OpenSLP on the Network#

These traces were taken using tcpdump on the Linux server acting as an SLP Directory Agent (DA).

Restarting slpd:#

[root@ino0l999 root]# tcpdump -v port svrloc
tcpdump: listening on eth0
13:37:03.447041 ino0l999.svrloc > 10.130.38.250.42079: F [tcp sum ok] 3565936021:3565936021(0) ack 721243625 win 8576 <nop,nop,timestamp 424477397 571508424> (DF) (ttl 64, id 61386, len 52)
13:37:03.458776 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: S [tcp sum ok] 277161964:277161964(0) win 5840 <mss 1460,sackOK,timestamp 424477398 0,nop,wscale 0> (DF) (ttl 64, id 9530, len 60)
13:37:03.459127 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: S [tcp sum ok] 2987728787:2987728787(0) ack 277161965 win 6143 <mss 1460,wscale 0,nop,sackOK,nop,nop> (DF) (ttl 128, id 45887, len 52)
13:37:03.459178 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: . [tcp sum ok] ack 1 win 5840 (DF) (ttl 64, id 9531, len 40)
13:37:03.459220 ino0l999.44298 > 10.130.38.209.svrloc: S [tcp sum ok] 277421922:277421922(0) win 5840 <mss 1460,sackOK,timestamp 424477398 0,nop,wscale 0> (DF) (ttl 64, id 7604, len 60)
13:37:03.459429 ino0l999.33813 > 255.255.255.255.svrloc: udp 76 (DF) (ttl 64, id 0, len 104)
13:37:03.460104 10.130.38.209.svrloc > ino0l999.44298: S [tcp sum ok] 1295527665:1295527665(0) ack 277421923 win 6143 <mss 1460,wscale 0,nop,sackOK,nop,nop> (DF) (ttl 128, id 64610, len 52)
13:37:03.460120 ino0l999.44298 > 10.130.38.209.svrloc: . [tcp sum ok] ack 1 win 5840 (DF) (ttl 64, id 7605, len 40)
13:37:03.460211 ino0l999.43596 > 10.130.38.250.svrloc: P 3187982042:3187982108(66) ack 347947357 win 5840 <nop,nop,timestamp 424477398 571507781> (DF) (ttl 64, id 47402, len 118)
13:37:03.460250 ino0l999.44290 > 10.130.38.216.svrloc: P 4015294998:4015295064(66) ack 116759468 win 5840 (DF) (ttl 64, id 45477, len 106)
13:37:03.460271 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: P 1:67(66) ack 1 win 5840 (DF) (ttl 64, id 9532, len 106)
13:37:03.460291 ino0l999.44298 > 10.130.38.209.svrloc: P 1:67(66) ack 1 win 5840 (DF) (ttl 64, id 7606, len 106)
13:37:03.460404 10.130.38.250.svrloc > ino0l999.43596: P [tcp sum ok] 1:19(18) ack 66 win 16080 <nop,nop,timestamp 571519930 424477398> (DF) (ttl 64, id 28055, len 70)
13:37:03.460430 ino0l999.43596 > 10.130.38.250.svrloc: . [tcp sum ok] ack 19 win 5840 <nop,nop,timestamp 424477398 571519930> (DF) (ttl 64, id 47403, len 52)
13:37:03.460461 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: . [tcp sum ok] ack 67 win 6077 (DF) (ttl 128, id 46143, len 40)
13:37:03.460499 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: P [tcp sum ok] 1:19(18) ack 67 win 6077 (DF) (ttl 128, id 46399, len 58)
13:37:03.460505 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: . [tcp sum ok] ack 19 win 5840 (DF) (ttl 64, id 9533, len 40)
13:37:03.460894 10.130.38.209.svrloc > ino0l999.44298: P [tcp sum ok] 1:19(18) ack 67 win 6077 (DF) (ttl 128, id 64866, len 58)
13:37:03.460905 ino0l999.44298 > 10.130.38.209.svrloc: . [tcp sum ok] ack 19 win 5840 (DF) (ttl 64, id 7607, len 40)
13:37:03.461047 ino0l999.43596 > 10.130.38.250.svrloc: P 66:130(64) ack 19 win 5840 <nop,nop,timestamp 424477398 571519930> (DF) (ttl 64, id 47404, len 116)
13:37:03.461103 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: P 67:131(64) ack 19 win 5840 (DF) (ttl 64, id 9534, len 104)
