RE: MLS Hello Multicast Messages [7:58869]
All here it is. You can only see the MLS packet when using an external MLS-RP. Every 14 secs approx (Cisco say 15 secs) Frame 2 (110 on wire, 110 captured) Arrival Time: Dec 12, 2002 11:12:48.700621000 Time delta from previous packet: 0.176623000 seconds Time relative to first packet: 0.176623000 seconds Frame Number: 2 Packet Length: 110 bytes Capture Length: 110 bytes IEEE 802.3 Ethernet Destination: 01:00:0c:dd:dd:dd (01:00:0c:dd:dd:dd) Source: 00:0a:8a:a8:e0:a2 (00:0a:8a:a8:e0:a2) Length: 96 Logical-Link Control DSAP: SNAP (0xaa) IG Bit: Individual SSAP: SNAP (0xaa) CR Bit: Command Control field: U, func = UI (0x03) 000. 00.. = Unnumbered Information ..11 = Unnumbered frame Organization Code: Cisco (0x0c) Protocol ID: 0x0105 Data (88 bytes) 01 01 00 58 04 03 0c 00 54 65 73 74 00 00 00 00 ...XTest 0010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0020 00 00 00 00 00 00 00 00 c0 a8 c4 11 00 0a 8a a8 0030 e0 a0 40 00 b2 37 9a ef 00 01 00 01 00 01 00 0e ..@..7.. 0040 00 0a 8a a8 e0 a2 20 00 00 02 00 06 00 0e 00 0a .. . 0050 8a a8 e0 a2 30 00 00 02 0... -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: 10 December 2002 16:36 To: [EMAIL PROTECTED] Subject: RE: MLS Hello Multicast Messages [7:58869] The strange this is, on the MSFC, if you type show mls status you get MLS global configuration status: global mls ip: enabled global mls ipx:enabled global mls ip multicast: disabled current ip flowmask for unicast: destination only current ipx flowmask for unicast: destination only And if you type show mls rp you get ip multilayer switching is globally disabled ipx multilayer switching is globally disabled ipx mls inbound acl override is globally disabled mls id is 0009.1233.cd80 mls ip address 0.0.0.0 mls ip flow mask is unknown mls ipx flow mask is unknown number of domains configured for mls 0 How strange? -Original Message- From: s vermill [mailto:[EMAIL PROTECTED]] Sent: 10 December 2002 15:49 To: [EMAIL PROTECTED] Subject: RE: MLS Hello Multicast Messages [7:58869] [EMAIL PROTECTED] wrote: All, The MLS-RP sends hello's to the CMGP mcast address every 15 secs. All downstream switches in the network recv these hello messages. I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by default. Are you sure that MLS is enabled by default? I fired up several new 6509s over the weekend and none had MLS enabled. every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I dont see it. Please help. Ken Farrington Global Networks, Barclays Capital, 5 The North Colonnade, Canary Wharf, London, E14 4BB * Tel : 020 7773 3550 * Mob : 07768-866655 * [EMAIL PROTECTED] -- -- For more information about Barclays Capital, please visit our web site at http://www.barcap.com. Internet communications are not secure and therefore the Barclays Group does not accept legal responsibility for the contents of this message. Although the Barclays Group operates anti-virus programmes, it does not accept responsibility for any damage whatsoever that is caused by viruses being passed. Any views or opinions presented are solely those of the author and do not necessarily represent those of the Barclays Group. Replies to this email may be monitored by the Barclays Group for operational or business reasons. -- -- Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59066t=58869 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
MLS Hello Multicast Messages [7:58869]
All, The MLS-RP sends hello's to the CMGP mcast address every 15 secs. All downstream switches in the network recv these hello messages. I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by default. Sniffing the trunk and i would expect to see an MLS hello packet every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I dont see it. Please help. Ken Farrington Global Networks, Barclays Capital, 5 The North Colonnade, Canary Wharf, London, E14 4BB * Tel : 020 7773 3550 * Mob : 07768-866655 * [EMAIL PROTECTED] For more information about Barclays Capital, please visit our web site at http://www.barcap.com. Internet communications are not secure and therefore the Barclays Group does not accept legal responsibility for the contents of this message. Although the Barclays Group operates anti-virus programmes, it does not accept responsibility for any damage whatsoever that is caused by viruses being passed. Any views or opinions presented are solely those of the author and do not necessarily represent those of the Barclays Group. Replies to this email may be monitored by the Barclays Group for operational or business reasons. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=58869t=58869 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: MLS Hello Multicast Messages [7:58869]
[EMAIL PROTECTED] wrote: All, The MLS-RP sends hello's to the CMGP mcast address every 15 secs. All downstream switches in the network recv these hello messages. I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by default. Are you sure that MLS is enabled by default? I fired up several new 6509s over the weekend and none had MLS enabled. every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I dont see it. Please help. Ken Farrington Global Networks, Barclays Capital, 5 The North Colonnade, Canary Wharf, London, E14 4BB * Tel : 020 7773 3550 * Mob : 07768-866655 * [EMAIL PROTECTED] For more information about Barclays Capital, please visit our web site at http://www.barcap.com. Internet communications are not secure and therefore the Barclays Group does not accept legal responsibility for the contents of this message. Although the Barclays Group operates anti-virus programmes, it does not accept responsibility for any damage whatsoever that is caused by viruses being passed. Any views or opinions presented are solely those of the author and do not necessarily represent those of the Barclays Group. Replies to this email may be monitored by the Barclays Group for operational or business reasons. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=58886t=58869 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: MLS Hello Multicast Messages [7:58869]
The strange this is, on the MSFC, if you type show mls status you get MLS global configuration status: global mls ip: enabled global mls ipx:enabled global mls ip multicast: disabled current ip flowmask for unicast: destination only current ipx flowmask for unicast: destination only And if you type show mls rp you get ip multilayer switching is globally disabled ipx multilayer switching is globally disabled ipx mls inbound acl override is globally disabled mls id is 0009.1233.cd80 mls ip address 0.0.0.0 mls ip flow mask is unknown mls ipx flow mask is unknown number of domains configured for mls 0 How strange? -Original Message- From: s vermill [mailto:[EMAIL PROTECTED]] Sent: 10 December 2002 15:49 To: [EMAIL PROTECTED] Subject: RE: MLS Hello Multicast Messages [7:58869] [EMAIL PROTECTED] wrote: All, The MLS-RP sends hello's to the CMGP mcast address every 15 secs. All downstream switches in the network recv these hello messages. I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by default. Are you sure that MLS is enabled by default? I fired up several new 6509s over the weekend and none had MLS enabled. every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I dont see it. Please help. Ken Farrington Global Networks, Barclays Capital, 5 The North Colonnade, Canary Wharf, London, E14 4BB * Tel : 020 7773 3550 * Mob : 07768-866655 * [EMAIL PROTECTED] -- -- For more information about Barclays Capital, please visit our web site at http://www.barcap.com. Internet communications are not secure and therefore the Barclays Group does not accept legal responsibility for the contents of this message. Although the Barclays Group operates anti-virus programmes, it does not accept responsibility for any damage whatsoever that is caused by viruses being passed. Any views or opinions presented are solely those of the author and do not necessarily represent those of the Barclays Group. Replies to this email may be monitored by the Barclays Group for operational or business reasons. -- -- Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=58897t=58869 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
