H Hex Packet Decoder

11,289,410 packets decoded

192.168.0.30 → 224.0.0.2 HSRP Hello (state Active)

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
01	00	5E	00	00	02	00	00	0C	07	AC	01	08	00	45	C0	00	30	00	00	00	00	01	11	18	35	C0	A8	00	1E	E0	00
00	02	07	C1	07	C1	00	1C	2D	8D	00	00	10	03	0A	64	01	00	63	69	73	63	6F	00	00	00	C0	A8	00	01

4 protocols in packet (62 bytes):

Ethernet

IPv4

UDP

HSRP

Frame 1: 62 bytes on wire (496 bits)
- Section number: 1
- Interface id: 0 (Interface, hpd0)
  - Interface name: Interface, hpd0
- Encapsulation type: Ethernet (1)
- Arrival Time: Mar 10, 2026 15:35:42.000001000 CET
- UTC Arrival Time: Mar 10, 2026 14:35:42.000001000 UTC
- Epoch Arrival Time: 1773153342.000001000
- Time shift for this packet: 0.000000000 seconds
- Time delta from previous captured frame: 0.000000000 seconds
- Time delta from previous displayed frame: 0.000000000 seconds
- Time since reference or first frame: 0.000000000 seconds
- Frame Number: 1
- Frame Length: 62 bytes (496 bits)
- Capture Length: 62 bytes (496 bits)
- Frame is marked: False
- Frame is ignored: False
- Protocols in frame: eth:ethertype:ip:udp:hsrp
Ethernet II
- Destination: IPv4mcast_02 (01:00:5e:00:00:02)
  - .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
  - .... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
- Source: All-HSRP-routers_01 (00:00:0c:07:ac:01)
  - .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
  - .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
- Type: IPv4 (0x0800)
- Stream index: 0
Internet Protocol Version 4
- 0100 .... = Version: 4
- .... 0101 = Header Length: 20 bytes (5)
- Differentiated Services Field: 0xc0 (DSCP: CS6, ECN: Not-ECT)
  - 1100 00.. = Differentiated Services Codepoint: Class Selector 6 (48)
  - .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)
- Total Length: 48
- Identification: 0x0000 (0)
- 000. .... = Flags: 0x0
  - 0... .... = Reserved bit: Not set
  - .0.. .... = Don't fragment: Not set
  - ..0. .... = More fragments: Not set
- ...0 0000 0000 0000 = Fragment Offset: 0
- Time to Live: 1
- Protocol: UDP (17)
- Header Checksum: 0x1835 [correct]
- Header checksum status: Good
- Calculated Checksum: 0x1835
- Source Address: 192.168.0.30
- Destination Address: 224.0.0.2
- Stream index: 0
User Datagram Protocol
- Source Port: 1985
- Destination Port: 1985
- Length: 28
- Checksum: 0x2d8d [correct]
  - Calculated Checksum: 0x2d8d
- Checksum Status: Good
- Stream index: 0
- Stream Packet Number: 1
- Timestamps
  - Time since first frame: 0.000000000 seconds
  - Time since previous frame: 0.000000000 seconds
- UDP payload (20 bytes)
Cisco Hot Standby Router Protocol
- Version: 0
- Op Code: Hello (0)
- State: Active (16)
- Hellotime: Default (3)
- Holdtime: Default (10)
- Priority: 100
- Group: 1
- Reserved: 0
- Authentication Data: Default (cisco)
- Virtual IP Address: 192.168.0.1

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
01	00	5E	00	00	02	00	00	0C	07	AC	01	08	00	45	C0	00	30	00	00	00	00	01	11	18	35	C0	A8	00	1E	E0	00
00	02	07	C1	07	C1	00	1C	2D	8D	00	00	10	03	0A	64	01	00	63	69	73	63	6F	00	00	00	C0	A8	00	01

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
01	00	5E	00	00	02	00	00	0C	07	AC	01	08	00	45	C0	00	30	00	00	00	00	01	11	18	35	C0	A8	00	1E	E0	00
00	02	07	C1	07	C1	00	1C	2D	8D	00	00	10	03	0A	64	01	00	63	69	73	63	6F	00	00	00	C0	A8	00	01

0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
01	00	5E	00	00	02	00	00	0C	07	AC	01	08	00	45	C0	00	30	00	00	00	00	01	11	18	35	C0	A8	00	1E	E0	00
00	02	07	C1	07	C1	00	1C	2D	8D	00	00	10	03	0A	64	01	00	63	69	73	63	6F	00	00	00	C0	A8	00	01