13:37:03.461133 ino0l999.44298 > 10.130.38.209.svrloc: P 67:131(64) ack 19 win 5840 (DF) (ttl 64, id 7608, len 104)
13:37:03.461286 10.130.38.250.svrloc > ino0l999.43596: P [tcp sum ok] 19:37(18) ack 130 win 16080 <nop,nop,timestamp 571519930 424477398> (DF) (ttl 64, id 28056, len 70)
13:37:03.461291 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: . [tcp sum ok] ack 131 win 6013 (DF) (ttl 128, id 46655, len 40)
13:37:03.461302 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: P [tcp sum ok] 19:37(18) ack 131 win 6013 (DF) (ttl 128, id 46911, len 58)
13:37:03.461460 ino0l999.43596 > 10.130.38.250.svrloc: F [tcp sum ok] 130:130(0) ack 37 win 5840 <nop,nop,timestamp 424477398 571519930> (DF) (ttl 64, id 47405, len 52)
13:37:03.461538 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: F [tcp sum ok] 131:131(0) ack 37 win 5840 (DF) (ttl 64, id 9535, len 40)
13:37:03.461583 10.130.38.250.svrloc > ino0l999.43596: F [tcp sum ok] 37:37(0) ack 131 win 16080 <nop,nop,timestamp 571519930 424477398> (DF) (ttl 64, id 28057, len 52)
13:37:03.461642 ino0l999.43596 > 10.130.38.250.svrloc: . [tcp sum ok] ack 38 win 5840 <nop,nop,timestamp 424477399 571519930> (DF) (ttl 64, id 47406, len 52)
13:37:03.461631 10.130.38.209.svrloc > ino0l999.44298: P [tcp sum ok] 19:37(18) ack 131 win 6013 (DF) (ttl 128, id 65122, len 58)
13:37:03.461719 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.44297: FP [tcp sum ok] 37:37(0) ack 132 win 6012 (DF) (ttl 128, id 47167, len 40)
13:37:03.461740 ino0l999.44297 > cmhnd801.svr.[Directory-Info.com].net.svrloc: . [tcp sum ok] ack 38 win 5840 (DF) (ttl 64, id 9536, len 40)
13:37:03.461818 ino0l999.44298 > 10.130.38.209.svrloc: F [tcp sum ok] 131:131(0) ack 37 win 5840 (DF) (ttl 64, id 7609, len 40)
13:37:03.462023 10.130.38.209.svrloc > ino0l999.44298: FP [tcp sum ok] 37:37(0) ack 132 win 6012 (DF) (ttl 128, id 65378, len 40)
13:37:03.462046 ino0l999.44298 > 10.130.38.209.svrloc: . [tcp sum ok] ack 38 win 5840 (DF) (ttl 64, id 7610, len 40)
13:37:03.483066 10.130.38.250.42079 > ino0l999.svrloc: . [tcp sum ok] ack 1 win 5840 <nop,nop,timestamp 571519933 424477397> (DF) (ttl 64, id 29563, len 52)
13:37:03.662007 ino0l999.44290 > 10.130.38.216.svrloc: P 0:66(66) ack 1 win 5840 (DF) (ttl 64, id 45478, len 106)
13:37:04.081924 ino0l999.44290 > 10.130.38.216.svrloc: P 0:66(66) ack 1 win 5840 (DF) (ttl 64, id 45479, len 106)
13:37:04.921855 ino0l999.44290 > 10.130.38.216.svrloc: P 0:66(66) ack 1 win 5840 (DF) (ttl 64, id 45480, len 106)
13:37:06.601896 ino0l999.44290 > 10.130.38.216.svrloc: P 0:66(66) ack 1 win 5840 (DF) (ttl 64, id 45481, len 106)
13:37:07.637102 ino0l999.44290 > 10.130.38.216.svrloc: F [tcp sum ok] 66:66(0) ack 1 win 5840 (DF) (ttl 64, id 45482, len 40)
13:37:08.445864 ino0l999.44305 > 10.130.38.250.svrloc: S [tcp sum ok] 284240523:284240523(0) win 5840 <mss 1460,sackOK,timestamp 424477897 0,nop,wscale 0> (DF) (ttl 64, id 11842, len 60)
13:37:08.446088 10.130.38.250.svrloc > ino0l999.44305: S [tcp sum ok] 1758505300:1758505300(0) ack 284240524 win 5792 <mss 1460,sackOK,timestamp 571520424 424477897,nop,wscale 0> (DF) (ttl 64, id 0, len 60)
13:37:08.446185 ino0l999.44305 > 10.130.38.250.svrloc: . [tcp sum ok] ack 1 win 5840 <nop,nop,timestamp 424477897 571520424> (DF) (ttl 64, id 11843, len 52)
