{0x01, 0x08, 0xc2, 0x00, 0x00, 0x00},
{0xff, 0xff, 0xff, 0xff, 0xff, 0xf0}},
+ { /* VRRP IPv4. */
+ {0x00, 0x00, 0x5e, 0x00, 0x01, 0x00},
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0x00}},
+
+ { /* VRRP IPv6. */
+ {0x00, 0x00, 0x5e, 0x00, 0x02, 0x00},
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0x00}},
+
+ { /* HSRPv1. */
+ {0x00, 0x00, 0x0c, 0x07, 0xac, 0x00},
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0x00}},
+
+ { /* HSRPv2. */
+ {0x00, 0x00, 0x0c, 0x9f, 0xf0, 0x00},
+ {0xff, 0xff, 0xff, 0xff, 0xf0, 0x00}},
+
+ { /* GLBP. */
+ {0x00, 0x07, 0xb4, 0x00, 0x00, 0x00},
+ {0xff, 0xff, 0xff, 0x00, 0x00, 0x00}},
+
+ { /* Extreme Discovery Protocol. */
+ {0x00, 0xE0, 0x2B, 0x00, 0x00, 0x00},
+ {0xff, 0xff, 0xff, 0xff, 0xf0, 0x00}},
+
{ /* Cisco Inter Switch Link. */
{0x01, 0x00, 0x0c, 0x00, 0x00, 0x00},
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}},
<dt><code>01:80:c2:00:00:0<var>x</var></code></dt>
<dd>Other reserved protocols.</dd>
+ <dt><code>00:00:5e:00:01:<var>x</var><var>x</var></code></dt>
+ <dd> VRRP IPv4 virtual router MAC address. </dd>
+
+ <dt><code>00:00:5e:00:02:<var>x</var><var>x</var></code></dt>
+ <dd> VRRP IPv6 virtual router MAC address. </dd>
+
+ <dt><code>00:00:0c:07:ac:<var>x</var><var>x</var></code></dt>
+ <dd> HSRP Version 1. </dd>
+
+ <dt><code>00:00:0c:9f:f<var>x</var>:<var>x</var><var>x</var></code>
+ </dt>
+ <dd> HSRP Version 2. </dd>
+
+ <dt><code>00:07:b4:<var>x</var><var>x</var>:<var>x</var><var>x</var>:<var>x</var><var>x</var></code></dt>
+ <dd> GLBP. </dd>
+
<dt><code>01:00:0c:cc:cc:cc</code></dt>
<dd>
Cisco Discovery Protocol (CDP), VLAN Trunking Protocol (VTP),