAN MITRE BBN ISI
161 NORL2 AMES RAN ISI BBN
162 CAMP MITRE RAN BBN ISI
163 FTHD RAN AMES ISI BBN
164 CORP RAN AMES ISI BBN
165 HEL MITRE RAN BBN ISI
166 BER MITRE RAN BBN ISI
167 NEWRK MITRE RAN BBN ISI
168 WAHI AMES RAN ISI BBN
170 EIELS AMES RAN ISI BBN
171 YONG AMES RAN ISI BBN
172 LITH MITRE RAN BBN ISI
173 PEAR AMES RAN ISI BBN
174 STI MITRE RAN BBN ISI
175 PND MITRE RAN BBN ISI
176 WPAF4 MITRE RAN BBN ISI
177 GRA MITRE RAN BBN ISI
179 KEYP AMES RAN ISI BBN
180 HL2 MITRE RAN BBN ISI
182 SCRMT AMES RAN ISI BBN
184 SEK MITRE RAN BBN ISI
185 STT MITRE RAN BBN ISI
186 WBN MITRE RAN BBN ISI
187 TKN MITRE RAN BBN ISI
188 WZG MITRE RAN BBN ISI
189 BIG MITRE RAN BBN ISI
190 HAN MITRE RAN BBN ISI
191 SEM MITRE RAN BBN ISI
192 INC MITRE RAN BBN ISI
193 LAH MITRE RAN BBN ISI
194 HLN MITRE RAN BBN ISI
195 TJN MITRE RAN BBN ISI
196 AVO MITRE RAN BBN ISI
197 RUCK RAN MITRE BBN ISI
198 LUKE AMES RAN ISI BBN
200 HOME RAN MITRE ISI BBN
203 PATR RAN MITRE BBN ISI
204 DOB MITRE RAN BBN ISI
205 STEW RAN MITRE BBN ISI
206 GORD RAN MITRE BBN ISI
208 POLK RAN MITRE BBN ISI
209 MEMPS RAN MITRE BBN ISI
210 BARKS RAN AMES ISI BBN
214 GRAND RAN MITRE BBN ISI
215 TOBY MITRE RAN BBN ISI
216 CHARL MITRE RAN BBN ISI
217 JACK MITRE RAN BBN ISI
218 FAIR AMES RAN ISI BBN
219 MALS RAN AMES ISI BBN
220 MCORD AMES RAN ISI BBN
221 KUNS AMES RAN ISI BBN
222 OSAN AMES RAN ISI BBN
223 YOKO AMES RAN ISI BBN
224 FTRIT MITRE RAN BBN ISI
226 NORTH AMES RAN ISI BBN
229 BLISS RAN AMES ISI BBN
230 MARCH RAN AMES ISI BBN
231 RILY RAN MITRE BBN ISI
232 BEN2 RAN MITRE BBN ISI
235 SEYMR MITRE RAN BBN ISI
236 KZG MITRE RAN BBN ISI
237 LACK RAN AMES ISI BBN
238 EUST MITRE RAN BBN ISI
241 MUGU RAN AMES ISI BBN
242 FTLE MITRE RAN BBN ISI
243 PETE RAN AMES ISI BBN
244 ABER2 MITRE RAN BBN ISI
246 FTRIC MITRE RAN BBN ISI
247 PENT2 MITRE RAN BBN ISI
248 BRATE MITRE RAN BBN ISI
249 WEST MITRE RAN BBN ISI
250 FINE AMES RAN ISI BBN
9. For further information, contact Mr Wayne Grindle, DISA Code
DOD, 703 692 6068 or DSN 222 6068.