13:37:08.447336 ino0l999.33813 > 255.255.255.255.svrloc: [udp sum ok] udp 49 (DF) (ttl 64, id 0, len 77)
13:37:08.448048 cmhnd801.svr.[Directory-Info.com].net.svrloc > ino0l999.33813: [no cksum] udp 89 (ttl 128, id 55359, len 117)
13:37:08.448052 10.130.38.250.svrloc > ino0l999.33813: udp 76 (DF) (ttl 64, id 3, len 104)
13:37:08.448054 10.130.38.250.svrloc > ino0l999.33813: udp 76 (DF) (ttl 64, id 4, len 104)
13:37:08.448060 10.130.38.209.svrloc > ino0l999.33813: [no cksum] udp 77 (ttl 128, id 867, len 105)
13:37:08.451926 10.130.38.216.svrloc > ino0l999.44290: . [tcp sum ok] ack 66 win 8997 (DF) (ttl 128, id 24582, len 40)
13:37:08.451931 10.130.38.216.svrloc > ino0l999.44290: P [tcp sum ok] 1:19(18) ack 66 win 8997 (DF) (ttl 128, id 24838, len 58)
13:37:08.452132 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31912, len 40)
13:37:08.451935 10.130.38.216.svrloc > ino0l999.44290: . [tcp sum ok] ack 66 win 8997 (DF) (ttl 128, id 25094, len 40)
13:37:08.452176 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31913, len 40)
13:37:08.451939 10.130.38.216.svrloc > ino0l999.44290: P [tcp sum ok] 1:19(18) ack 66 win 8997 (DF) (ttl 128, id 25350, len 58)
13:37:08.452197 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31914, len 40)
13:37:08.451943 10.130.38.216.svrloc > ino0l999.44290: . [tcp sum ok] ack 66 win 8997 (DF) (ttl 128, id 25606, len 40)
13:37:08.452213 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31915, len 40)
13:37:08.451946 10.130.38.216.svrloc > ino0l999.44290: P [tcp sum ok] 1:19(18) ack 66 win 8997 (DF) (ttl 128, id 25862, len 58)
13:37:08.452225 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31916, len 40)
13:37:08.451949 10.130.38.216.svrloc > ino0l999.44290: . [tcp sum ok] ack 66 win 8997 (DF) (ttl 128, id 26118, len 40)
13:37:08.452240 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31917, len 40)
13:37:08.451951 10.130.38.216.svrloc > ino0l999.44290: P [tcp sum ok] 1:19(18) ack 66 win 8997 (DF) (ttl 128, id 26374, len 58)
13:37:08.452253 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31918, len 40)
13:37:08.451954 10.130.38.216.svrloc > ino0l999.44290: . [tcp sum ok] ack 66 win 8997 (DF) (ttl 128, id 26630, len 40)
13:37:08.452265 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295064:4015295064(0) win 0 (DF) (ttl 64, id 31919, len 40)
13:37:08.451957 10.130.38.216.svrloc > ino0l999.44290: FP [tcp sum ok] 19:19(0) ack 67 win 8996 (DF) (ttl 128, id 26886, len 40)
13:37:08.452276 ino0l999.44290 > 10.130.38.216.svrloc: R [tcp sum ok] 4015295065:4015295065(0) win 0 (DF) (ttl 64, id 31920, len 40)
13:37:08.451958 10.130.38.216.svrloc > ino0l999.33813: [no cksum] udp 100 (ttl 128, id 27142, len 128)
13:37:08.454126 ino0l999.44305 > 10.130.38.250.svrloc: P 1:50(49) ack 1 win 5840 <nop,nop,timestamp 424477898 571520424> (DF) (ttl 64, id 11844, len 101)
13:37:08.454443 10.130.38.250.svrloc > ino0l999.44305: . [tcp sum ok] ack 50 win 5792 <nop,nop,timestamp 571520425 424477898> (DF) (ttl 64, id 7421, len 52)
13:37:08.454452 10.130.38.250.svrloc > ino0l999.44305: P 1:77(76) ack 50 win 5792 <nop,nop,timestamp 571520425 424477898> (DF) (ttl 64, id 7422, len 128)
13:37:08.454521 ino0l999.44305 > 10.130.38.250.svrloc: . [tcp sum ok] ack 77 win 5840 <nop,nop,timestamp 424477898 571520425> (DF) (ttl 64, id 11845, len 52)

Shutting down a service#

Here is the exchange when a remote instance of eDirectory deregisters with this instance of slpd:
13:42:00.286542 10.129.110.80.37376 > ino0l999.svrloc: [udp sum ok] udp 45 (DF) (ttl 251, id 14175, len 73)
13:42:00.287002 ino0l999.svrloc > 10.129.110.80.37376: [udp sum ok] udp 14 (DF) (ttl 64, id 3, len 42)

Starting a service#

Here is the exchange when a remote instance of eDirectory registers with this instance of slpd:
13:43:41.015142 10.129.110.80.37382 > ino0l999.svrloc: udp 326 (DF) (ttl 251, id 14176, len 354)
13:43:41.015566 ino0l999.svrloc > 10.129.110.80.37382: [udp sum ok] udp 14 (DF) (ttl 64, id 4, len 42)
13:43:41.044752 10.129.110.80.37384 > ino0l999.svrloc: udp 275 (DF) (ttl 251, id 14177, len 303)
13:43:41.044938 ino0l999.svrloc > 10.129.110.80.37384: [udp sum ok] udp 14 (DF) (ttl 64, id 5, len 42)
13:43:41.063995 10.129.110.80.37386 > ino0l999.svrloc: udp 292 (DF) (ttl 251, id 14178, len 320)
13:43:41.064188 ino0l999.svrloc > 10.129.110.80.37386: [udp sum ok] udp 14 (DF) (ttl 64, id 6, len 42)

UA query#

Here is a query from an SLP UA for a particular service type:
13:44:50.117764 10.129.110.80.37388 > ino0l999.svrloc: [udp sum ok] udp 36 (DF) (ttl 251, id 14179, len 64)
13:44:50.118594 ino0l999.svrloc > 10.129.110.80.37388: udp 120 (DF) (ttl 64, id 7, len 148)

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« This page (revision-1) was last changed on 24-May-2008 13:26 by UnknownAuthor